#531010#531010

#531010 is a dark, moderate red. Relative luminance 0.022; OKLCH L 29.4% C 0.098 H 25.6°. Best body text is #FFFFFF at 14.49:1 contrast (WCAG AA passes).

Color values

HEX	#531010
RGB	rgb(83, 16, 16)
HSL	hsl(0, 68%, 19%)
HSV	hsv(0, 81%, 33%)
CMYK	cmyk(0%, 80.7%, 80.7%, 67.5%)
CIE-LAB	lab(16.74, 30.56, 18.54)
CIE-LCH	lch(16.74, 35.74, 31.24°)
OKLab	oklab(29.4% 0.0885 0.0425)
OKLCH	oklch(29.4% 0.098 25.6)
XYZ	xyz(3.8465, 2.2476, 0.7214)
Luminance	0.0225 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#531010 #105353

analogous

#531032 #531010 #533210

triadic

#531010 #105310 #101053

tetradic

#531010 #325310 #105353 #321053

square

#531010 #325310 #105353 #321053

split-complementary

#531010 #105332 #103253

monochromatic

#1A0505 #200606 #531010 #861A1A #BA2424

Accessibility & contrast

On white

14.49

#531010 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#531010 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #531010

14.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##531010	#FFFFFF	#000000	##FFFFFF
##531010	1.00	14.49	1.45	14.49
#FFFFFF	14.49	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24200F

Deuteranopia (green-blind)

#352F0E

Tritanopia (blue-blind)

#5C0011

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #531010;
/* rgb */ color: rgb(83, 16, 16);
/* oklch */ color: oklch(29.4% 0.098 25.6);

Tailwind

colors: {
  custom: {
    50: '#8a544e',
    500: '#531010',
    950: '#000000',
  },
}

SCSS

$custom: #531010;
$custom-light: #8a544e;
$custom-dark: #000000;

JSON

{
  "hex": "#531010",
  "rgb": {
    "r": 83,
    "g": 16,
    "b": 16
  },
  "hsl": {
    "h": 0,
    "s": 67.677,
    "l": 19.412
  },
  "oklch": {
    "l": 0.294,
    "c": 0.09819,
    "h": 25.6
  },
  "luminance": 0.02247
}

Semantic roles & 50–950 ramp

primary

#531010

secondary

#328D8D

accent

#EBEB3D

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0301

muted

#7E7877

Preview Lab

Preview with #531010

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

Preview Lab → · Contrast checker → · Palette generator →