#5B1D0F#5B1D0F

#5B1D0F is a dark, moderate red. Relative luminance 0.031; OKLCH L 32.6% C 0.094 H 34.2°. Best body text is #FFFFFF at 12.90:1 contrast (WCAG AA passes).

Color values

HEX	#5B1D0F
RGB	rgb(91, 29, 15)
HSL	hsl(11, 72%, 21%)
HSV	hsv(11, 84%, 36%)
CMYK	cmyk(0%, 68.1%, 83.5%, 64.3%)
CIE-LAB	lab(20.59, 27.62, 24.02)
CIE-LCH	lch(20.59, 36.60, 41.00°)
OKLab	oklab(32.59% 0.0781 0.053)
OKLCH	oklch(32.59% 0.094 34.2)
XYZ	xyz(4.8405, 3.1381, 0.8027)
Luminance	0.0314 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1D0F #0F4D5B

analogous

#5B0F27 #5B1D0F #5B430F

triadic

#5B1D0F #0F5B1D #1D0F5B

tetradic

#5B1D0F #275B0F #0F4D5B #430F5B

square

#5B1D0F #275B0F #0F4D5B #430F5B

split-complementary

#5B1D0F #0F5B43 #0F275B

monochromatic

#1A0804 #260C06 #5B1D0F #902E18 #C43E20

Accessibility & contrast

On white

12.90

#5B1D0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#5B1D0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1D0F

12.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1D0F	#FFFFFF	#000000	##FFFFFF
##5B1D0F	1.00	12.90	1.63	12.90
#FFFFFF	12.90	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F290D

Deuteranopia (green-blind)

#3E370D

Tritanopia (blue-blind)

#650D1A

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #5b1d0f;
/* rgb */ color: rgb(91, 29, 15);
/* oklch */ color: oklch(32.6% 0.094 34.2);

Tailwind

colors: {
  custom: {
    50: '#905c4e',
    500: '#5b1d0f',
    950: '#000000',
  },
}

SCSS

$custom: #5b1d0f;
$custom-light: #905c4e;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1d0f",
  "rgb": {
    "r": 91,
    "g": 29,
    "b": 15
  },
  "hsl": {
    "h": 11.053,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.32592,
    "c": 0.09439,
    "h": 34.2
  },
  "luminance": 0.03137
}

Semantic roles & 50–950 ramp

primary

#5B1D0F

secondary

#318295

accent

#CDEE39

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0401

muted

#7E7977

Preview Lab

Preview with #5B1D0F

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

Preview Lab → · Contrast checker → · Palette generator →