#2428A6#2428A6

#2428A6 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.8% C 0.194 H 271.0°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#2428A6
RGB	rgb(36, 40, 166)
HSL	hsl(238, 64%, 40%)
HSV	hsv(238, 78%, 65%)
CMYK	cmyk(78.3%, 75.9%, 0%, 34.9%)
CIE-LAB	lab(25.70, 42.69, -67.07)
CIE-LCH	lch(25.70, 79.50, 302.48°)
OKLab	oklab(37.76% 0.0034 -0.1942)
OKLCH	oklch(37.76% 0.194 271)
XYZ	xyz(8.3669, 4.6449, 36.5246)
Luminance	0.0465 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2428A6 #A6A224

analogous

#2469A6 #2428A6 #6124A6

triadic

#2428A6 #A62428 #28A624

tetradic

#2428A6 #A62469 #A6A224 #24A661

square

#2428A6 #A62469 #A6A224 #24A661

split-complementary

#2428A6 #A66124 #69A624

monochromatic

#0E1041 #191C74 #2428A6 #3439D3 #666ADE

Accessibility & contrast

On white

10.89

#2428A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#2428A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2428A6

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2428A6	#FFFFFF	#000000	##FFFFFF
##2428A6	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043AA

Deuteranopia (green-blind)

#0036A4

Tritanopia (blue-blind)

#004D65

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2428a6;
/* rgb */ color: rgb(36, 40, 166);
/* oklch */ color: oklch(37.8% 0.194 271.0);

Tailwind

colors: {
  custom: {
    50: '#7664c2',
    500: '#2428a6',
    950: '#000000',
  },
}

SCSS

$custom: #2428a6;
$custom-light: #7664c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2428a6",
  "rgb": {
    "r": 36,
    "g": 40,
    "b": 166
  },
  "hsl": {
    "h": 238.154,
    "s": 64.356,
    "l": 39.608
  },
  "oklch": {
    "l": 0.37756,
    "c": 0.19424,
    "h": 271
  },
  "luminance": 0.04646
}

Semantic roles & 50–950 ramp

primary

#2428A6

secondary

#C4C162

accent

#E240E7

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0513

muted

#7C7A82

Preview Lab

Preview with #2428A6

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →