#5B1E10#5B1E10

#5B1E10 is a dark, moderate red. Relative luminance 0.032; OKLCH L 32.7% C 0.093 H 34.3°. Best body text is #FFFFFF at 12.82:1 contrast (WCAG AA passes).

Color values

HEX	#5B1E10
RGB	rgb(91, 30, 16)
HSL	hsl(11, 70%, 21%)
HSV	hsv(11, 82%, 36%)
CMYK	cmyk(0%, 67%, 82.4%, 64.3%)
CIE-LAB	lab(20.79, 27.16, 23.70)
CIE-LCH	lch(20.79, 36.04, 41.11°)
OKLab	oklab(32.75% 0.0768 0.0525)
OKLCH	oklch(32.75% 0.093 34.3)
XYZ	xyz(4.8727, 3.1908, 0.8494)
Luminance	0.0319 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1E10 #104D5B

analogous

#5B1027 #5B1E10 #5B4310

triadic

#5B1E10 #105B1E #1E105B

tetradic

#5B1E10 #275B10 #104D5B #43105B

square

#5B1E10 #275B10 #104D5B #43105B

split-complementary

#5B1E10 #105B43 #10275B

monochromatic

#1A0905 #270D07 #5B1E10 #8F2F19 #C34022

Accessibility & contrast

On white

12.82

#5B1E10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#5B1E10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1E10

12.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1E10	#FFFFFF	#000000	##FFFFFF
##5B1E10	1.00	12.82	1.64	12.82
#FFFFFF	12.82	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2A0E

Deuteranopia (green-blind)

#3E370E

Tritanopia (blue-blind)

#650F1B

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #5b1e10;
/* rgb */ color: rgb(91, 30, 16);
/* oklch */ color: oklch(32.7% 0.093 34.3);

Tailwind

colors: {
  custom: {
    50: '#8f5d4f',
    500: '#5b1e10',
    950: '#000000',
  },
}

SCSS

$custom: #5b1e10;
$custom-light: #8f5d4f;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1e10",
  "rgb": {
    "r": 91,
    "g": 30,
    "b": 16
  },
  "hsl": {
    "h": 11.2,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.32749,
    "c": 0.09306,
    "h": 34.3
  },
  "luminance": 0.0319
}

Semantic roles & 50–950 ramp

primary

#5B1E10

secondary

#338294

accent

#CCED3B

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0402

muted

#7E7978

Preview Lab

Preview with #5B1E10

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

Preview Lab → · Contrast checker → · Palette generator →