#424040#424040

#424040 is a dark, near-neutral grey. Relative luminance 0.052; OKLCH L 37.3% C 0.003 H 17.3°. Best body text is #FFFFFF at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#424040
RGB	rgb(66, 64, 64)
HSL	hsl(0, 2%, 25%)
HSV	hsv(0, 3%, 26%)
CMYK	cmyk(0%, 3%, 3%, 74.1%)
CIE-LAB	lab(27.28, 0.85, 0.30)
CIE-LCH	lch(27.28, 0.90, 19.55°)
OKLab	oklab(37.35% 0.0026 0.0008)
OKLCH	oklch(37.35% 0.003 17.3)
XYZ	xyz(5.0054, 5.1952, 5.5886)
Luminance	0.0520 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424040 #404242

analogous

#424041 #424040 #424140

triadic

#424040 #404240 #404042

tetradic

#424040 #414240 #404242 #414042

square

#424040 #414240 #404242 #414042

split-complementary

#424040 #404241 #404142

monochromatic

#100F0F #232222 #424040 #615E5E #807C7C

Accessibility & contrast

On white

10.30

#424040 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#424040 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424040

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424040	#FFFFFF	#000000	##FFFFFF
##424040	1.00	10.30	2.04	10.30
#FFFFFF	10.30	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404040

Deuteranopia (green-blind)

#414140

Tritanopia (blue-blind)

#424040

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #424040;
/* rgb */ color: rgb(66, 64, 64);
/* oklch */ color: oklch(37.3% 0.003 17.3);

Tailwind

colors: {
  custom: {
    50: '#767474',
    500: '#424040',
    950: '#000000',
  },
}

SCSS

$custom: #424040;
$custom-light: #767474;
$custom-dark: #000000;

JSON

{
  "hex": "#424040",
  "rgb": {
    "r": 66,
    "g": 64,
    "b": 64
  },
  "hsl": {
    "h": 0,
    "s": 1.538,
    "l": 25.49
  },
  "oklch": {
    "l": 0.37346,
    "c": 0.00272,
    "h": 17.3
  },
  "luminance": 0.05195
}

Semantic roles & 50–950 ramp

primary

#424040

secondary

#6E7070

accent

#ABAB7D

background

#F7F7F7

surface

#EDEDED

border

#C8C8C8

text

#080808

muted

#7B7B7B

Preview Lab

Preview with #424040

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

Preview Lab → · Contrast checker → · Palette generator →