#581511#581511

#581511 is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.0% C 0.099 H 27.8°. Best body text is #FFFFFF at 13.72:1 contrast (WCAG AA passes).

Color values

HEX	#581511
RGB	rgb(88, 21, 17)
HSL	hsl(3, 68%, 21%)
HSV	hsv(3, 81%, 35%)
CMYK	cmyk(0%, 76.1%, 80.7%, 65.5%)
CIE-LAB	lab(18.59, 30.34, 20.46)
CIE-LCH	lch(18.59, 36.60, 33.99°)
OKLab	oklab(30.99% 0.0874 0.0461)
OKLCH	oklch(30.99% 0.099 27.8)
XYZ	xyz(4.3943, 2.6522, 0.8107)
Luminance	0.0265 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581511 #115458

analogous

#581130 #581511 #583811

triadic

#581511 #115815 #151158

tetradic

#581511 #305811 #115458 #381158

square

#581511 #305811 #115458 #381158

split-complementary

#581511 #115838 #113058

monochromatic

#1A0605 #250907 #581511 #8B211B #BF2D25

Accessibility & contrast

On white

13.72

#581511 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#581511 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581511

13.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581511	#FFFFFF	#000000	##FFFFFF
##581511	1.00	13.72	1.53	13.72
#FFFFFF	13.72	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282410

Deuteranopia (green-blind)

#39330F

Tritanopia (blue-blind)

#620115

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #581511;
/* rgb */ color: rgb(88, 21, 17);
/* oklch */ color: oklch(31.0% 0.099 27.8);

Tailwind

colors: {
  custom: {
    50: '#8d584f',
    500: '#581511',
    950: '#000000',
  },
}

SCSS

$custom: #581511;
$custom-light: #8d584f;
$custom-dark: #000000;

JSON

{
  "hex": "#581511",
  "rgb": {
    "r": 88,
    "g": 21,
    "b": 17
  },
  "hsl": {
    "h": 3.38,
    "s": 67.619,
    "l": 20.588
  },
  "oklch": {
    "l": 0.30988,
    "c": 0.09882,
    "h": 27.8
  },
  "luminance": 0.02652
}

Semantic roles & 50–950 ramp

primary

#581511

secondary

#348C91

accent

#E1EA3D

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0D0302

muted

#7E7878

Preview Lab

Preview with #581511

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

Preview Lab → · Contrast checker → · Palette generator →