#5B1B0E#5B1B0E

#5B1B0E is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.3% C 0.097 H 33.3°. Best body text is #FFFFFF at 13.06:1 contrast (WCAG AA passes).

Color values

HEX	#5B1B0E
RGB	rgb(91, 27, 14)
HSL	hsl(10, 73%, 21%)
HSV	hsv(10, 85%, 36%)
CMYK	cmyk(0%, 70.3%, 84.6%, 64.3%)
CIE-LAB	lab(20.20, 28.58, 24.11)
CIE-LCH	lch(20.20, 37.39, 40.15°)
OKLab	oklab(32.3% 0.0808 0.0532)
OKLCH	oklch(32.3% 0.097 33.3)
XYZ	xyz(4.7861, 3.0404, 0.7502)
Luminance	0.0304 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1B0E #0E4E5B

analogous

#5B0E27 #5B1B0E #5B410E

triadic

#5B1B0E #0E5B1B #1B0E5B

tetradic

#5B1B0E #275B0E #0E4E5B #410E5B

square

#5B1B0E #275B0E #0E4E5B #410E5B

split-complementary

#5B1B0E #0E5B41 #0E275B

monochromatic

#1B0804 #260B06 #5B1B0E #902B16 #C53A1E

Accessibility & contrast

On white

13.06

#5B1B0E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#5B1B0E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1B0E

13.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1B0E	#FFFFFF	#000000	##FFFFFF
##5B1B0E	1.00	13.06	1.61	13.06
#FFFFFF	13.06	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D280C

Deuteranopia (green-blind)

#3D360B

Tritanopia (blue-blind)

#650918

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #5b1b0e;
/* rgb */ color: rgb(91, 27, 14);
/* oklch */ color: oklch(32.3% 0.097 33.3);

Tailwind

colors: {
  custom: {
    50: '#905b4d',
    500: '#5b1b0e',
    950: '#000000',
  },
}

SCSS

$custom: #5b1b0e;
$custom-light: #905b4d;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1b0e",
  "rgb": {
    "r": 91,
    "g": 27,
    "b": 14
  },
  "hsl": {
    "h": 10.13,
    "s": 73.333,
    "l": 20.588
  },
  "oklch": {
    "l": 0.323,
    "c": 0.09674,
    "h": 33.3
  },
  "luminance": 0.0304
}

Semantic roles & 50–950 ramp

primary

#5B1B0E

secondary

#308495

accent

#D1F038

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0401

muted

#7E7977

Preview Lab

Preview with #5B1B0E

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

Preview Lab → · Contrast checker → · Palette generator →