#531817#531817

#531817 is a dark, moderate red. Relative luminance 0.026; OKLCH L 30.5% C 0.088 H 24.9°. Best body text is #FFFFFF at 13.90:1 contrast (WCAG AA passes).

Color values

HEX	#531817
RGB	rgb(83, 24, 23)
HSL	hsl(1, 57%, 21%)
HSV	hsv(1, 72%, 33%)
CMYK	cmyk(0%, 71.1%, 72.3%, 67.5%)
CIE-LAB	lab(18.16, 27.37, 15.80)
CIE-LCH	lch(18.16, 31.60, 29.99°)
OKLab	oklab(30.5% 0.0801 0.0371)
OKLCH	oklch(30.5% 0.088 24.9)
XYZ	xyz(4.0490, 2.5547, 1.0903)
Luminance	0.0255 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#531817 #175253

analogous

#531734 #531817 #533617

triadic

#531817 #175318 #181753

tetradic

#531817 #345317 #175253 #361753

square

#531817 #345317 #175253 #361753

split-complementary

#531817 #175336 #173453

monochromatic

#180707 #230A0A #531817 #832624 #B33432

Accessibility & contrast

On white

13.90

#531817 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#531817 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #531817

13.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##531817	#FFFFFF	#000000	##FFFFFF
##531817	1.00	13.90	1.51	13.90
#FFFFFF	13.90	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282416

Deuteranopia (green-blind)

#373115

Tritanopia (blue-blind)

#5C0A18

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #531817;
/* rgb */ color: rgb(83, 24, 23);
/* oklch */ color: oklch(30.5% 0.088 24.9);

Tailwind

colors: {
  custom: {
    50: '#885854',
    500: '#531817',
    950: '#000000',
  },
}

SCSS

$custom: #531817;
$custom-light: #885854;
$custom-dark: #000000;

JSON

{
  "hex": "#531817",
  "rgb": {
    "r": 83,
    "g": 24,
    "b": 23
  },
  "hsl": {
    "h": 1,
    "s": 56.604,
    "l": 20.784
  },
  "oklch": {
    "l": 0.30504,
    "c": 0.08831,
    "h": 24.9
  },
  "luminance": 0.02554
}

Semantic roles & 50–950 ramp

primary

#531817

secondary

#3C898A

accent

#DDE048

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0302

muted

#7D7878

Preview Lab

Preview with #531817

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

Preview Lab → · Contrast checker → · Palette generator →