#531011#531011

#531011 is a dark, moderate red. Relative luminance 0.022; OKLCH L 29.4% C 0.098 H 24.9°. Best body text is #FFFFFF at 14.48:1 contrast (WCAG AA passes).

Color values

HEX	#531011
RGB	rgb(83, 16, 17)
HSL	hsl(359, 68%, 19%)
HSV	hsv(359, 81%, 33%)
CMYK	cmyk(0%, 80.7%, 79.5%, 67.5%)
CIE-LAB	lab(16.75, 30.61, 17.99)
CIE-LCH	lch(16.75, 35.50, 30.44°)
OKLab	oklab(29.42% 0.0889 0.0413)
OKLCH	oklch(29.42% 0.098 24.9)
XYZ	xyz(3.8542, 2.2506, 0.7617)
Luminance	0.0225 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#531011 #105352

analogous

#531033 #531011 #533110

triadic

#531011 #115310 #101153

tetradic

#531011 #335310 #105352 #311053

square

#531011 #335310 #105352 #311053

split-complementary

#531011 #105331 #103353

monochromatic

#1A0505 #200606 #531011 #861A1C #BA2426

Accessibility & contrast

On white

14.48

#531011 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#531011 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #531011

14.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##531011	#FFFFFF	#000000	##FFFFFF
##531011	1.00	14.48	1.45	14.48
#FFFFFF	14.48	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#242010

Deuteranopia (green-blind)

#342F0F

Tritanopia (blue-blind)

#5C0011

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #531011;
/* rgb */ color: rgb(83, 16, 17);
/* oklch */ color: oklch(29.4% 0.098 24.9);

Tailwind

colors: {
  custom: {
    50: '#8a544f',
    500: '#531011',
    950: '#000000',
  },
}

SCSS

$custom: #531011;
$custom-light: #8a544f;
$custom-dark: #000000;

JSON

{
  "hex": "#531011",
  "rgb": {
    "r": 83,
    "g": 16,
    "b": 17
  },
  "hsl": {
    "h": 359.104,
    "s": 67.677,
    "l": 19.412
  },
  "oklch": {
    "l": 0.29416,
    "c": 0.09805,
    "h": 24.9
  },
  "luminance": 0.0225
}

Semantic roles & 50–950 ramp

primary

#531011

secondary

#328D8B

accent

#EBE83D

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0301

muted

#7E7877

Preview Lab

Preview with #531011

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

Preview Lab → · Contrast checker → · Palette generator →