#583333#583333

#583333 is a dark, muted red. Relative luminance 0.047; OKLCH L 36.7% C 0.054 H 20.0°. Best body text is #FFFFFF at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#583333
RGB	rgb(88, 51, 51)
HSL	hsl(0, 27%, 27%)
HSV	hsv(0, 42%, 35%)
CMYK	cmyk(0%, 42%, 42%, 65.5%)
CIE-LAB	lab(25.81, 16.71, 7.13)
CIE-LCH	lch(25.81, 18.17, 23.12°)
OKLab	oklab(36.68% 0.0506 0.0184)
OKLCH	oklch(36.68% 0.054 20)
XYZ	xyz(5.8061, 4.6818, 3.7292)
Luminance	0.0468 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#583333 #335858

analogous

#583346 #583333 #584633

triadic

#583333 #335833 #333358

tetradic

#583333 #465833 #335858 #463358

square

#583333 #465833 #335858 #463358

split-complementary

#583333 #335846 #334658

monochromatic

#130B0B #311D1D #583333 #7F4949 #A46262

Accessibility & contrast

On white

10.85

#583333 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#583333 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #583333

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583333	#FFFFFF	#000000	##FFFFFF
##583333	1.00	10.85	1.94	10.85
#FFFFFF	10.85	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3933

Deuteranopia (green-blind)

#434032

Tritanopia (blue-blind)

#5F2F33

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #583333;
/* rgb */ color: rgb(88, 51, 51);
/* oklch */ color: oklch(36.7% 0.054 20.0);

Tailwind

colors: {
  custom: {
    50: '#896b6a',
    500: '#583333',
    950: '#000000',
  },
}

SCSS

$custom: #583333;
$custom-light: #896b6a;
$custom-dark: #000000;

JSON

{
  "hex": "#583333",
  "rgb": {
    "r": 88,
    "g": 51,
    "b": 51
  },
  "hsl": {
    "h": 0,
    "s": 26.619,
    "l": 27.255
  },
  "oklch": {
    "l": 0.3668,
    "c": 0.05379,
    "h": 20
  },
  "luminance": 0.04681
}

Semantic roles & 50–950 ramp

primary

#583333

secondary

#5E8989

accent

#C3C365

background

#F8F6F6

surface

#F0EBEB

border

#CBC6C6

text

#0C0606

muted

#7D7A7A

Preview Lab

Preview with #583333

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

Preview Lab → · Contrast checker → · Palette generator →