#531111#531111

#531111 is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.5% C 0.097 H 25.4°. Best body text is #FFFFFF at 14.42:1 contrast (WCAG AA passes).

Color values

HEX	#531111
RGB	rgb(83, 17, 17)
HSL	hsl(0, 66%, 20%)
HSV	hsv(0, 80%, 33%)
CMYK	cmyk(0%, 79.5%, 79.5%, 67.5%)
CIE-LAB	lab(16.90, 30.20, 18.17)
CIE-LCH	lch(16.90, 35.24, 31.03°)
OKLab	oklab(29.53% 0.0877 0.0417)
OKLCH	oklch(29.53% 0.097 25.4)
XYZ	xyz(3.8693, 2.2810, 0.7667)
Luminance	0.0228 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#531111 #115353

analogous

#531132 #531111 #533211

triadic

#531111 #115311 #111153

tetradic

#531111 #325311 #115353 #321153

square

#531111 #325311 #115353 #321153

split-complementary

#531111 #115332 #113253

monochromatic

#190505 #200707 #531111 #861B1B #B92626

Accessibility & contrast

On white

14.42

#531111 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#531111 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #531111

14.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##531111	#FFFFFF	#000000	##FFFFFF
##531111	1.00	14.42	1.46	14.42
#FFFFFF	14.42	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#242110

Deuteranopia (green-blind)

#352F0F

Tritanopia (blue-blind)

#5C0012

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #531111;
/* rgb */ color: rgb(83, 17, 17);
/* oklch */ color: oklch(29.5% 0.097 25.4);

Tailwind

colors: {
  custom: {
    50: '#89554f',
    500: '#531111',
    950: '#000000',
  },
}

SCSS

$custom: #531111;
$custom-light: #89554f;
$custom-dark: #000000;

JSON

{
  "hex": "#531111",
  "rgb": {
    "r": 83,
    "g": 17,
    "b": 17
  },
  "hsl": {
    "h": 0,
    "s": 66,
    "l": 19.608
  },
  "oklch": {
    "l": 0.29525,
    "c": 0.09705,
    "h": 25.4
  },
  "luminance": 0.0228
}

Semantic roles & 50–950 ramp

primary

#531111

secondary

#348C8C

accent

#E9E93F

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0301

muted

#7E7877

Preview Lab

Preview with #531111

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

Preview Lab → · Contrast checker → · Palette generator →