#424B77#424B77

#424B77 is a dark, moderate blue. Relative luminance 0.075; OKLCH L 42.5% C 0.074 H 274.1°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#424B77
RGB	rgb(66, 75, 119)
HSL	hsl(230, 29%, 36%)
HSV	hsv(230, 45%, 47%)
CMYK	cmyk(44.5%, 37%, 0%, 53.3%)
CIE-LAB	lab(32.97, 8.89, -26.30)
CIE-LCH	lch(32.97, 27.76, 288.68°)
OKLab	oklab(42.54% 0.0052 -0.0739)
OKLCH	oklch(42.54% 0.074 274.1)
XYZ	xyz(8.0916, 7.5219, 18.4747)
Luminance	0.0752 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424B77 #776E42

analogous

#426677 #424B77 #544277

triadic

#424B77 #77424B #4B7742

tetradic

#424B77 #774266 #776E42 #427754

square

#424B77 #774266 #776E42 #427754

split-complementary

#424B77 #775442 #667742

monochromatic

#161928 #2C3250 #424B77 #58649E #7D87B7

Accessibility & contrast

On white

8.39

#424B77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#424B77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424B77

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424B77	#FFFFFF	#000000	##FFFFFF
##424B77	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C5079

Deuteranopia (green-blind)

#374C76

Tritanopia (blue-blind)

#30545B

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #424b77;
/* rgb */ color: rgb(66, 75, 119);
/* oklch */ color: oklch(42.5% 0.074 274.1);

Tailwind

colors: {
  custom: {
    50: '#797d9e',
    500: '#424b77',
    950: '#000000',
  },
}

SCSS

$custom: #424b77;
$custom-light: #797d9e;
$custom-dark: #000000;

JSON

{
  "hex": "#424b77",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 119
  },
  "hsl": {
    "h": 229.811,
    "s": 28.649,
    "l": 36.275
  },
  "oklch": {
    "l": 0.42537,
    "c": 0.07404,
    "h": 274.1
  },
  "luminance": 0.07522
}

Semantic roles & 50–950 ramp

primary

#424B77

secondary

#A29A73

accent

#B463C5

background

#F7F7F9

surface

#EDEEF2

border

#C8C9CC

text

#09090E

muted

#7B7B7E

Preview Lab

Preview with #424B77

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

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