#583840#583840

#583840 is a dark, muted red. Relative luminance 0.053; OKLCH L 38.1% C 0.047 H 3.2°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#583840
RGB	rgb(88, 56, 64)
HSL	hsl(345, 22%, 28%)
HSV	hsv(345, 36%, 35%)
CMYK	cmyk(0%, 36.4%, 27.3%, 65.5%)
CIE-LAB	lab(27.50, 15.53, 0.93)
CIE-LCH	lch(27.50, 15.56, 3.41°)
OKLab	oklab(38.1% 0.0469 0.0026)
OKLCH	oklch(38.1% 0.047 3.2)
XYZ	xyz(6.3642, 5.2736, 5.5322)
Luminance	0.0527 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#583840 #385850

analogous

#583850 #583840 #584038

triadic

#583840 #405838 #384058

tetradic

#583840 #505838 #385850 #403858

square

#583840 #505838 #385850 #403858

split-complementary

#583840 #385840 #385058

monochromatic

#130C0E #332025 #583840 #7D505B #A06A78

Accessibility & contrast

On white

10.22

#583840 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#583840 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #583840

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583840	#FFFFFF	#000000	##FFFFFF
##583840	1.00	10.22	2.05	10.22
#FFFFFF	10.22	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3D40

Deuteranopia (green-blind)

#44433F

Tritanopia (blue-blind)

#5D363B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #583840;
/* rgb */ color: rgb(88, 56, 64);
/* oklch */ color: oklch(38.1% 0.047 3.2);

Tailwind

colors: {
  custom: {
    50: '#886f74',
    500: '#583840',
    950: '#000000',
  },
}

SCSS

$custom: #583840;
$custom-light: #886f74;
$custom-dark: #000000;

JSON

{
  "hex": "#583840",
  "rgb": {
    "r": 88,
    "g": 56,
    "b": 64
  },
  "hsl": {
    "h": 345,
    "s": 22.222,
    "l": 28.235
  },
  "oklch": {
    "l": 0.381,
    "c": 0.04698,
    "h": 3.2
  },
  "luminance": 0.05273
}

Semantic roles & 50–950 ramp

primary

#583840

secondary

#64887F

accent

#BFA969

background

#F8F6F7

surface

#F0ECED

border

#CBC7C8

text

#0B0708

muted

#7C7A7B

Preview Lab

Preview with #583840

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

Preview Lab → · Contrast checker → · Palette generator →