#5B1310#5B1310

#5B1310 is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.3% C 0.104 H 27.5°. Best body text is #FFFFFF at 13.59:1 contrast (WCAG AA passes).

Color values

HEX	#5B1310
RGB	rgb(91, 19, 16)
HSL	hsl(2, 70%, 21%)
HSV	hsv(2, 82%, 36%)
CMYK	cmyk(0%, 79.1%, 82.4%, 64.3%)
CIE-LAB	lab(18.92, 32.24, 21.57)
CIE-LCH	lch(18.92, 38.79, 33.79°)
OKLab	oklab(31.35% 0.0927 0.0482)
OKLCH	oklch(31.35% 0.104 27.5)
XYZ	xyz(4.6413, 2.7280, 0.7723)
Luminance	0.0273 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1310 #10585B

analogous

#5B1032 #5B1310 #5B3810

triadic

#5B1310 #105B13 #13105B

tetradic

#5B1310 #325B10 #10585B #38105B

square

#5B1310 #325B10 #10585B #38105B

split-complementary

#5B1310 #105B38 #10325B

monochromatic

#1A0505 #270807 #5B1310 #8F1E19 #C32922

Accessibility & contrast

On white

13.59

#5B1310 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#5B1310 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1310

13.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1310	#FFFFFF	#000000	##FFFFFF
##5B1310	1.00	13.59	1.55	13.59
#FFFFFF	13.59	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29240F

Deuteranopia (green-blind)

#3A340D

Tritanopia (blue-blind)

#650013

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #5b1310;
/* rgb */ color: rgb(91, 19, 16);
/* oklch */ color: oklch(31.3% 0.104 27.5);

Tailwind

colors: {
  custom: {
    50: '#90574e',
    500: '#5b1310',
    950: '#000000',
  },
}

SCSS

$custom: #5b1310;
$custom-light: #90574e;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1310",
  "rgb": {
    "r": 91,
    "g": 19,
    "b": 16
  },
  "hsl": {
    "h": 2.4,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.31345,
    "c": 0.10448,
    "h": 27.5
  },
  "luminance": 0.02727
}

Semantic roles & 50–950 ramp

primary

#5B1310

secondary

#339094

accent

#E6ED3B

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0301

muted

#7E7877

Preview Lab

Preview with #5B1310

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

Preview Lab → · Contrast checker → · Palette generator →