#551F0F#551F0F

#551F0F is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.8% C 0.085 H 37.0°. Best body text is #FFFFFF at 13.21:1 contrast (WCAG AA passes).

Color values

HEX	#551F0F
RGB	rgb(85, 31, 15)
HSL	hsl(14, 70%, 20%)
HSV	hsv(14, 82%, 33%)
CMYK	cmyk(0%, 63.5%, 82.4%, 66.7%)
CIE-LAB	lab(19.83, 24.05, 22.84)
CIE-LCH	lch(19.83, 33.17, 43.53°)
OKLab	oklab(31.8% 0.0677 0.051)
OKLCH	oklch(31.8% 0.085 37)
XYZ	xyz(4.3230, 2.9463, 0.7929)
Luminance	0.0295 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551F0F #0F4555

analogous

#550F22 #551F0F #55420F

triadic

#551F0F #0F551F #1F0F55

tetradic

#551F0F #22550F #0F4555 #420F55

square

#551F0F #22550F #0F4555 #420F55

split-complementary

#551F0F #0F5542 #0F2255

monochromatic

#1A0905 #210C06 #551F0F #893218 #BD4521

Accessibility & contrast

On white

13.21

#551F0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#551F0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551F0F

13.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551F0F	#FFFFFF	#000000	##FFFFFF
##551F0F	1.00	13.21	1.59	13.21
#FFFFFF	13.21	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E280D

Deuteranopia (green-blind)

#3B340D

Tritanopia (blue-blind)

#5E131C

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #551f0f;
/* rgb */ color: rgb(85, 31, 15);
/* oklch */ color: oklch(31.8% 0.085 37.0);

Tailwind

colors: {
  custom: {
    50: '#8a5d4e',
    500: '#551f0f',
    950: '#000000',
  },
}

SCSS

$custom: #551f0f;
$custom-light: #8a5d4e;
$custom-dark: #000000;

JSON

{
  "hex": "#551f0f",
  "rgb": {
    "r": 85,
    "g": 31,
    "b": 15
  },
  "hsl": {
    "h": 13.714,
    "s": 70,
    "l": 19.608
  },
  "oklch": {
    "l": 0.31795,
    "c": 0.08478,
    "h": 37
  },
  "luminance": 0.02946
}

Semantic roles & 50–950 ramp

primary

#551F0F

secondary

#31798F

accent

#C4ED3B

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0401

muted

#7E7977

Preview Lab

Preview with #551F0F

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

Preview Lab → · Contrast checker → · Palette generator →