#5B0E21#5B0E21

#5B0E21 is a dark, moderate red. Relative luminance 0.026; OKLCH L 31.2% C 0.108 H 12.7°. Best body text is #FFFFFF at 13.73:1 contrast (WCAG AA passes).

Color values

HEX	#5B0E21
RGB	rgb(91, 14, 33)
HSL	hsl(345, 73%, 21%)
HSV	hsv(345, 85%, 36%)
CMYK	cmyk(0%, 84.6%, 63.7%, 64.3%)
CIE-LAB	lab(18.58, 35.08, 9.63)
CIE-LCH	lch(18.58, 36.38, 15.35°)
OKLab	oklab(31.19% 0.1058 0.0238)
OKLCH	oklch(31.19% 0.108 12.7)
XYZ	xyz(4.7464, 2.6487, 1.6999)
Luminance	0.0265 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B0E21 #0E5B48

analogous

#5B0E47 #5B0E21 #5B210E

triadic

#5B0E21 #215B0E #0E215B

tetradic

#5B0E21 #475B0E #0E5B48 #210E5B

square

#5B0E21 #475B0E #0E5B48 #210E5B

split-complementary

#5B0E21 #0E5B21 #0E475B

monochromatic

#1B040A #26060E #5B0E21 #901634 #C51E47

Accessibility & contrast

On white

13.73

#5B0E21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#5B0E21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B0E21

13.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B0E21	#FFFFFF	#000000	##FFFFFF
##5B0E21	1.00	13.73	1.53	13.73
#FFFFFF	13.73	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#242321

Deuteranopia (green-blind)

#37331F

Tritanopia (blue-blind)

#640016

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #5b0e21;
/* rgb */ color: rgb(91, 14, 33);
/* oklch */ color: oklch(31.2% 0.108 12.7);

Tailwind

colors: {
  custom: {
    50: '#8f555b',
    500: '#5b0e21',
    950: '#000000',
  },
}

SCSS

$custom: #5b0e21;
$custom-light: #8f555b;
$custom-dark: #000000;

JSON

{
  "hex": "#5b0e21",
  "rgb": {
    "r": 91,
    "g": 14,
    "b": 33
  },
  "hsl": {
    "h": 345.195,
    "s": 73.333,
    "l": 20.588
  },
  "oklch": {
    "l": 0.31191,
    "c": 0.10845,
    "h": 12.7
  },
  "luminance": 0.02648
}

Semantic roles & 50–950 ramp

primary

#5B0E21

secondary

#30957C

accent

#F0C338

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0D0304

muted

#7E7879

Preview Lab

Preview with #5B0E21

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

Preview Lab → · Contrast checker → · Palette generator →