#531017#531017

#531017 is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.5% C 0.097 H 20.1°. Best body text is #FFFFFF at 14.44:1 contrast (WCAG AA passes).

Color values

HEX	#531017
RGB	rgb(83, 16, 23)
HSL	hsl(354, 68%, 19%)
HSV	hsv(354, 81%, 33%)
CMYK	cmyk(0%, 80.7%, 72.3%, 67.5%)
CIE-LAB	lab(16.85, 30.95, 14.17)
CIE-LCH	lch(16.85, 34.04, 24.59°)
OKLab	oklab(29.53% 0.0915 0.0335)
OKLCH	oklch(29.53% 0.097 20.1)
XYZ	xyz(3.9076, 2.2720, 1.0432)
Luminance	0.0227 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#531017 #10534C

analogous

#531039 #531017 #532B10

triadic

#531017 #175310 #101753

tetradic

#531017 #395310 #10534C #2B1053

square

#531017 #395310 #10534C #2B1053

split-complementary

#531017 #10532B #103953

monochromatic

#1A0507 #200609 #531017 #861A25 #BA2433

Accessibility & contrast

On white

14.44

#531017 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#531017 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #531017

14.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##531017	#FFFFFF	#000000	##FFFFFF
##531017	1.00	14.44	1.45	14.44
#FFFFFF	14.44	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#232117

Deuteranopia (green-blind)

#342F15

Tritanopia (blue-blind)

#5C0013

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #531017;
/* rgb */ color: rgb(83, 16, 23);
/* oklch */ color: oklch(29.5% 0.097 20.1);

Tailwind

colors: {
  custom: {
    50: '#895553',
    500: '#531017',
    950: '#000000',
  },
}

SCSS

$custom: #531017;
$custom-light: #895553;
$custom-dark: #000000;

JSON

{
  "hex": "#531017",
  "rgb": {
    "r": 83,
    "g": 16,
    "b": 23
  },
  "hsl": {
    "h": 353.731,
    "s": 67.677,
    "l": 19.412
  },
  "oklch": {
    "l": 0.29526,
    "c": 0.09746,
    "h": 20.1
  },
  "luminance": 0.02271
}

Semantic roles & 50–950 ramp

primary

#531017

secondary

#328D83

accent

#EBD83D

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0302

muted

#7D7878

Preview Lab

Preview with #531017

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

Preview Lab → · Contrast checker → · Palette generator →