#583C40#583C40

#583C40 is a dark, muted red. Relative luminance 0.057; OKLCH L 38.9% C 0.040 H 9.6°. Best body text is #FFFFFF at 9.83:1 contrast (WCAG AA passes).

Color values

HEX	#583C40
RGB	rgb(88, 60, 64)
HSL	hsl(351, 19%, 29%)
HSV	hsv(351, 32%, 35%)
CMYK	cmyk(0%, 31.8%, 27.3%, 65.5%)
CIE-LAB	lab(28.58, 12.99, 2.49)
CIE-LCH	lch(28.58, 13.23, 10.86°)
OKLab	oklab(38.93% 0.0394 0.0067)
OKLCH	oklch(38.93% 0.04 9.6)
XYZ	xyz(6.5659, 5.6770, 5.5994)
Luminance	0.0568 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#583C40 #3C5854

analogous

#583C4E #583C40 #58463C

triadic

#583C40 #40583C #3C4058

tetradic

#583C40 #4E583C #3C5854 #463C58

square

#583C40 #4E583C #3C5854 #463C58

split-complementary

#583C40 #3C5846 #3C4E58

monochromatic

#120C0D #342326 #583C40 #7C555A #9E7177

Accessibility & contrast

On white

9.83

#583C40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#583C40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #583C40

9.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583C40	#FFFFFF	#000000	##FFFFFF
##583C40	1.00	9.83	2.14	9.83
#FFFFFF	9.83	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404040

Deuteranopia (green-blind)

#47453F

Tritanopia (blue-blind)

#5D3A3D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #583c40;
/* rgb */ color: rgb(88, 60, 64);
/* oklch */ color: oklch(38.9% 0.040 9.6);

Tailwind

colors: {
  custom: {
    50: '#887274',
    500: '#583c40',
    950: '#000000',
  },
}

SCSS

$custom: #583c40;
$custom-light: #887274;
$custom-dark: #000000;

JSON

{
  "hex": "#583c40",
  "rgb": {
    "r": 88,
    "g": 60,
    "b": 64
  },
  "hsl": {
    "h": 351.429,
    "s": 18.919,
    "l": 29.02
  },
  "oklch": {
    "l": 0.38931,
    "c": 0.03994,
    "h": 9.6
  },
  "luminance": 0.05677
}

Semantic roles & 50–950 ramp

primary

#583C40

secondary

#688883

accent

#BCB06C

background

#F8F6F7

surface

#F0ECED

border

#CBC7C8

text

#0B0808

muted

#7C7B7B

Preview Lab

Preview with #583C40

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

Preview Lab → · Contrast checker → · Palette generator →