Blue (pigment)

HEX: #333399 | Modern Palette

On White
10.12:1
PASS
On Black
2.07:1
FAIL

Color Specifications

HEX
#333399
RGB
51, 51, 153
HSL
240°, 66% ,60%
CMYK
66.67, 66.67, 0, 40

About Blue (pigment)

Blue (pigment) (#333399) is a color with RGB(51, 51, 153) and HSL(240°, 66.67%, 60%). It is commonly associated with Playful moods. In design, it fits Cool styles and is suitable for Text, Button, Accent. Its complementary color is #999933, which creates strong contrast. Its triadic palette includes #993333 and #339933.

  • HEX: #333399
  • RGB: 51, 51, 153
  • HSL: 240°, 66.67%, 60%
  • Mood: Playful
  • Style: Cool
  • Use case: Text, Button, Accent
  • Complementary color: #999933
  • Triadic colors: #993333, #339933

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 #333399 from deepest shade to lightest tint.

Color Characteristics

Mood
Playful
Style
Cool
Use case
Text Button Accent

Accessibility Simulation

Deuteranopia #333399
Protanopia #333399
Tritanopia #004A4A
Achromatopsia #424242

Frequently Asked Questions

Blue (pigment) (#333399) is a color with RGB(51, 51, 153) and HSL(240°, 66.67%, 60%).

#333399 pairs strongly with #999933 as its complementary color. It can also be used with neutral tones for balanced UI and design layouts.

#333399 is suitable for Text, Button, Accent and works well with Cool styles.

#333399 is commonly associated with Playful.

Similar Named Colors
Egyptian Blue #1034A6 ΔE 3.43
International Klein Blue #002FA7 ΔE 3.77
UA Blue #0033AA ΔE 3.96
Smalt #003399 ΔE 4.16

Code Snippets

/* Background */
.element {
    background-color: #333399;
}

/* Text */
.element {
    color: #333399;
}

/* Border */
.element {
    border: 1px solid #333399;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #333399,
        #DDDD55
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #333399,
        #DDDD55
    );
}

// SCSS variable
$blue-(pigment): #333399;

// With RGB channels (useful for rgba() usage)
$blue-(pigment)-r: 51;
$blue-(pigment)-g: 51;
$blue-(pigment)-b: 153;

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