#581311#581311

#581311 is a dark, moderate red. Relative luminance 0.026; OKLCH L 30.8% C 0.101 H 26.7°. Best body text is #FFFFFF at 13.85:1 contrast (WCAG AA passes).

Color values

HEX	#581311
RGB	rgb(88, 19, 17)
HSL	hsl(2, 68%, 21%)
HSV	hsv(2, 81%, 35%)
CMYK	cmyk(0%, 78.4%, 80.7%, 65.5%)
CIE-LAB	lab(18.28, 31.20, 20.10)
CIE-LCH	lch(18.28, 37.11, 32.79°)
OKLab	oklab(30.76% 0.0901 0.0454)
OKLCH	oklch(30.76% 0.101 26.7)
XYZ	xyz(4.3591, 2.5816, 0.7990)
Luminance	0.0258 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581311 #115658

analogous

#581132 #581311 #583611

triadic

#581311 #115813 #131158

tetradic

#581311 #325811 #115658 #361158

square

#581311 #325811 #115658 #361158

split-complementary

#581311 #115836 #113258

monochromatic

#1A0605 #250807 #581311 #8B1E1B #BF2925

Accessibility & contrast

On white

13.85

#581311 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#581311 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581311

13.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581311	#FFFFFF	#000000	##FFFFFF
##581311	1.00	13.85	1.52	13.85
#FFFFFF	13.85	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#272310

Deuteranopia (green-blind)

#38320E

Tritanopia (blue-blind)

#620013

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #581311;
/* rgb */ color: rgb(88, 19, 17);
/* oklch */ color: oklch(30.8% 0.101 26.7);

Tailwind

colors: {
  custom: {
    50: '#8e574f',
    500: '#581311',
    950: '#000000',
  },
}

SCSS

$custom: #581311;
$custom-light: #8e574f;
$custom-dark: #000000;

JSON

{
  "hex": "#581311",
  "rgb": {
    "r": 88,
    "g": 19,
    "b": 17
  },
  "hsl": {
    "h": 1.69,
    "s": 67.619,
    "l": 20.588
  },
  "oklch": {
    "l": 0.30756,
    "c": 0.10086,
    "h": 26.7
  },
  "luminance": 0.02581
}

Semantic roles & 50–950 ramp

primary

#581311

secondary

#348E91

accent

#E6EA3D

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0D0302

muted

#7E7878

Preview Lab

Preview with #581311

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

Preview Lab → · Contrast checker → · Palette generator →