#550F0F#550F0F

#550F0F is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.7% C 0.102 H 26.0°. Best body text is #FFFFFF at 14.37:1 contrast (WCAG AA passes).

Color values

HEX	#550F0F
RGB	rgb(85, 15, 15)
HSL	hsl(0, 70%, 20%)
HSV	hsv(0, 82%, 33%)
CMYK	cmyk(0%, 82.4%, 82.4%, 66.7%)
CIE-LAB	lab(17.03, 31.61, 19.54)
CIE-LCH	lch(17.03, 37.16, 31.72°)
OKLab	oklab(29.69% 0.0913 0.0445)
OKLCH	oklch(29.69% 0.102 26)
XYZ	xyz(4.0038, 2.3081, 0.6865)
Luminance	0.0231 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#550F0F #0F5555

analogous

#550F32 #550F0F #55320F

triadic

#550F0F #0F550F #0F0F55

tetradic

#550F0F #32550F #0F5555 #320F55

square

#550F0F #32550F #0F5555 #320F55

split-complementary

#550F0F #0F5532 #0F3255

monochromatic

#1A0505 #210606 #550F0F #891818 #BD2121

Accessibility & contrast

On white

14.37

#550F0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#550F0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #550F0F

14.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##550F0F	#FFFFFF	#000000	##FFFFFF
##550F0F	1.00	14.37	1.46	14.37
#FFFFFF	14.37	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24200E

Deuteranopia (green-blind)

#362F0C

Tritanopia (blue-blind)

#5E0010

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #550f0f;
/* rgb */ color: rgb(85, 15, 15);
/* oklch */ color: oklch(29.7% 0.102 26.0);

Tailwind

colors: {
  custom: {
    50: '#8b544e',
    500: '#550f0f',
    950: '#000000',
  },
}

SCSS

$custom: #550f0f;
$custom-light: #8b544e;
$custom-dark: #000000;

JSON

{
  "hex": "#550f0f",
  "rgb": {
    "r": 85,
    "g": 15,
    "b": 15
  },
  "hsl": {
    "h": 0,
    "s": 70,
    "l": 19.608
  },
  "oklch": {
    "l": 0.29693,
    "c": 0.10158,
    "h": 26
  },
  "luminance": 0.02307
}

Semantic roles & 50–950 ramp

primary

#550F0F

secondary

#318F8F

accent

#EDED3B

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0301

muted

#7E7877

Preview Lab

Preview with #550F0F

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

Preview Lab → · Contrast checker → · Palette generator →