#424C81#424C81

#424C81 is a dark, moderate blue. Relative luminance 0.079; OKLCH L 43.4% C 0.088 H 274.1°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#424C81
RGB	rgb(66, 76, 129)
HSL	hsl(230, 32%, 38%)
HSV	hsv(230, 49%, 51%)
CMYK	cmyk(48.8%, 41.1%, 0%, 49.4%)
CIE-LAB	lab(33.80, 11.48, -31.19)
CIE-LCH	lch(33.80, 33.24, 290.21°)
OKLab	oklab(43.35% 0.0063 -0.0881)
OKLCH	oklch(43.35% 0.088 274.1)
XYZ	xyz(8.7924, 7.9116, 21.8284)
Luminance	0.0791 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424C81 #817742

analogous

#426B81 #424C81 #574281

triadic

#424C81 #81424C #4C8142

tetradic

#424C81 #81426B #817742 #428157

square

#424C81 #81426B #817742 #428157

split-complementary

#424C81 #815742 #6B8142

monochromatic

#191C30 #2D3459 #424C81 #5764A9 #8089BE

Accessibility & contrast

On white

8.13

#424C81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#424C81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424C81

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424C81	#FFFFFF	#000000	##FFFFFF
##424C81	1.00	8.13	2.58	8.13
#FFFFFF	8.13	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#385283

Deuteranopia (green-blind)

#324D80

Tritanopia (blue-blind)

#2A5760

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #424c81;
/* rgb */ color: rgb(66, 76, 129);
/* oklch */ color: oklch(43.4% 0.088 274.1);

Tailwind

colors: {
  custom: {
    50: '#7a7da6',
    500: '#424c81',
    950: '#000000',
  },
}

SCSS

$custom: #424c81;
$custom-light: #7a7da6;
$custom-dark: #000000;

JSON

{
  "hex": "#424c81",
  "rgb": {
    "r": 66,
    "g": 76,
    "b": 129
  },
  "hsl": {
    "h": 230.476,
    "s": 32.308,
    "l": 38.235
  },
  "oklch": {
    "l": 0.43354,
    "c": 0.08834,
    "h": 274.1
  },
  "luminance": 0.07912
}

Semantic roles & 50–950 ramp

primary

#424C81

secondary

#A9A176

accent

#B85FC8

background

#F7F7FA

surface

#EEEEF4

border

#C9C9CE

text

#09090F

muted

#7B7B7F

Preview Lab

Preview with #424C81

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

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