#581313#581313

#581313 is a dark, moderate red. Relative luminance 0.026; OKLCH L 30.8% C 0.101 H 25.3°. Best body text is #FFFFFF at 13.84:1 contrast (WCAG AA passes).

Color values

HEX	#581313
RGB	rgb(88, 19, 19)
HSL	hsl(0, 64%, 21%)
HSV	hsv(0, 78%, 35%)
CMYK	cmyk(0%, 78.4%, 78.4%, 65.5%)
CIE-LAB	lab(18.31, 31.30, 18.91)
CIE-LCH	lch(18.31, 36.57, 31.14°)
OKLab	oklab(30.79% 0.0909 0.043)
OKLCH	oklch(30.79% 0.101 25.3)
XYZ	xyz(4.3754, 2.5881, 0.8851)
Luminance	0.0259 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581313 #135858

analogous

#581335 #581313 #583513

triadic

#581313 #135813 #131358

tetradic

#581313 #355813 #135858 #351358

square

#581313 #355813 #135858 #351358

split-complementary

#581313 #135835 #133558

monochromatic

#190505 #260808 #581313 #8A1E1E #BD2929

Accessibility & contrast

On white

13.84

#581313 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#581313 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581313

13.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581313	#FFFFFF	#000000	##FFFFFF
##581313	1.00	13.84	1.52	13.84
#FFFFFF	13.84	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#272312

Deuteranopia (green-blind)

#383211

Tritanopia (blue-blind)

#620014

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #581313;
/* rgb */ color: rgb(88, 19, 19);
/* oklch */ color: oklch(30.8% 0.101 25.3);

Tailwind

colors: {
  custom: {
    50: '#8d5750',
    500: '#581313',
    950: '#000000',
  },
}

SCSS

$custom: #581313;
$custom-light: #8d5750;
$custom-dark: #000000;

JSON

{
  "hex": "#581313",
  "rgb": {
    "r": 88,
    "g": 19,
    "b": 19
  },
  "hsl": {
    "h": 0,
    "s": 64.486,
    "l": 20.98
  },
  "oklch": {
    "l": 0.30787,
    "c": 0.10056,
    "h": 25.3
  },
  "luminance": 0.02587
}

Semantic roles & 50–950 ramp

primary

#581313

secondary

#379090

accent

#E7E740

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0D0302

muted

#7E7878

Preview Lab

Preview with #581313

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

Preview Lab → · Contrast checker → · Palette generator →