#583D3D#583D3D

#583D3D is a dark, muted red. Relative luminance 0.057; OKLCH L 39.0% C 0.038 H 18.9°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#583D3D
RGB	rgb(88, 61, 61)
HSL	hsl(0, 18%, 29%)
HSV	hsv(0, 31%, 35%)
CMYK	cmyk(0%, 30.7%, 30.7%, 65.5%)
CIE-LAB	lab(28.77, 11.86, 4.73)
CIE-LCH	lch(28.77, 12.77, 21.72°)
OKLab	oklab(39.05% 0.0361 0.0124)
OKLCH	oklch(39.05% 0.038 18.9)
XYZ	xyz(6.5357, 5.7495, 5.1795)
Luminance	0.0575 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#583D3D #3D5858

analogous

#583D4B #583D3D #584B3D

triadic

#583D3D #3D583D #3D3D58

tetradic

#583D3D #4B583D #3D5858 #4B3D58

square

#583D3D #4B583D #3D5858 #4B3D58

split-complementary

#583D3D #3D584B #3D4B58

monochromatic

#120D0D #342424 #583D3D #7C5656 #9D7272

Accessibility & contrast

On white

9.77

#583D3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#583D3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #583D3D

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583D3D	#FFFFFF	#000000	##FFFFFF
##583D3D	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42413D

Deuteranopia (green-blind)

#48463D

Tritanopia (blue-blind)

#5D3A3D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #583d3d;
/* rgb */ color: rgb(88, 61, 61);
/* oklch */ color: oklch(39.0% 0.038 18.9);

Tailwind

colors: {
  custom: {
    50: '#887272',
    500: '#583d3d',
    950: '#000000',
  },
}

SCSS

$custom: #583d3d;
$custom-light: #887272;
$custom-dark: #000000;

JSON

{
  "hex": "#583d3d",
  "rgb": {
    "r": 88,
    "g": 61,
    "b": 61
  },
  "hsl": {
    "h": 0,
    "s": 18.121,
    "l": 29.216
  },
  "oklch": {
    "l": 0.39048,
    "c": 0.03821,
    "h": 18.9
  },
  "luminance": 0.05749
}

Semantic roles & 50–950 ramp

primary

#583D3D

secondary

#698888

accent

#BBBB6D

background

#F8F6F6

surface

#F0ECEC

border

#CBC7C7

text

#0B0808

muted

#7C7B7B

Preview Lab

Preview with #583D3D

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

Preview Lab → · Contrast checker → · Palette generator →