#55101D#55101D

#55101D is a dark, moderate red. Relative luminance 0.024; OKLCH L 30.1% C 0.100 H 15.2°. Best body text is #FFFFFF at 14.21:1 contrast (WCAG AA passes).

Color values

HEX	#55101D
RGB	rgb(85, 16, 29)
HSL	hsl(349, 68%, 20%)
HSV	hsv(349, 81%, 33%)
CMYK	cmyk(0%, 81.2%, 65.9%, 66.7%)
CIE-LAB	lab(17.42, 32.07, 10.71)
CIE-LCH	lch(17.42, 33.81, 18.47°)
OKLab	oklab(30.07% 0.0962 0.0262)
OKLCH	oklch(30.07% 0.1 15.2)
XYZ	xyz(4.1538, 2.3912, 1.4050)
Luminance	0.0239 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55101D #105548

analogous

#55103F #55101D #552610

triadic

#55101D #1D5510 #101D55

tetradic

#55101D #3F5510 #105548 #261055

square

#55101D #3F5510 #105548 #261055

split-complementary

#55101D #105526 #103F55

monochromatic

#1A0509 #21060B #55101D #891A2F #BC2340

Accessibility & contrast

On white

14.21

#55101D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#55101D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #55101D

14.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55101D	#FFFFFF	#000000	##FFFFFF
##55101D	1.00	14.21	1.48	14.21
#FFFFFF	14.21	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23221D

Deuteranopia (green-blind)

#35301B

Tritanopia (blue-blind)

#5E0015

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #55101d;
/* rgb */ color: rgb(85, 16, 29);
/* oklch */ color: oklch(30.1% 0.100 15.2);

Tailwind

colors: {
  custom: {
    50: '#8a5558',
    500: '#55101d',
    950: '#000000',
  },
}

SCSS

$custom: #55101d;
$custom-light: #8a5558;
$custom-dark: #000000;

JSON

{
  "hex": "#55101d",
  "rgb": {
    "r": 85,
    "g": 16,
    "b": 29
  },
  "hsl": {
    "h": 348.696,
    "s": 68.317,
    "l": 19.804
  },
  "oklch": {
    "l": 0.30066,
    "c": 0.09967,
    "h": 15.2
  },
  "luminance": 0.02391
}

Semantic roles & 50–950 ramp

primary

#55101D

secondary

#328F7D

accent

#EBCA3D

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0D0303

muted

#7D7878

Preview Lab

Preview with #55101D

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

Preview Lab → · Contrast checker → · Palette generator →