#424247#424247

#424247 is a dark, near-neutral grey. Relative luminance 0.055; OKLCH L 38.1% C 0.008 H 286.0°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).

Color values

HEX#424247
RGBrgb(66, 66, 71)
HSLhsl(240, 4%, 27%)
HSVhsv(240, 7%, 28%)
CMYKcmyk(7%, 7%, 0%, 72.2%)
CIE-LABlab(28.14, 1.15, -3.02)
CIE-LCHlch(28.14, 3.23, 290.80°)
OKLaboklab(38.09% 0.0023 -0.0081)
OKLCHoklch(38.09% 0.008 286)
XYZxyz(5.3321, 5.5096, 6.7426)
Luminance0.0551 (WCAG relative)
Temperatureneutral
Familygrey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#424247 #474742
analogous
#424547 #424247 #454247
triadic
#424247 #474242 #424742
tetradic
#424247 #474245 #474742 #424745
square
#424247 #474245 #474742 #424745
split-complementary
#424247 #474542 #454742
monochromatic
#0F0F10 #252527 #424247 #5F5F67 #7D7D86

Accessibility & contrast

On white

9.99
#424247 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.10
#424247 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424247
9.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##424247#FFFFFF#000000##FFFFFF
##4242471.009.992.109.99
#FFFFFF9.991.0021.001.00
#0000002.1021.001.0021.00
##FFFFFF9.991.0021.001.00

Color blindness preview

Protanopia (red-blind)
#414347
Deuteranopia (green-blind)
#414247
Tritanopia (blue-blind)
#414344
Achromatopsia (no color)
#424242

Design tokens & code

CSS
--color: #424247;
/* rgb */ color: rgb(66, 66, 71);
/* oklch */ color: oklch(38.1% 0.008 286.0);
Tailwind
colors: {
  custom: {
    50: '#76767a',
    500: '#424247',
    950: '#000000',
  },
}
SCSS
$custom: #424247;
$custom-light: #76767a;
$custom-dark: #000000;
JSON
{
  "hex": "#424247",
  "rgb": {
    "r": 66,
    "g": 66,
    "b": 71
  },
  "hsl": {
    "h": 240,
    "s": 3.65,
    "l": 26.863
  },
  "oklch": {
    "l": 0.38093,
    "c": 0.00841,
    "h": 286
  },
  "luminance": 0.0551
}

Semantic roles & 50–950 ramp

primary
#424247
secondary
#75756F
accent
#AD7BAD
background
#F7F7F7
surface
#EDEDED
border
#C8C8C8
text
#080809
muted
#7B7B7B

Preview Lab

Preview with #424247

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

Preview Lab → · Contrast checker → · Palette generator →

#424247 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva