#581515#581515

#581515 is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.1% C 0.098 H 24.9°. Best body text is #FFFFFF at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#581515
RGB	rgb(88, 21, 21)
HSL	hsl(0, 61%, 21%)
HSV	hsv(0, 76%, 35%)
CMYK	cmyk(0%, 76.1%, 76.1%, 65.5%)
CIE-LAB	lab(18.65, 30.55, 17.99)
CIE-LCH	lch(18.65, 35.46, 30.49°)
OKLab	oklab(31.05% 0.089 0.0414)
OKLCH	oklch(31.05% 0.098 24.9)
XYZ	xyz(4.4285, 2.6658, 0.9907)
Luminance	0.0267 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581515 #155858

analogous

#581537 #581515 #583715

triadic

#581515 #155815 #151558

tetradic

#581515 #375815 #155858 #371558

square

#581515 #375815 #155858 #371558

split-complementary

#581515 #155837 #153758

monochromatic

#190606 #270909 #581515 #892121 #BB2D2D

Accessibility & contrast

On white

13.70

#581515 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#581515 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581515

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581515	#FFFFFF	#000000	##FFFFFF
##581515	1.00	13.70	1.53	13.70
#FFFFFF	13.70	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282414

Deuteranopia (green-blind)

#393313

Tritanopia (blue-blind)

#610116

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #581515;
/* rgb */ color: rgb(88, 21, 21);
/* oklch */ color: oklch(31.1% 0.098 24.9);

Tailwind

colors: {
  custom: {
    50: '#8d5852',
    500: '#581515',
    950: '#000000',
  },
}

SCSS

$custom: #581515;
$custom-light: #8d5852;
$custom-dark: #000000;

JSON

{
  "hex": "#581515",
  "rgb": {
    "r": 88,
    "g": 21,
    "b": 21
  },
  "hsl": {
    "h": 0,
    "s": 61.468,
    "l": 21.373
  },
  "oklch": {
    "l": 0.31051,
    "c": 0.09817,
    "h": 24.9
  },
  "luminance": 0.02665
}

Semantic roles & 50–950 ramp

primary

#581515

secondary

#399090

accent

#E5E543

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0302

muted

#7E7878

Preview Lab

Preview with #581515

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

Preview Lab → · Contrast checker → · Palette generator →