#581D17#581D17

#581D17 is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.2% C 0.089 H 28.7°. Best body text is #FFFFFF at 13.10:1 contrast (WCAG AA passes).

Color values

HEX	#581D17
RGB	rgb(88, 29, 23)
HSL	hsl(6, 59%, 22%)
HSV	hsv(6, 74%, 35%)
CMYK	cmyk(0%, 67%, 73.9%, 65.5%)
CIE-LAB	lab(20.11, 26.83, 18.38)
CIE-LCH	lch(20.11, 32.52, 34.42°)
OKLab	oklab(32.15% 0.0778 0.0426)
OKLCH	oklch(32.15% 0.089 28.7)
XYZ	xyz(4.6190, 3.0159, 1.1494)
Luminance	0.0301 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581D17 #175258

analogous

#581732 #581D17 #583E17

triadic

#581D17 #17581D #1D1758

tetradic

#581D17 #325817 #175258 #3E1758

square

#581D17 #325817 #175258 #3E1758

split-complementary

#581D17 #17583E #173258

monochromatic

#180806 #270D0A #581D17 #892D24 #B93D30

Accessibility & contrast

On white

13.10

#581D17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#581D17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581D17

13.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581D17	#FFFFFF	#000000	##FFFFFF
##581D17	1.00	13.10	1.60	13.10
#FFFFFF	13.10	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2816

Deuteranopia (green-blind)

#3C3515

Tritanopia (blue-blind)

#61101C

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #581d17;
/* rgb */ color: rgb(88, 29, 23);
/* oklch */ color: oklch(32.2% 0.089 28.7);

Tailwind

colors: {
  custom: {
    50: '#8c5c54',
    500: '#581d17',
    950: '#000000',
  },
}

SCSS

$custom: #581d17;
$custom-light: #8c5c54;
$custom-dark: #000000;

JSON

{
  "hex": "#581d17",
  "rgb": {
    "r": 88,
    "g": 29,
    "b": 23
  },
  "hsl": {
    "h": 5.538,
    "s": 58.559,
    "l": 21.765
  },
  "oklch": {
    "l": 0.32152,
    "c": 0.08867,
    "h": 28.7
  },
  "luminance": 0.03015
}

Semantic roles & 50–950 ramp

primary

#581D17

secondary

#3C878F

accent

#D3E246

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0402

muted

#7E7978

Preview Lab

Preview with #581D17

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

Preview Lab → · Contrast checker → · Palette generator →