#554D5A#554D5A

#554D5A is a dark, muted grey. Relative luminance 0.080; OKLCH L 43.3% C 0.023 H 312.6°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#554D5A
RGB	rgb(85, 77, 90)
HSL	hsl(277, 8%, 33%)
HSV	hsv(277, 14%, 35%)
CMYK	cmyk(5.6%, 14.4%, 0%, 64.7%)
CIE-LAB	lab(33.94, 6.10, -6.42)
CIE-LCH	lch(33.94, 8.85, 313.55°)
OKLab	oklab(43.28% 0.0158 -0.0172)
OKLCH	oklch(43.28% 0.023 312.6)
XYZ	xyz(8.2453, 7.9773, 10.7763)
Luminance	0.0798 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#554D5A #525A4D

analogous

#4F4D5A #554D5A #5A4D58

triadic

#554D5A #5A554D #4D5A55

tetradic

#554D5A #5A4F4D #525A4D #4D585A

square

#554D5A #5A4F4D #525A4D #4D585A

split-complementary

#554D5A #585A4D #4D5A4F

monochromatic

#171518 #363139 #554D5A #74697B #938899

Accessibility & contrast

On white

8.09

#554D5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#554D5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #554D5A

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##554D5A	#FFFFFF	#000000	##FFFFFF
##554D5A	1.00	8.09	2.60	8.09
#FFFFFF	8.09	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4F5B

Deuteranopia (green-blind)

#4D505A

Tritanopia (blue-blind)

#554E51

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #554d5a;
/* rgb */ color: rgb(85, 77, 90);
/* oklch */ color: oklch(43.3% 0.023 312.6);

Tailwind

colors: {
  custom: {
    50: '#857e88',
    500: '#554d5a',
    950: '#000000',
  },
}

SCSS

$custom: #554d5a;
$custom-light: #857e88;
$custom-dark: #000000;

JSON

{
  "hex": "#554d5a",
  "rgb": {
    "r": 85,
    "g": 77,
    "b": 90
  },
  "hsl": {
    "h": 276.923,
    "s": 7.784,
    "l": 32.745
  },
  "oklch": {
    "l": 0.43279,
    "c": 0.02338,
    "h": 312.6
  },
  "luminance": 0.07977
}

Semantic roles & 50–950 ramp

primary

#554D5A

secondary

#80887B

accent

#B1778D

background

#F8F7F8

surface

#EFEEEF

border

#CAC9CA

text

#0B0A0B

muted

#7C7C7C

Preview Lab

Preview with #554D5A

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

Preview Lab → · Contrast checker → · Palette generator →