#55100F#55100F

#55100F is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.8% C 0.101 H 26.4°. Best body text is #FFFFFF at 14.31:1 contrast (WCAG AA passes).

Color values

HEX	#55100F
RGB	rgb(85, 16, 15)
HSL	hsl(1, 70%, 20%)
HSV	hsv(1, 82%, 33%)
CMYK	cmyk(0%, 81.2%, 82.4%, 66.7%)
CIE-LAB	lab(17.16, 31.23, 19.71)
CIE-LCH	lch(17.16, 36.93, 32.25°)
OKLab	oklab(29.8% 0.0901 0.0448)
OKLCH	oklch(29.8% 0.101 26.4)
XYZ	xyz(4.0183, 2.3370, 0.6913)
Luminance	0.0234 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55100F #0F5455

analogous

#550F31 #55100F #55330F

triadic

#55100F #0F5510 #100F55

tetradic

#55100F #31550F #0F5455 #330F55

square

#55100F #31550F #0F5455 #330F55

split-complementary

#55100F #0F5533 #0F3155

monochromatic

#1A0505 #210606 #55100F #891A18 #BD2421

Accessibility & contrast

On white

14.31

#55100F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#55100F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #55100F

14.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55100F	#FFFFFF	#000000	##FFFFFF
##55100F	1.00	14.31	1.47	14.31
#FFFFFF	14.31	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25210E

Deuteranopia (green-blind)

#36300C

Tritanopia (blue-blind)

#5E0011

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #55100f;
/* rgb */ color: rgb(85, 16, 15);
/* oklch */ color: oklch(29.8% 0.101 26.4);

Tailwind

colors: {
  custom: {
    50: '#8b554e',
    500: '#55100f',
    950: '#000000',
  },
}

SCSS

$custom: #55100f;
$custom-light: #8b554e;
$custom-dark: #000000;

JSON

{
  "hex": "#55100f",
  "rgb": {
    "r": 85,
    "g": 16,
    "b": 15
  },
  "hsl": {
    "h": 0.857,
    "s": 70,
    "l": 19.608
  },
  "oklch": {
    "l": 0.29795,
    "c": 0.10063,
    "h": 26.4
  },
  "luminance": 0.02336
}

Semantic roles & 50–950 ramp

primary

#55100F

secondary

#318E8F

accent

#EAED3B

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0301

muted

#7E7877

Preview Lab

Preview with #55100F

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

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