#55101B#55101B

#55101B is a dark, moderate red. Relative luminance 0.024; OKLCH L 30.0% C 0.100 H 17.0°. Best body text is #FFFFFF at 14.23:1 contrast (WCAG AA passes).

Color values

HEX	#55101B
RGB	rgb(85, 16, 27)
HSL	hsl(350, 68%, 20%)
HSV	hsv(350, 81%, 33%)
CMYK	cmyk(0%, 81.2%, 68.2%, 66.7%)
CIE-LAB	lab(17.37, 31.92, 12.08)
CIE-LCH	lch(17.37, 34.13, 20.73°)
OKLab	oklab(30.02% 0.0953 0.0292)
OKLCH	oklch(30.02% 0.1 17)
XYZ	xyz(4.1299, 2.3816, 1.2789)
Luminance	0.0238 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55101B #10554A

analogous

#55103E #55101B #552810

triadic

#55101B #1B5510 #101B55

tetradic

#55101B #3E5510 #10554A #281055

square

#55101B #3E5510 #10554A #281055

split-complementary

#55101B #105528 #103E55

monochromatic

#1A0508 #21060B #55101B #891A2B #BC233C

Accessibility & contrast

On white

14.23

#55101B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#55101B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #55101B

14.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55101B	#FFFFFF	#000000	##FFFFFF
##55101B	1.00	14.23	1.48	14.23
#FFFFFF	14.23	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23211B

Deuteranopia (green-blind)

#353019

Tritanopia (blue-blind)

#5E0015

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #55101b;
/* rgb */ color: rgb(85, 16, 27);
/* oklch */ color: oklch(30.0% 0.100 17.0);

Tailwind

colors: {
  custom: {
    50: '#8a5557',
    500: '#55101b',
    950: '#000000',
  },
}

SCSS

$custom: #55101b;
$custom-light: #8a5557;
$custom-dark: #000000;

JSON

{
  "hex": "#55101b",
  "rgb": {
    "r": 85,
    "g": 16,
    "b": 27
  },
  "hsl": {
    "h": 350.435,
    "s": 68.317,
    "l": 19.804
  },
  "oklch": {
    "l": 0.30018,
    "c": 0.09962,
    "h": 17
  },
  "luminance": 0.02381
}

Semantic roles & 50–950 ramp

primary

#55101B

secondary

#328F80

accent

#EBCF3D

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0D0303

muted

#7D7878

Preview Lab

Preview with #55101B

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

Preview Lab → · Contrast checker → · Palette generator →