#581121#581121

#581121 is a dark, moderate red. Relative luminance 0.026; OKLCH L 30.9% C 0.102 H 12.9°. Best body text is #FFFFFF at 13.84:1 contrast (WCAG AA passes).

Color values

HEX	#581121
RGB	rgb(88, 17, 33)
HSL	hsl(346, 68%, 21%)
HSV	hsv(346, 81%, 35%)
CMYK	cmyk(0%, 80.7%, 62.5%, 65.5%)
CIE-LAB	lab(18.30, 33.02, 9.15)
CIE-LCH	lch(18.30, 34.26, 15.49°)
OKLab	oklab(30.87% 0.0996 0.0227)
OKLCH	oklch(30.87% 0.102 12.9)
XYZ	xyz(4.4999, 2.5861, 1.7008)
Luminance	0.0259 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581121 #115848

analogous

#581144 #581121 #582411

triadic

#581121 #215811 #112158

tetradic

#581121 #445811 #115848 #241158

square

#581121 #445811 #115848 #241158

split-complementary

#581121 #115824 #114458

monochromatic

#1A050A #25070E #581121 #8B1B34 #BF2547

Accessibility & contrast

On white

13.84

#581121 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#581121 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581121

13.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581121	#FFFFFF	#000000	##FFFFFF
##581121	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)

#242321

Deuteranopia (green-blind)

#36321F

Tritanopia (blue-blind)

#610018

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #581121;
/* rgb */ color: rgb(88, 17, 33);
/* oklch */ color: oklch(30.9% 0.102 12.9);

Tailwind

colors: {
  custom: {
    50: '#8c565b',
    500: '#581121',
    950: '#000000',
  },
}

SCSS

$custom: #581121;
$custom-light: #8c565b;
$custom-dark: #000000;

JSON

{
  "hex": "#581121",
  "rgb": {
    "r": 88,
    "g": 17,
    "b": 33
  },
  "hsl": {
    "h": 346.479,
    "s": 67.619,
    "l": 20.588
  },
  "oklch": {
    "l": 0.3087,
    "c": 0.10215,
    "h": 12.9
  },
  "luminance": 0.02585
}

Semantic roles & 50–950 ramp

primary

#581121

secondary

#34917C

accent

#EAC33D

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0304

muted

#7E7879

Preview Lab

Preview with #581121

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

Preview Lab → · Contrast checker → · Palette generator →