#581510#581510

#581510 is a dark, moderate red. Relative luminance 0.026; OKLCH L 31.0% C 0.099 H 28.5°. Best body text is #FFFFFF at 13.73:1 contrast (WCAG AA passes).

Color values

HEX	#581510
RGB	rgb(88, 21, 16)
HSL	hsl(4, 69%, 20%)
HSV	hsv(4, 82%, 35%)
CMYK	cmyk(0%, 76.1%, 81.8%, 65.5%)
CIE-LAB	lab(18.58, 30.30, 21.01)
CIE-LCH	lch(18.58, 36.87, 34.74°)
OKLab	oklab(30.97% 0.087 0.0472)
OKLCH	oklch(30.97% 0.099 28.5)
XYZ	xyz(4.3867, 2.6491, 0.7705)
Luminance	0.0265 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581510 #105358

analogous

#58102F #581510 #583910

triadic

#581510 #105815 #151058

tetradic

#581510 #2F5810 #105358 #391058

square

#581510 #2F5810 #105358 #391058

split-complementary

#581510 #105839 #102F58

monochromatic

#1A0605 #240907 #581510 #8C2119 #C02E23

Accessibility & contrast

On white

13.73

#581510 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#581510 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581510

13.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581510	#FFFFFF	#000000	##FFFFFF
##581510	1.00	13.73	1.53	13.73
#FFFFFF	13.73	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28240F

Deuteranopia (green-blind)

#39330D

Tritanopia (blue-blind)

#620014

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #581510;
/* rgb */ color: rgb(88, 21, 16);
/* oklch */ color: oklch(31.0% 0.099 28.5);

Tailwind

colors: {
  custom: {
    50: '#8e584e',
    500: '#581510',
    950: '#000000',
  },
}

SCSS

$custom: #581510;
$custom-light: #8e584e;
$custom-dark: #000000;

JSON

{
  "hex": "#581510",
  "rgb": {
    "r": 88,
    "g": 21,
    "b": 16
  },
  "hsl": {
    "h": 4.167,
    "s": 69.231,
    "l": 20.392
  },
  "oklch": {
    "l": 0.30974,
    "c": 0.09899,
    "h": 28.5
  },
  "luminance": 0.02648
}

Semantic roles & 50–950 ramp

primary

#581510

secondary

#328B91

accent

#E0EC3C

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0D0301

muted

#7E7877

Preview Lab

Preview with #581510

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

Preview Lab → · Contrast checker → · Palette generator →