#424451#424451

#424451 is a dark, muted blue. Relative luminance 0.059; OKLCH L 39.0% C 0.022 H 278.4°. Best body text is #FFFFFF at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#424451
RGB	rgb(66, 68, 81)
HSL	hsl(232, 10%, 29%)
HSV	hsv(232, 19%, 32%)
CMYK	cmyk(18.5%, 16%, 0%, 68.2%)
CIE-LAB	lab(29.12, 2.33, -8.06)
CIE-LCH	lch(29.12, 8.39, 286.15°)
OKLab	oklab(38.98% 0.0032 -0.0219)
OKLCH	oklch(38.98% 0.022 278.4)
XYZ	xyz(5.7987, 5.8865, 8.6137)
Luminance	0.0589 (WCAG relative)
Temperature	neutral
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424451 #514F42

analogous

#424C51 #424451 #484251

triadic

#424451 #514244 #445142

tetradic

#424451 #51424C #514F42 #425148

square

#424451 #51424C #514F42 #425148

split-complementary

#424451 #514842 #4C5142

monochromatic

#0E0E11 #27282F #424451 #5D6073 #7A7E93

Accessibility & contrast

On white

9.64

#424451 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#424451 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424451

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424451	#FFFFFF	#000000	##FFFFFF
##424451	1.00	9.64	2.18	9.64
#FFFFFF	9.64	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#414552

Deuteranopia (green-blind)

#404451

Tritanopia (blue-blind)

#3F4648

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #424451;
/* rgb */ color: rgb(66, 68, 81);
/* oklch */ color: oklch(39.0% 0.022 278.4);

Tailwind

colors: {
  custom: {
    50: '#767781',
    500: '#424451',
    950: '#000000',
  },
}

SCSS

$custom: #424451;
$custom-light: #767781;
$custom-dark: #000000;

JSON

{
  "hex": "#424451",
  "rgb": {
    "r": 66,
    "g": 68,
    "b": 81
  },
  "hsl": {
    "h": 232,
    "s": 10.204,
    "l": 28.824
  },
  "oklch": {
    "l": 0.38984,
    "c": 0.02211,
    "h": 278.4
  },
  "luminance": 0.05887
}

Semantic roles & 50–950 ramp

primary

#424451

secondary

#807E6F

accent

#AB75B3

background

#F7F7F7

surface

#EDEDEE

border

#C8C8C9

text

#08080A

muted

#7B7B7C

Preview Lab

Preview with #424451

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

Preview Lab → · Contrast checker → · Palette generator →