#424C77#424C77

#424C77 is a dark, moderate blue. Relative luminance 0.077; OKLCH L 42.8% C 0.073 H 273.0°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#424C77
RGB	rgb(66, 76, 119)
HSL	hsl(229, 29%, 36%)
HSV	hsv(229, 45%, 47%)
CMYK	cmyk(44.5%, 36.1%, 0%, 53.3%)
CIE-LAB	lab(33.26, 8.24, -25.83)
CIE-LCH	lch(33.26, 27.12, 287.69°)
OKLab	oklab(42.77% 0.0038 -0.0725)
OKLCH	oklch(42.77% 0.073 273)
XYZ	xyz(8.1600, 7.6586, 18.4975)
Luminance	0.0766 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424C77 #776D42

analogous

#426777 #424C77 #534277

triadic

#424C77 #77424C #4C7742

tetradic

#424C77 #774267 #776D42 #427753

square

#424C77 #774267 #776D42 #427753

split-complementary

#424C77 #775342 #677742

monochromatic

#161A28 #2C3350 #424C77 #58659E #7D88B7

Accessibility & contrast

On white

8.29

#424C77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#424C77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424C77

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424C77	#FFFFFF	#000000	##FFFFFF
##424C77	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D5179

Deuteranopia (green-blind)

#384C76

Tritanopia (blue-blind)

#30555C

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #424c77;
/* rgb */ color: rgb(66, 76, 119);
/* oklch */ color: oklch(42.8% 0.073 273.0);

Tailwind

colors: {
  custom: {
    50: '#797d9e',
    500: '#424c77',
    950: '#000000',
  },
}

SCSS

$custom: #424c77;
$custom-light: #797d9e;
$custom-dark: #000000;

JSON

{
  "hex": "#424c77",
  "rgb": {
    "r": 66,
    "g": 76,
    "b": 119
  },
  "hsl": {
    "h": 228.679,
    "s": 28.649,
    "l": 36.275
  },
  "oklch": {
    "l": 0.42765,
    "c": 0.07261,
    "h": 273
  },
  "luminance": 0.07659
}

Semantic roles & 50–950 ramp

primary

#424C77

secondary

#A29973

accent

#B263C5

background

#F7F7F9

surface

#EDEEF2

border

#C8C9CC

text

#09090E

muted

#7B7B7E

Preview Lab

Preview with #424C77

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

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