#424258#424258

#424258 is a dark, muted blue. Relative luminance 0.058; OKLCH L 38.8% C 0.037 H 284.5°. Best body text is #FFFFFF at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#424258
RGB	rgb(66, 66, 88)
HSL	hsl(240, 14%, 30%)
HSV	hsv(240, 25%, 35%)
CMYK	cmyk(25%, 25%, 0%, 65.5%)
CIE-LAB	lab(28.80, 5.51, -13.09)
CIE-LCH	lch(28.80, 14.20, 292.83°)
OKLab	oklab(38.82% 0.0093 -0.0359)
OKLCH	oklch(38.82% 0.037 284.5)
XYZ	xyz(5.9560, 5.7592, 10.0285)
Luminance	0.0576 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424258 #585842

analogous

#424D58 #424258 #4D4258

triadic

#424258 #584242 #425842

tetradic

#424258 #58424D #585842 #42584D

square

#424258 #58424D #585842 #42584D

split-complementary

#424258 #584D42 #4D5842

monochromatic

#0E0E12 #282835 #424258 #5C5C7B #7A7A9B

Accessibility & contrast

On white

9.76

#424258 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#424258 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424258

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424258	#FFFFFF	#000000	##FFFFFF
##424258	1.00	9.76	2.15	9.76
#FFFFFF	9.76	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C4559

Deuteranopia (green-blind)

#3C4357

Tritanopia (blue-blind)

#3D464A

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #424258;
/* rgb */ color: rgb(66, 66, 88);
/* oklch */ color: oklch(38.8% 0.037 284.5);

Tailwind

colors: {
  custom: {
    50: '#767687',
    500: '#424258',
    950: '#000000',
  },
}

SCSS

$custom: #424258;
$custom-light: #767687;
$custom-dark: #000000;

JSON

{
  "hex": "#424258",
  "rgb": {
    "r": 66,
    "g": 66,
    "b": 88
  },
  "hsl": {
    "h": 240,
    "s": 14.286,
    "l": 30.196
  },
  "oklch": {
    "l": 0.38823,
    "c": 0.03712,
    "h": 284.5
  },
  "luminance": 0.05759
}

Semantic roles & 50–950 ramp

primary

#424258

secondary

#87876F

accent

#B771B7

background

#F7F7F8

surface

#EDEDEF

border

#C8C8CA

text

#08080B

muted

#7B7B7C

Preview Lab

Preview with #424258

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

Preview Lab → · Contrast checker → · Palette generator →