#583C3C#583C3C

#583C3C is a dark, muted red. Relative luminance 0.056; OKLCH L 38.8% C 0.040 H 19.0°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#583C3C
RGB	rgb(88, 60, 60)
HSL	hsl(0, 19%, 29%)
HSV	hsv(0, 32%, 35%)
CMYK	cmyk(0%, 31.8%, 31.8%, 65.5%)
CIE-LAB	lab(28.47, 12.34, 4.95)
CIE-LCH	lch(28.47, 13.29, 21.84°)
OKLab	oklab(38.8% 0.0376 0.013)
OKLCH	oklch(38.8% 0.04 19)
XYZ	xyz(6.4561, 5.6331, 5.0213)
Luminance	0.0563 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#583C3C #3C5858

analogous

#583C4A #583C3C #584A3C

triadic

#583C3C #3C583C #3C3C58

tetradic

#583C3C #4A583C #3C5858 #4A3C58

square

#583C3C #4A583C #3C5858 #4A3C58

split-complementary

#583C3C #3C584A #3C4A58

monochromatic

#120C0C #342323 #583C3C #7C5555 #9E7171

Accessibility & contrast

On white

9.87

#583C3C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#583C3C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #583C3C

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583C3C	#FFFFFF	#000000	##FFFFFF
##583C3C	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41403C

Deuteranopia (green-blind)

#48453C

Tritanopia (blue-blind)

#5E393C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #583c3c;
/* rgb */ color: rgb(88, 60, 60);
/* oklch */ color: oklch(38.8% 0.040 19.0);

Tailwind

colors: {
  custom: {
    50: '#887271',
    500: '#583c3c',
    950: '#000000',
  },
}

SCSS

$custom: #583c3c;
$custom-light: #887271;
$custom-dark: #000000;

JSON

{
  "hex": "#583c3c",
  "rgb": {
    "r": 88,
    "g": 60,
    "b": 60
  },
  "hsl": {
    "h": 0,
    "s": 18.919,
    "l": 29.02
  },
  "oklch": {
    "l": 0.38804,
    "c": 0.03974,
    "h": 19
  },
  "luminance": 0.05633
}

Semantic roles & 50–950 ramp

primary

#583C3C

secondary

#688888

accent

#BCBC6C

background

#F8F6F6

surface

#F0ECEC

border

#CBC7C7

text

#0B0707

muted

#7C7A7A

Preview Lab

Preview with #583C3C

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

Preview Lab → · Contrast checker → · Palette generator →