#581710#581710

#581710 is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.2% C 0.097 H 29.7°. Best body text is #FFFFFF at 13.59:1 contrast (WCAG AA passes).

Color values

HEX	#581710
RGB	rgb(88, 23, 16)
HSL	hsl(6, 69%, 20%)
HSV	hsv(6, 82%, 35%)
CMYK	cmyk(0%, 73.9%, 81.8%, 65.5%)
CIE-LAB	lab(18.91, 29.40, 21.40)
CIE-LCH	lch(18.91, 36.36, 36.05°)
OKLab	oklab(31.22% 0.0842 0.048)
OKLCH	oklch(31.22% 0.097 29.7)
XYZ	xyz(4.4249, 2.7256, 0.7832)
Luminance	0.0272 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581710 #105158

analogous

#58102D #581710 #583B10

triadic

#581710 #105817 #171058

tetradic

#581710 #2D5810 #105158 #3B1058

square

#581710 #2D5810 #105158 #3B1058

split-complementary

#581710 #10583B #102D58

monochromatic

#1A0705 #240907 #581710 #8C2519 #C03223

Accessibility & contrast

On white

13.59

#581710 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#581710 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581710

13.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581710	#FFFFFF	#000000	##FFFFFF
##581710	1.00	13.59	1.55	13.59
#FFFFFF	13.59	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A250F

Deuteranopia (green-blind)

#3A330E

Tritanopia (blue-blind)

#620416

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #581710;
/* rgb */ color: rgb(88, 23, 16);
/* oklch */ color: oklch(31.2% 0.097 29.7);

Tailwind

colors: {
  custom: {
    50: '#8d594e',
    500: '#581710',
    950: '#000000',
  },
}

SCSS

$custom: #581710;
$custom-light: #8d594e;
$custom-dark: #000000;

JSON

{
  "hex": "#581710",
  "rgb": {
    "r": 88,
    "g": 23,
    "b": 16
  },
  "hsl": {
    "h": 5.833,
    "s": 69.231,
    "l": 20.392
  },
  "oklch": {
    "l": 0.3122,
    "c": 0.09691,
    "h": 29.7
  },
  "luminance": 0.02725
}

Semantic roles & 50–950 ramp

primary

#581710

secondary

#328891

accent

#DBEC3C

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0D0401

muted

#7E7977

Preview Lab

Preview with #581710

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

Preview Lab → · Contrast checker → · Palette generator →