#55151B#55151B

#55151B is a dark, moderate red. Relative luminance 0.025; OKLCH L 30.6% C 0.094 H 19.5°. Best body text is #FFFFFF at 13.91:1 contrast (WCAG AA passes).

Color values

HEX	#55151B
RGB	rgb(85, 21, 27)
HSL	hsl(354, 60%, 21%)
HSV	hsv(354, 75%, 33%)
CMYK	cmyk(0%, 75.3%, 68.2%, 66.7%)
CIE-LAB	lab(18.13, 29.83, 13.06)
CIE-LCH	lch(18.13, 32.56, 23.64°)
OKLab	oklab(30.58% 0.0886 0.0314)
OKLCH	oklch(30.58% 0.094 19.5)
XYZ	xyz(4.2127, 2.5474, 1.3066)
Luminance	0.0255 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55151B #15554F

analogous

#55153B #55151B #552F15

triadic

#55151B #1B5515 #151B55

tetradic

#55151B #3B5515 #15554F #2F1555

square

#55151B #3B5515 #15554F #2F1555

split-complementary

#55151B #15552F #153B55

monochromatic

#190608 #24090B #55151B #86212B #B72D3A

Accessibility & contrast

On white

13.91

#55151B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#55151B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #55151B

13.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55151B	#FFFFFF	#000000	##FFFFFF
##55151B	1.00	13.91	1.51	13.91
#FFFFFF	13.91	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26241B

Deuteranopia (green-blind)

#363119

Tritanopia (blue-blind)

#5E0518

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #55151b;
/* rgb */ color: rgb(85, 21, 27);
/* oklch */ color: oklch(30.6% 0.094 19.5);

Tailwind

colors: {
  custom: {
    50: '#8a5757',
    500: '#55151b',
    950: '#000000',
  },
}

SCSS

$custom: #55151b;
$custom-light: #8a5757;
$custom-dark: #000000;

JSON

{
  "hex": "#55151b",
  "rgb": {
    "r": 85,
    "g": 21,
    "b": 27
  },
  "hsl": {
    "h": 354.375,
    "s": 60.377,
    "l": 20.784
  },
  "oklch": {
    "l": 0.30581,
    "c": 0.09397,
    "h": 19.5
  },
  "luminance": 0.02547
}

Semantic roles & 50–950 ramp

primary

#55151B

secondary

#398D85

accent

#E4D544

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0D0303

muted

#7D7878

Preview Lab

Preview with #55151B

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

Preview Lab → · Contrast checker → · Palette generator →