#5B1311#5B1311

#5B1311 is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.4% C 0.104 H 26.8°. Best body text is #FFFFFF at 13.58:1 contrast (WCAG AA passes).

Color values

HEX	#5B1311
RGB	rgb(91, 19, 17)
HSL	hsl(2, 69%, 21%)
HSV	hsv(2, 81%, 36%)
CMYK	cmyk(0%, 79.1%, 81.3%, 64.3%)
CIE-LAB	lab(18.93, 32.28, 21.02)
CIE-LCH	lch(18.93, 38.52, 33.07°)
OKLab	oklab(31.36% 0.0931 0.0471)
OKLCH	oklch(31.36% 0.104 26.8)
XYZ	xyz(4.6490, 2.7311, 0.8126)
Luminance	0.0273 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1311 #11595B

analogous

#5B1134 #5B1311 #5B3811

triadic

#5B1311 #115B13 #13115B

tetradic

#5B1311 #345B11 #11595B #38115B

square

#5B1311 #345B11 #11595B #38115B

split-complementary

#5B1311 #115B38 #11345B

monochromatic

#1A0505 #270807 #5B1311 #8F1E1B #C22924

Accessibility & contrast

On white

13.58

#5B1311 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#5B1311 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1311

13.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1311	#FFFFFF	#000000	##FFFFFF
##5B1311	1.00	13.58	1.55	13.58
#FFFFFF	13.58	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282410

Deuteranopia (green-blind)

#3A340E

Tritanopia (blue-blind)

#650013

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #5b1311;
/* rgb */ color: rgb(91, 19, 17);
/* oklch */ color: oklch(31.4% 0.104 26.8);

Tailwind

colors: {
  custom: {
    50: '#90574f',
    500: '#5b1311',
    950: '#000000',
  },
}

SCSS

$custom: #5b1311;
$custom-light: #90574f;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1311",
  "rgb": {
    "r": 91,
    "g": 19,
    "b": 17
  },
  "hsl": {
    "h": 1.622,
    "s": 68.519,
    "l": 21.176
  },
  "oklch": {
    "l": 0.31359,
    "c": 0.10433,
    "h": 26.8
  },
  "luminance": 0.0273
}

Semantic roles & 50–950 ramp

primary

#5B1311

secondary

#349194

accent

#E7EB3C

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0302

muted

#7E7878

Preview Lab

Preview with #5B1311

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

Preview Lab → · Contrast checker → · Palette generator →