#554E5B#554E5B

#554E5B is a dark, muted grey. Relative luminance 0.081; OKLCH L 43.5% C 0.023 H 309.5°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).

Color values

HEX#554E5B
RGBrgb(85, 78, 91)
HSLhsl(272, 8%, 33%)
HSVhsv(272, 14%, 36%)
CMYKcmyk(6.6%, 14.3%, 0%, 64.3%)
CIE-LABlab(34.26, 5.70, -6.56)
CIE-LCHlch(34.26, 8.69, 310.98°)
OKLaboklab(43.55% 0.0145 -0.0176)
OKLCHoklch(43.55% 0.023 309.5)
XYZxyz(8.3587, 8.1354, 11.0254)
Luminance0.0814 (WCAG relative)
Temperatureneutral
Familygrey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#554E5B #545B4E
analogous
#4E4E5B #554E5B #5B4E5A
triadic
#554E5B #5B554E #4E5B55
tetradic
#554E5B #5B4E4E #545B4E #4E5A5B
square
#554E5B #5B4E4E #545B4E #4E5A5B
split-complementary
#554E5B #5A5B4E #4E5B4E
monochromatic
#171619 #36323A #554E5B #746A7C #92899A

Accessibility & contrast

On white

7.99
#554E5B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.63
#554E5B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #554E5B
7.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##554E5B#FFFFFF#000000##FFFFFF
##554E5B1.007.992.637.99
#FFFFFF7.991.0021.001.00
#0000002.6321.001.0021.00
##FFFFFF7.991.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4C505C
Deuteranopia (green-blind)
#4D515B
Tritanopia (blue-blind)
#545052
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #554e5b;
/* rgb */ color: rgb(85, 78, 91);
/* oklch */ color: oklch(43.5% 0.023 309.5);
Tailwind
colors: {
  custom: {
    50: '#857f89',
    500: '#554e5b',
    950: '#000000',
  },
}
SCSS
$custom: #554e5b;
$custom-light: #857f89;
$custom-dark: #000000;
JSON
{
  "hex": "#554e5b",
  "rgb": {
    "r": 85,
    "g": 78,
    "b": 91
  },
  "hsl": {
    "h": 272.308,
    "s": 7.692,
    "l": 33.137
  },
  "oklch": {
    "l": 0.43546,
    "c": 0.02283,
    "h": 309.5
  },
  "luminance": 0.08135
}

Semantic roles & 50–950 ramp

primary
#554E5B
secondary
#82897C
accent
#B17792
background
#F8F7F8
surface
#EFEEF0
border
#CAC9CB
text
#0B0A0B
muted
#7C7C7C

Preview Lab

Preview with #554E5B

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

Preview Lab → · Contrast checker → · Palette generator →

#554E5B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva