#5B0F11#5B0F11

#5B0F11 is a dark, moderate red. Relative luminance 0.026; OKLCH L 31.0% C 0.108 H 25.1°. Best body text is #FFFFFF at 13.80:1 contrast (WCAG AA passes).

Color values

HEX	#5B0F11
RGB	rgb(91, 15, 17)
HSL	hsl(358, 72%, 21%)
HSV	hsv(358, 84%, 36%)
CMYK	cmyk(0%, 83.5%, 81.3%, 64.3%)
CIE-LAB	lab(18.40, 33.78, 20.39)
CIE-LCH	lch(18.40, 39.46, 31.11°)
OKLab	oklab(30.96% 0.0978 0.0458)
OKLCH	oklch(30.96% 0.108 25.1)
XYZ	xyz(4.5869, 2.6070, 0.7919)
Luminance	0.0261 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B0F11 #0F5B59

analogous

#5B0F37 #5B0F11 #5B330F

triadic

#5B0F11 #115B0F #0F115B

tetradic

#5B0F11 #375B0F #0F5B59 #330F5B

square

#5B0F11 #375B0F #0F5B59 #330F5B

split-complementary

#5B0F11 #0F5B33 #0F375B

monochromatic

#1A0405 #260607 #5B0F11 #90181B #C42025

Accessibility & contrast

On white

13.80

#5B0F11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#5B0F11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B0F11

13.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B0F11	#FFFFFF	#000000	##FFFFFF
##5B0F11	1.00	13.80	1.52	13.80
#FFFFFF	13.80	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#262210

Deuteranopia (green-blind)

#39330E

Tritanopia (blue-blind)

#650011

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #5b0f11;
/* rgb */ color: rgb(91, 15, 17);
/* oklch */ color: oklch(31.0% 0.108 25.1);

Tailwind

colors: {
  custom: {
    50: '#90554f',
    500: '#5b0f11',
    950: '#000000',
  },
}

SCSS

$custom: #5b0f11;
$custom-light: #90554f;
$custom-dark: #000000;

JSON

{
  "hex": "#5b0f11",
  "rgb": {
    "r": 91,
    "g": 15,
    "b": 17
  },
  "hsl": {
    "h": 358.421,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.30959,
    "c": 0.10802,
    "h": 25.1
  },
  "luminance": 0.02606
}

Semantic roles & 50–950 ramp

primary

#5B0F11

secondary

#319592

accent

#EEEA39

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0302

muted

#7E7878

Preview Lab

Preview with #5B0F11

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

Preview Lab → · Contrast checker → · Palette generator →