#581019#581019

#581019 is a dark, moderate red. Relative luminance 0.025; OKLCH L 30.6% C 0.103 H 19.3°. Best body text is #FFFFFF at 13.97:1 contrast (WCAG AA passes).

Color values

HEX	#581019
RGB	rgb(88, 16, 25)
HSL	hsl(353, 69%, 20%)
HSV	hsv(353, 82%, 35%)
CMYK	cmyk(0%, 81.8%, 71.6%, 65.5%)
CIE-LAB	lab(17.99, 32.82, 14.42)
CIE-LCH	lch(17.99, 35.85, 23.72°)
OKLab	oklab(30.58% 0.0972 0.0341)
OKLCH	oklch(30.58% 0.103 19.3)
XYZ	xyz(4.3857, 2.5161, 1.1742)
Luminance	0.0251 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581019 #10584F

analogous

#58103D #581019 #582B10

triadic

#581019 #195810 #101958

tetradic

#581019 #3D5810 #10584F #2B1058

square

#581019 #3D5810 #10584F #2B1058

split-complementary

#581019 #10582B #103D58

monochromatic

#1A0507 #24070A #581019 #8C1928 #C02336

Accessibility & contrast

On white

13.97

#581019 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#581019 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581019

13.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581019	#FFFFFF	#000000	##FFFFFF
##581019	1.00	13.97	1.50	13.97
#FFFFFF	13.97	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252219

Deuteranopia (green-blind)

#373117

Tritanopia (blue-blind)

#610014

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #581019;
/* rgb */ color: rgb(88, 16, 25);
/* oklch */ color: oklch(30.6% 0.103 19.3);

Tailwind

colors: {
  custom: {
    50: '#8d5555',
    500: '#581019',
    950: '#000000',
  },
}

SCSS

$custom: #581019;
$custom-light: #8d5555;
$custom-dark: #000000;

JSON

{
  "hex": "#581019",
  "rgb": {
    "r": 88,
    "g": 16,
    "b": 25
  },
  "hsl": {
    "h": 352.5,
    "s": 69.231,
    "l": 20.392
  },
  "oklch": {
    "l": 0.30582,
    "c": 0.10303,
    "h": 19.3
  },
  "luminance": 0.02515
}

Semantic roles & 50–950 ramp

primary

#581019

secondary

#329185

accent

#ECD63C

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0303

muted

#7E7878

Preview Lab

Preview with #581019

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

Preview Lab → · Contrast checker → · Palette generator →