#5B1513#5B1513

#5B1513 is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.6% C 0.102 H 26.5°. Best body text is #FFFFFF at 13.45:1 contrast (WCAG AA passes).

Color values

HEX	#5B1513
RGB	rgb(91, 21, 19)
HSL	hsl(2, 65%, 22%)
HSV	hsv(2, 79%, 36%)
CMYK	cmyk(0%, 76.9%, 79.1%, 64.3%)
CIE-LAB	lab(19.26, 31.55, 20.18)
CIE-LCH	lch(19.26, 37.46, 32.60°)
OKLab	oklab(31.61% 0.0913 0.0456)
OKLCH	oklch(31.61% 0.102 26.5)
XYZ	xyz(4.7006, 2.8082, 0.9105)
Luminance	0.0281 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1513 #13595B

analogous

#5B1335 #5B1513 #5B3913

triadic

#5B1513 #135B15 #15135B

tetradic

#5B1513 #355B13 #13595B #39135B

square

#5B1513 #355B13 #13595B #39135B

split-complementary

#5B1513 #135B39 #13355B

monochromatic

#190605 #280908 #5B1513 #8E211E #C02C28

Accessibility & contrast

On white

13.45

#5B1513 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#5B1513 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1513

13.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1513	#FFFFFF	#000000	##FFFFFF
##5B1513	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)

#292512

Deuteranopia (green-blind)

#3B3411

Tritanopia (blue-blind)

#650015

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #5b1513;
/* rgb */ color: rgb(91, 21, 19);
/* oklch */ color: oklch(31.6% 0.102 26.5);

Tailwind

colors: {
  custom: {
    50: '#905850',
    500: '#5b1513',
    950: '#000000',
  },
}

SCSS

$custom: #5b1513;
$custom-light: #905850;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1513",
  "rgb": {
    "r": 91,
    "g": 21,
    "b": 19
  },
  "hsl": {
    "h": 1.667,
    "s": 65.455,
    "l": 21.569
  },
  "oklch": {
    "l": 0.3161,
    "c": 0.10201,
    "h": 26.5
  },
  "luminance": 0.02807
}

Semantic roles & 50–950 ramp

primary

#5B1513

secondary

#379193

accent

#E4E83F

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0402

muted

#7E7978

Preview Lab

Preview with #5B1513

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

Preview Lab → · Contrast checker → · Palette generator →