Royal Blue

HEX: #4169E1 | Modern Palette

On White
4.85:1
PASS
On Black
4.33:1
FAIL

Color Specifications

HEX
#4169E1
RGB
65, 105, 225
HSL
225°, 71% ,88%
CMYK
71.11, 53.33, 0, 11.76

About Royal Blue

Royal Blue (#4169E1) is a color with RGB(65, 105, 225) and HSL(225°, 71.11%, 88.24%). It is commonly associated with Playful moods. In design, it fits Cool styles and is suitable for Text, Button, Background. Its complementary color is #E1B941, which creates strong contrast. Its triadic palette includes #E14169 and #69E141. The name comes from Royal Blue (English).

  • HEX: #4169E1
  • RGB: 65, 105, 225
  • HSL: 225°, 71.11%, 88.24%
  • Mood: Playful
  • Style: Cool
  • Use case: Text, Button, Background
  • Complementary color: #E1B941
  • Triadic colors: #E14169, #69E141
  • The name comes from Royal Blue (English).

Live Components

LIGHT
DARK
System Notification Box

Color Palettes

Royal Blue #4169E1 is used in Monochromatic, Neutral + Accent, Analogous, 3 + 1 + 1 palettes, giving designers ready-made combinations for backgrounds, surfaces, accents, and interface elements.

Monochromatic Five tones of the same hue — a reliable scale for backgrounds, surfaces, and text.
 
 
ROYAL BLUE
 
 
Neutral + Accent Four near-neutral tones grounded by a saturated accent — clean and versatile for UI.
 
 
ROYAL BLUE
 
 
Analogous Five hues drifting across a 60° arc — naturally harmonious and pleasing to the eye.
 
 
ROYAL BLUE
 
 
3 + 1 + 1 Three analogous base colors, one complementary accent, one dark anchor — bold yet balanced.
 
 
 
 
 

Color Harmonies

Royal Blue #4169E1 pairs with #E1B941 as its complementary color, and #E14169 and #69E141 in triadic combinations. These harmony relationships help create balanced color combinations for UI, branding, and design work.

Complementary

The color directly opposite on the color wheel — creates maximum contrast and vibrance.

ROYAL BLUE
Analogous

Colors adjacent on the wheel — naturally harmonious and pleasing to the eye.

ROYAL BLUE
Triadic

Three colors equally spaced 120° apart — bold, balanced, and visually rich.

ROYAL BLUE
Split-Complementary

Two colors flanking the complement — high contrast with less tension than full complementary.

ROYAL BLUE
Tetradic (Square)

Four colors at 90° intervals — rich variety, best when one color dominates.

ROYAL BLUE
Monochromatic

Shades and tints of the same hue — cohesive, elegant, and easy to work with.

ROYAL BLUE

Shades & Tints

The shade and tint range for Royal Blue #4169E1 moves from dark #030816 tones through the base color to lighter #E9EEFC tones, making it useful for depth, hierarchy, and background variation.

ROYAL BLUE

Color Characteristics

Mood
Playful
Style
Cool
Use case
Text Button Background

Accessibility Simulation

Deuteranopia #5F5FE1
Protanopia #6666E1
Tritanopia #008181
Achromatopsia #717171

Frequently Asked Questions

Royal Blue (#4169E1) is a color with RGB(65, 105, 225) and HSL(225°, 71.11%, 88.24%).

#4169E1 pairs strongly with #E1B941 as its complementary color. It can also be used with neutral tones for balanced UI and design layouts.

#4169E1 is suitable for Text, Button, Background and works well with Cool styles.

#4169E1 is commonly associated with Playful.

The name Royal Blue is linked to Royal Blue from English, meaning A deep, vivid shade of blue, historically associated with royalty..

Name, History & Etymology

Origin Word Royal Blue
Meaning A deep, vivid shade of blue, historically associated with royalty.
Language English
First Recorded Use Late 18th Century

History

The term 'royal blue' is believed to have originated in England. One popular theory attributes its naming to a competition held by clothiers in Somerset to make a dress for Queen Charlotte (wife of King George III). The winning shade was then named 'royal blue'. Another theory suggests it simply became associated with the color often worn by royalty or used in royal regalia. Over time, the specific shade has varied slightly, but it consistently refers to a rich, deep blue. It became particularly popular in the 19th and 20th centuries in fashion, uniforms, and flags.

First Recorded Use

The exact first use is debated, but it gained prominence in the late 18th century, possibly in connection with Queen Charlotte of the United Kingdom.

Cultural Associations

Often associated with dignity, authority, and elegance. Widely used in heraldry and vexillology (the study of flags) to represent loyalty, truth, and strength. A common color for school uniforms and sports teams, conveying a sense of unity and tradition. In some cultures, blue is seen as a protective color or one that brings good luck.

Similar Named Colors
Han Blue #446CCF ΔE 2.49
Ultramarine Blue #4166F5 ΔE 2.79
Brandeis Blue #0070FF ΔE 4.75
Blue (Crayola) #1F75FE ΔE 5.77

Code Snippets

/* Background */
.element {
    background-color: #4169E1;
}

/* Text */
.element {
    color: #4169E1;
}

/* Border */
.element {
    border: 1px solid #4169E1;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #4169E1,
        #F6ECCC
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #4169E1,
        #F6ECCC
    );
}

// SCSS variable
$royal-blue: #4169E1;

// With RGB channels (useful for rgba() usage)
$royal-blue-r: 65;
$royal-blue-g: 105;
$royal-blue-b: 225;

// Usage
.element {
    background-color: $royal-blue;
    color: rgba($royal-blue-r, $royal-blue-g, $royal-blue-b, 0.8);
}