#531311#531311

#531311 is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.8% C 0.095 H 26.5°. Best body text is #FFFFFF at 14.30:1 contrast (WCAG AA passes).

Color values

HEX	#531311
RGB	rgb(83, 19, 17)
HSL	hsl(2, 66%, 20%)
HSV	hsv(2, 80%, 33%)
CMYK	cmyk(0%, 77.1%, 79.5%, 67.5%)
CIE-LAB	lab(17.21, 29.35, 18.55)
CIE-LCH	lch(17.21, 34.72, 32.29°)
OKLab	oklab(29.76% 0.085 0.0424)
OKLCH	oklch(29.76% 0.095 26.5)
XYZ	xyz(3.9018, 2.3458, 0.7775)
Luminance	0.0234 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#531311 #115153

analogous

#531130 #531311 #533411

triadic

#531311 #115313 #131153

tetradic

#531311 #305311 #115153 #341153

square

#531311 #305311 #115153 #341153

split-complementary

#531311 #115334 #113053

monochromatic

#190605 #200707 #531311 #861F1B #B92A26

Accessibility & contrast

On white

14.30

#531311 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#531311 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #531311

14.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##531311	#FFFFFF	#000000	##FFFFFF
##531311	1.00	14.30	1.47	14.30
#FFFFFF	14.30	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252110

Deuteranopia (green-blind)

#352F0F

Tritanopia (blue-blind)

#5C0013

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #531311;
/* rgb */ color: rgb(83, 19, 17);
/* oklch */ color: oklch(29.8% 0.095 26.5);

Tailwind

colors: {
  custom: {
    50: '#89564f',
    500: '#531311',
    950: '#000000',
  },
}

SCSS

$custom: #531311;
$custom-light: #89564f;
$custom-dark: #000000;

JSON

{
  "hex": "#531311",
  "rgb": {
    "r": 83,
    "g": 19,
    "b": 17
  },
  "hsl": {
    "h": 1.818,
    "s": 66,
    "l": 19.608
  },
  "oklch": {
    "l": 0.29756,
    "c": 0.09497,
    "h": 26.5
  },
  "luminance": 0.02345
}

Semantic roles & 50–950 ramp

primary

#531311

secondary

#348A8C

accent

#E4E93F

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0D0302

muted

#7D7878

Preview Lab

Preview with #531311

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

Preview Lab → · Contrast checker → · Palette generator →