#424054#424054

#424054 is a dark, muted blue. Relative luminance 0.055; OKLCH L 38.2% C 0.034 H 289.3°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#424054
RGB	rgb(66, 64, 84)
HSL	hsl(246, 14%, 29%)
HSV	hsv(246, 24%, 33%)
CMYK	cmyk(21.4%, 23.8%, 0%, 67.1%)
CIE-LAB	lab(28.02, 5.74, -11.68)
CIE-LCH	lch(28.02, 13.01, 296.17°)
OKLab	oklab(38.17% 0.0112 -0.0319)
OKLCH	oklch(38.17% 0.034 289.3)
XYZ	xyz(5.6800, 5.4651, 9.1414)
Luminance	0.0546 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424054 #525440

analogous

#404854 #424054 #4C4054

triadic

#424054 #544240 #405442

tetradic

#424054 #544048 #525440 #40544C

square

#424054 #544048 #525440 #40544C

split-complementary

#424054 #544C40 #485440

monochromatic

#0E0D11 #272631 #424054 #5D5A77 #7A7797

Accessibility & contrast

On white

10.03

#424054 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#424054 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424054

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424054	#FFFFFF	#000000	##FFFFFF
##424054	1.00	10.03	2.09	10.03
#FFFFFF	10.03	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B4355

Deuteranopia (green-blind)

#3B4253

Tritanopia (blue-blind)

#3E4347

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #424054;
/* rgb */ color: rgb(66, 64, 84);
/* oklch */ color: oklch(38.2% 0.034 289.3);

Tailwind

colors: {
  custom: {
    50: '#767484',
    500: '#424054',
    950: '#000000',
  },
}

SCSS

$custom: #424054;
$custom-light: #767484;
$custom-dark: #000000;

JSON

{
  "hex": "#424054",
  "rgb": {
    "r": 66,
    "g": 64,
    "b": 84
  },
  "hsl": {
    "h": 246,
    "s": 13.514,
    "l": 29.02
  },
  "oklch": {
    "l": 0.38165,
    "c": 0.03385,
    "h": 289.3
  },
  "luminance": 0.05465
}

Semantic roles & 50–950 ramp

primary

#424054

secondary

#81836D

accent

#B671AF

background

#F7F7F8

surface

#EDEDEF

border

#C8C8CA

text

#08080A

muted

#7B7B7C

Preview Lab

Preview with #424054

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

Preview Lab → · Contrast checker → · Palette generator →