#424243#424243

#424243 is a dark, near-neutral grey. Relative luminance 0.055; OKLCH L 37.9% C 0.002 H 286.3°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#424243
RGB	rgb(66, 66, 67)
HSL	hsl(240, 1%, 26%)
HSV	hsv(240, 1%, 26%)
CMYK	cmyk(1.5%, 1.5%, 0%, 73.7%)
CIE-LAB	lab(28.01, 0.22, -0.61)
CIE-LCH	lch(28.01, 0.65, 290.30°)
OKLab	oklab(37.95% 0.0005 -0.0016)
OKLCH	oklch(37.95% 0.002 286.3)
XYZ	xyz(5.2079, 5.4599, 6.0886)
Luminance	0.0546 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424243 #434342

analogous

#424243 #424243 #424243

triadic

#424243 #434242 #424342

tetradic

#424243 #434242 #434342 #424342

square

#424243 #434242 #434342 #424342

split-complementary

#424243 #434242 #424342

monochromatic

#0F0F0F #242424 #424243 #606062 #7F7F81

Accessibility & contrast

On white

10.04

#424243 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#424243 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424243

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424243	#FFFFFF	#000000	##FFFFFF
##424243	1.00	10.04	2.09	10.04
#FFFFFF	10.04	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#424243

Deuteranopia (green-blind)

#424243

Tritanopia (blue-blind)

#424242

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #424243;
/* rgb */ color: rgb(66, 66, 67);
/* oklch */ color: oklch(37.9% 0.002 286.3);

Tailwind

colors: {
  custom: {
    50: '#767677',
    500: '#424243',
    950: '#000000',
  },
}

SCSS

$custom: #424243;
$custom-light: #767677;
$custom-dark: #000000;

JSON

{
  "hex": "#424243",
  "rgb": {
    "r": 66,
    "g": 66,
    "b": 67
  },
  "hsl": {
    "h": 240,
    "s": 0.752,
    "l": 26.078
  },
  "oklch": {
    "l": 0.37945,
    "c": 0.00168,
    "h": 286.3
  },
  "luminance": 0.0546
}

Semantic roles & 50–950 ramp

primary

#424243

secondary

#717170

accent

#AA7EAA

background

#F7F7F7

surface

#EDEDED

border

#C8C8C8

text

#080808

muted

#7B7B7B

Preview Lab

Preview with #424243

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

Preview Lab → · Contrast checker → · Palette generator →