Cerulean

HEX: #007BA7 | Modern Palette

On White
4.78:1
PASS
On Black
4.39:1
FAIL

Color Specifications

HEX
#007BA7
RGB
0, 123, 167
HSL
195°, 100% ,65%
CMYK
100, 26.35, 0, 34.51

About Cerulean

Cerulean (#007BA7) is a color with RGB(0, 123, 167) and HSL(195.81°, 100%, 65.49%). It is commonly associated with Bold, Playful moods. In design, it fits Vivid, Neon styles and is suitable for Text, Button, Accent. Its complementary color is #A72C00, which creates strong contrast. Its triadic palette includes #A7007B and #7BA700. The name comes from caeruleus (Latin).

  • HEX: #007BA7
  • RGB: 0, 123, 167
  • HSL: 195.81°, 100%, 65.49%
  • Mood: Bold, Playful
  • Style: Vivid, Neon
  • Use case: Text, Button, Accent
  • Complementary color: #A72C00
  • Triadic colors: #A7007B, #7BA700
  • The name comes from caeruleus (Latin).

Live Components

LIGHT
DARK
System Notification Box

Color Palettes

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

Color Harmonies

Complementary

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

Analogous

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

Triadic

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

Split-Complementary

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

Tetradic (Square)

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

Monochromatic

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

Shades & Tints

A seamless scale of #007BA7 from deepest shade to lightest tint.

Color Characteristics

Mood
Bold Playful
Style
Vivid Neon
Use case
Text Button Accent

Accessibility Simulation

Deuteranopia #6969A8
Protanopia #7575A7
Tritanopia #008282
Achromatopsia #727272

Frequently Asked Questions

Cerulean (#007BA7) is a color with RGB(0, 123, 167) and HSL(195.81°, 100%, 65.49%).

#007BA7 pairs strongly with #A72C00 as its complementary color. It can also be used with neutral tones for balanced UI and design layouts.

#007BA7 is suitable for Text, Button, Accent and works well with Vivid, Neon styles.

#007BA7 is commonly associated with Bold, Playful.

The name Cerulean is linked to caeruleus from Latin, meaning dark blue, blue, blue-green.

Name, History & Etymology

Origin Word caeruleus
Meaning dark blue, blue, blue-green
Language Latin
First Recorded Use 17th Century

History

The Latin word 'caeruleus' itself has an interesting etymology, possibly related to 'caelum' (sky, heaven) or 'cera' (wax, referring to the color of beeswax, though this is less likely for the blue meaning). In English, 'cerulean' emerged as a more poetic and specific term for a sky-blue color, distinguishing itself from more general terms like 'blue'. Its usage has often been associated with descriptions of clear skies, deep oceans, and artistic depictions of such. It gained more prominence in literature and art as a precise descriptor for a particular shade of blue.

First Recorded Use

The first recorded use of 'cerulean' in English was in 1656.

Cultural Associations

Cerulean blue is often associated with tranquility, peace, and the vastness of the sky or ocean. In art, it's a popular pigment for landscapes and seascapes. The color gained a notable, albeit humorous, pop culture reference in the movie 'The Devil Wears Prada,' where a monologue highlights how high fashion trends, even seemingly obscure colors like 'cerulean,' trickle down into everyday wear. This scene inadvertently brought the specific shade into wider public consciousness.

Similar Named Colors

CG Blue #007AA5 ΔE 0.46
Star Command Blue #007BB8 ΔE 4.47
Blue (NCS) #0087BD ΔE 5.13
Sea Blue #006994 ΔE 6.59

Code Snippets

/* Background */
.element {
    background-color: #007BA7;
}

/* Text */
.element {
    color: #007BA7;
}

/* Border */
.element {
    border: 1px solid #007BA7;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #007BA7,
        #FF7D4F
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #007BA7,
        #FF7D4F
    );
}

// SCSS variable
$cerulean: #007BA7;

// With RGB channels (useful for rgba() usage)
$cerulean-r: 0;
$cerulean-g: 123;
$cerulean-b: 167;

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