#5B1013#5B1013

#5B1013 is a dark, moderate red. Relative luminance 0.026; OKLCH L 31.1% C 0.107 H 24.2°. Best body text is #FFFFFF at 13.74:1 contrast (WCAG AA passes).

Color values

HEX	#5B1013
RGB	rgb(91, 16, 19)
HSL	hsl(358, 70%, 21%)
HSV	hsv(358, 82%, 36%)
CMYK	cmyk(0%, 82.4%, 79.1%, 64.3%)
CIE-LAB	lab(18.55, 33.52, 19.36)
CIE-LCH	lch(18.55, 38.71, 30.01°)
OKLab	oklab(31.08% 0.0975 0.0438)
OKLCH	oklch(31.08% 0.107 24.2)
XYZ	xyz(4.6178, 2.6425, 0.8829)
Luminance	0.0264 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1013 #105B58

analogous

#5B1038 #5B1013 #5B3210

triadic

#5B1013 #135B10 #10135B

tetradic

#5B1013 #385B10 #105B58 #32105B

square

#5B1013 #385B10 #105B58 #32105B

split-complementary

#5B1013 #105B32 #10385B

monochromatic

#1A0505 #270708 #5B1013 #8F191E #C32229

Accessibility & contrast

On white

13.74

#5B1013 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#5B1013 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1013

13.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1013	#FFFFFF	#000000	##FFFFFF
##5B1013	1.00	13.74	1.53	13.74
#FFFFFF	13.74	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#272312

Deuteranopia (green-blind)

#393310

Tritanopia (blue-blind)

#650012

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #5b1013;
/* rgb */ color: rgb(91, 16, 19);
/* oklch */ color: oklch(31.1% 0.107 24.2);

Tailwind

colors: {
  custom: {
    50: '#905650',
    500: '#5b1013',
    950: '#000000',
  },
}

SCSS

$custom: #5b1013;
$custom-light: #905650;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1013",
  "rgb": {
    "r": 91,
    "g": 16,
    "b": 19
  },
  "hsl": {
    "h": 357.6,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.31083,
    "c": 0.10689,
    "h": 24.2
  },
  "luminance": 0.02642
}

Semantic roles & 50–950 ramp

primary

#5B1013

secondary

#339490

accent

#EDE63B

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0302

muted

#7E7878

Preview Lab

Preview with #5B1013

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

Preview Lab → · Contrast checker → · Palette generator →