#5B1512#5B1512

#5B1512 is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.6% C 0.102 H 27.2°. Best body text is #FFFFFF at 13.45:1 contrast (WCAG AA passes).

Color values

HEX	#5B1512
RGB	rgb(91, 21, 18)
HSL	hsl(2, 67%, 21%)
HSV	hsv(2, 80%, 36%)
CMYK	cmyk(0%, 76.9%, 80.2%, 64.3%)
CIE-LAB	lab(19.25, 31.50, 20.79)
CIE-LCH	lch(19.25, 37.74, 33.42°)
OKLab	oklab(31.6% 0.0909 0.0467)
OKLCH	oklch(31.6% 0.102 27.2)
XYZ	xyz(4.6923, 2.8049, 0.8665)
Luminance	0.0280 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1512 #12585B

analogous

#5B1234 #5B1512 #5B3A12

triadic

#5B1512 #125B15 #15125B

tetradic

#5B1512 #345B12 #12585B #3A125B

square

#5B1512 #345B12 #12585B #3A125B

split-complementary

#5B1512 #125B3A #12345B

monochromatic

#1A0605 #280908 #5B1512 #8E211C #C12D26

Accessibility & contrast

On white

13.45

#5B1512 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#5B1512 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1512

13.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1512	#FFFFFF	#000000	##FFFFFF
##5B1512	1.00	13.45	1.56	13.45
#FFFFFF	13.45	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292511

Deuteranopia (green-blind)

#3B340F

Tritanopia (blue-blind)

#650015

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #5b1512;
/* rgb */ color: rgb(91, 21, 18);
/* oklch */ color: oklch(31.6% 0.102 27.2);

Tailwind

colors: {
  custom: {
    50: '#905850',
    500: '#5b1512',
    950: '#000000',
  },
}

SCSS

$custom: #5b1512;
$custom-light: #905850;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1512",
  "rgb": {
    "r": 91,
    "g": 21,
    "b": 18
  },
  "hsl": {
    "h": 2.466,
    "s": 66.972,
    "l": 21.373
  },
  "oklch": {
    "l": 0.31595,
    "c": 0.10218,
    "h": 27.2
  },
  "luminance": 0.02804
}

Semantic roles & 50–950 ramp

primary

#5B1512

secondary

#359093

accent

#E3EA3E

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0302

muted

#7E7878

Preview Lab

Preview with #5B1512

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

Preview Lab → · Contrast checker → · Palette generator →