#5B0F1B#5B0F1B

#5B0F1B is a dark, moderate red. Relative luminance 0.026; OKLCH L 31.1% C 0.107 H 17.9°. Best body text is #FFFFFF at 13.73:1 contrast (WCAG AA passes).

Color values

HEX	#5B0F1B
RGB	rgb(91, 15, 27)
HSL	hsl(351, 72%, 21%)
HSV	hsv(351, 84%, 36%)
CMYK	cmyk(0%, 83.5%, 70.3%, 64.3%)
CIE-LAB	lab(18.56, 34.32, 13.87)
CIE-LCH	lch(18.56, 37.02, 22.01°)
OKLab	oklab(31.14% 0.102 0.0331)
OKLCH	oklch(31.14% 0.107 17.9)
XYZ	xyz(4.6835, 2.6456, 1.3007)
Luminance	0.0265 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B0F1B #0F5B4F

analogous

#5B0F41 #5B0F1B #5B290F

triadic

#5B0F1B #1B5B0F #0F1B5B

tetradic

#5B0F1B #415B0F #0F5B4F #290F5B

square

#5B0F1B #415B0F #0F5B4F #290F5B

split-complementary

#5B0F1B #0F5B29 #0F415B

monochromatic

#1A0408 #26060B #5B0F1B #90182B #C4203A

Accessibility & contrast

On white

13.73

#5B0F1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#5B0F1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B0F1B

13.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B0F1B	#FFFFFF	#000000	##FFFFFF
##5B0F1B	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)

#25231B

Deuteranopia (green-blind)

#383319

Tritanopia (blue-blind)

#650014

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #5b0f1b;
/* rgb */ color: rgb(91, 15, 27);
/* oklch */ color: oklch(31.1% 0.107 17.9);

Tailwind

colors: {
  custom: {
    50: '#8f5657',
    500: '#5b0f1b',
    950: '#000000',
  },
}

SCSS

$custom: #5b0f1b;
$custom-light: #8f5657;
$custom-dark: #000000;

JSON

{
  "hex": "#5b0f1b",
  "rgb": {
    "r": 91,
    "g": 15,
    "b": 27
  },
  "hsl": {
    "h": 350.526,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.31138,
    "c": 0.10725,
    "h": 17.9
  },
  "luminance": 0.02645
}

Semantic roles & 50–950 ramp

primary

#5B0F1B

secondary

#319585

accent

#EED239

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0D0303

muted

#7E7878

Preview Lab

Preview with #5B0F1B

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

Preview Lab → · Contrast checker → · Palette generator →