#5B1110#5B1110

#5B1110 is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.1% C 0.106 H 26.5°. Best body text is #FFFFFF at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#5B1110
RGB	rgb(91, 17, 16)
HSL	hsl(1, 70%, 21%)
HSV	hsv(1, 82%, 36%)
CMYK	cmyk(0%, 81.3%, 82.4%, 64.3%)
CIE-LAB	lab(18.64, 33.01, 21.25)
CIE-LCH	lch(18.64, 39.26, 32.77°)
OKLab	oklab(31.14% 0.0952 0.0475)
OKLCH	oklch(31.14% 0.106 26.5)
XYZ	xyz(4.6089, 2.6632, 0.7615)
Luminance	0.0266 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1110 #105A5B

analogous

#5B1034 #5B1110 #5B3610

triadic

#5B1110 #105B11 #11105B

tetradic

#5B1110 #345B10 #105A5B #36105B

square

#5B1110 #345B10 #105A5B #36105B

split-complementary

#5B1110 #105B36 #10345B

monochromatic

#1A0505 #270707 #5B1110 #8F1B19 #C32422

Accessibility & contrast

On white

13.70

#5B1110 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#5B1110 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1110

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1110	#FFFFFF	#000000	##FFFFFF
##5B1110	1.00	13.70	1.53	13.70
#FFFFFF	13.70	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28230F

Deuteranopia (green-blind)

#3A330D

Tritanopia (blue-blind)

#650012

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #5b1110;
/* rgb */ color: rgb(91, 17, 16);
/* oklch */ color: oklch(31.1% 0.106 26.5);

Tailwind

colors: {
  custom: {
    50: '#90564e',
    500: '#5b1110',
    950: '#000000',
  },
}

SCSS

$custom: #5b1110;
$custom-light: #90564e;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1110",
  "rgb": {
    "r": 91,
    "g": 17,
    "b": 16
  },
  "hsl": {
    "h": 0.8,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.31137,
    "c": 0.10636,
    "h": 26.5
  },
  "luminance": 0.02662
}

Semantic roles & 50–950 ramp

primary

#5B1110

secondary

#339394

accent

#EBED3B

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0301

muted

#7E7877

Preview Lab

Preview with #5B1110

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

Preview Lab → · Contrast checker → · Palette generator →