#581F17#581F17

#581F17 is a dark, moderate red. Relative luminance 0.031; OKLCH L 32.5% C 0.086 H 30.4°. Best body text is #FFFFFF at 12.94:1 contrast (WCAG AA passes).

Color values

HEX	#581F17
RGB	rgb(88, 31, 23)
HSL	hsl(7, 59%, 22%)
HSV	hsv(7, 74%, 35%)
CMYK	cmyk(0%, 64.8%, 73.9%, 65.5%)
CIE-LAB	lab(20.51, 25.77, 18.86)
CIE-LCH	lch(20.51, 31.93, 36.20°)
OKLab	oklab(32.45% 0.0745 0.0437)
OKLCH	oklch(32.45% 0.086 30.4)
XYZ	xyz(4.6696, 3.1172, 1.1662)
Luminance	0.0312 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581F17 #175058

analogous

#581730 #581F17 #584017

triadic

#581F17 #17581F #1F1758

tetradic

#581F17 #305817 #175058 #401758

square

#581F17 #305817 #175058 #401758

split-complementary

#581F17 #175840 #173058

monochromatic

#180906 #270E0A #581F17 #893024 #B94130

Accessibility & contrast

On white

12.94

#581F17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#581F17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581F17

12.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581F17	#FFFFFF	#000000	##FFFFFF
##581F17	1.00	12.94	1.62	12.94
#FFFFFF	12.94	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2A16

Deuteranopia (green-blind)

#3C3615

Tritanopia (blue-blind)

#61131D

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #581f17;
/* rgb */ color: rgb(88, 31, 23);
/* oklch */ color: oklch(32.5% 0.086 30.4);

Tailwind

colors: {
  custom: {
    50: '#8c5d54',
    500: '#581f17',
    950: '#000000',
  },
}

SCSS

$custom: #581f17;
$custom-light: #8c5d54;
$custom-dark: #000000;

JSON

{
  "hex": "#581f17",
  "rgb": {
    "r": 88,
    "g": 31,
    "b": 23
  },
  "hsl": {
    "h": 7.385,
    "s": 58.559,
    "l": 21.765
  },
  "oklch": {
    "l": 0.32454,
    "c": 0.08632,
    "h": 30.4
  },
  "luminance": 0.03117
}

Semantic roles & 50–950 ramp

primary

#581F17

secondary

#3C858F

accent

#CFE246

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0402

muted

#7E7978

Preview Lab

Preview with #581F17

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

Preview Lab → · Contrast checker → · Palette generator →