#583B11#583B11

#583B11 is a dark, moderate orange. Relative luminance 0.052; OKLCH L 37.7% C 0.069 H 72.4°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#583B11
RGB	rgb(88, 59, 17)
HSL	hsl(35, 68%, 21%)
HSV	hsv(35, 81%, 35%)
CMYK	cmyk(0%, 33%, 80.7%, 65.5%)
CIE-LAB	lab(27.42, 8.45, 29.83)
CIE-LCH	lch(27.42, 31.00, 74.18°)
OKLab	oklab(37.74% 0.021 0.066)
OKLCH	oklch(37.74% 0.069 72.4)
XYZ	xyz(5.6901, 5.2436, 1.2426)
Luminance	0.0524 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#583B11 #112E58

analogous

#581711 #583B11 #515811

triadic

#583B11 #11583B #3B1158

tetradic

#583B11 #115817 #112E58 #581151

square

#583B11 #115817 #112E58 #581151

split-complementary

#583B11 #115158 #171158

monochromatic

#1A1105 #251907 #583B11 #8B5D1B #BF8025

Accessibility & contrast

On white

10.25

#583B11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#583B11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #583B11

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583B11	#FFFFFF	#000000	##FFFFFF
##583B11	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453D0B

Deuteranopia (green-blind)

#4C4412

Tritanopia (blue-blind)

#603432

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #583b11;
/* rgb */ color: rgb(88, 59, 17);
/* oklch */ color: oklch(37.7% 0.069 72.4);

Tailwind

colors: {
  custom: {
    50: '#8b7052',
    500: '#583b11',
    950: '#000000',
  },
}

SCSS

$custom: #583b11;
$custom-light: #8b7052;
$custom-dark: #000000;

JSON

{
  "hex": "#583b11",
  "rgb": {
    "r": 88,
    "g": 59,
    "b": 17
  },
  "hsl": {
    "h": 35.493,
    "s": 67.619,
    "l": 20.588
  },
  "oklch": {
    "l": 0.37739,
    "c": 0.06922,
    "h": 72.4
  },
  "luminance": 0.05243
}

Semantic roles & 50–950 ramp

primary

#583B11

secondary

#345A91

accent

#84EA3D

background

#F8F6F4

surface

#F0ECE7

border

#CBC7C3

text

#0C0702

muted

#7D7A78

Preview Lab

Preview with #583B11

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

Preview Lab → · Contrast checker → · Palette generator →