#424B4D#424B4D

#424B4D is a dark, near-neutral grey. Relative luminance 0.067; OKLCH L 40.5% C 0.012 H 212.6°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).

Color values

HEX#424B4D
RGBrgb(66, 75, 77)
HSLhsl(191, 8%, 28%)
HSVhsv(191, 14%, 30%)
CMYKcmyk(14.3%, 2.6%, 0%, 69.8%)
CIE-LABlab(31.18, -3.13, -2.42)
CIE-LCHlch(31.18, 3.96, 217.68°)
OKLaboklab(40.55% -0.0102 -0.0065)
OKLCHoklch(40.55% 0.012 212.6)
XYZxyz(6.1021, 6.7261, 7.9965)
Luminance0.0673 (WCAG relative)
Temperatureneutral
Familygrey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#424B4D #4D4442
analogous
#424D49 #424B4D #42454D
triadic
#424B4D #4D424B #4B4D42
tetradic
#424B4D #49424D #4D4442 #454D42
square
#424B4D #49424D #4D4442 #454D42
split-complementary
#424B4D #4D4245 #4D4942
monochromatic
#0E1010 #262B2C #424B4D #5E6B6E #7B8B8E

Accessibility & contrast

On white

8.95
#424B4D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.35
#424B4D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424B4D
8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##424B4D#FFFFFF#000000##FFFFFF
##424B4D1.008.952.358.95
#FFFFFF8.951.0021.001.00
#0000002.3521.001.0021.00
##FFFFFF8.951.0021.001.00

Color blindness preview

Protanopia (red-blind)
#494A4D
Deuteranopia (green-blind)
#47494D
Tritanopia (blue-blind)
#3F4C4C
Achromatopsia (no color)
#494949

Design tokens & code

CSS
--color: #424b4d;
/* rgb */ color: rgb(66, 75, 77);
/* oklch */ color: oklch(40.5% 0.012 212.6);
Tailwind
colors: {
  custom: {
    50: '#767d7e',
    500: '#424b4d',
    950: '#000000',
  },
}
SCSS
$custom: #424b4d;
$custom-light: #767d7e;
$custom-dark: #000000;
JSON
{
  "hex": "#424b4d",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 77
  },
  "hsl": {
    "h": 190.909,
    "s": 7.692,
    "l": 28.039
  },
  "oklch": {
    "l": 0.40548,
    "c": 0.01213,
    "h": 212.6
  },
  "luminance": 0.06726
}

Semantic roles & 50–950 ramp

primary
#424B4D
secondary
#7C716F
accent
#8277B1
background
#F7F7F7
surface
#EDEEEE
border
#C8C9C9
text
#08090A
muted
#7B7B7C

Preview Lab

Preview with #424B4D

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

Preview Lab → · Contrast checker → · Palette generator →

#424B4D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva