#581017#581017

#581017 is a dark, moderate red. Relative luminance 0.025; OKLCH L 30.5% C 0.103 H 20.9°. Best body text is #FFFFFF at 13.99:1 contrast (WCAG AA passes).

Color values

HEX	#581017
RGB	rgb(88, 16, 23)
HSL	hsl(354, 69%, 20%)
HSV	hsv(354, 82%, 35%)
CMYK	cmyk(0%, 81.8%, 73.9%, 65.5%)
CIE-LAB	lab(17.95, 32.70, 15.77)
CIE-LCH	lch(17.95, 36.31, 25.75°)
OKLab	oklab(30.54% 0.0963 0.0369)
OKLCH	oklch(30.54% 0.103 20.9)
XYZ	xyz(4.3649, 2.5078, 1.0647)
Luminance	0.0251 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581017 #105851

analogous

#58103B #581017 #582D10

triadic

#581017 #175810 #101758

tetradic

#581017 #3B5810 #105851 #2D1058

square

#581017 #3B5810 #105851 #2D1058

split-complementary

#581017 #10582D #103B58

monochromatic

#1A0507 #240709 #581017 #8C1925 #C02332

Accessibility & contrast

On white

13.99

#581017 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#581017 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581017

13.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581017	#FFFFFF	#000000	##FFFFFF
##581017	1.00	13.99	1.50	13.99
#FFFFFF	13.99	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252217

Deuteranopia (green-blind)

#373115

Tritanopia (blue-blind)

#610013

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #581017;
/* rgb */ color: rgb(88, 16, 23);
/* oklch */ color: oklch(30.5% 0.103 20.9);

Tailwind

colors: {
  custom: {
    50: '#8d5553',
    500: '#581017',
    950: '#000000',
  },
}

SCSS

$custom: #581017;
$custom-light: #8d5553;
$custom-dark: #000000;

JSON

{
  "hex": "#581017",
  "rgb": {
    "r": 88,
    "g": 16,
    "b": 23
  },
  "hsl": {
    "h": 354.167,
    "s": 69.231,
    "l": 20.392
  },
  "oklch": {
    "l": 0.30542,
    "c": 0.10314,
    "h": 20.9
  },
  "luminance": 0.02507
}

Semantic roles & 50–950 ramp

primary

#581017

secondary

#329188

accent

#ECDB3C

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0302

muted

#7E7878

Preview Lab

Preview with #581017

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

Preview Lab → · Contrast checker → · Palette generator →