#583D13#583D13

#583D13 is a dark, moderate orange. Relative luminance 0.055; OKLCH L 38.2% C 0.068 H 74.7°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#583D13
RGB	rgb(88, 61, 19)
HSL	hsl(37, 64%, 21%)
HSV	hsv(37, 78%, 35%)
CMYK	cmyk(0%, 30.7%, 78.4%, 65.5%)
CIE-LAB	lab(28.01, 7.29, 29.43)
CIE-LCH	lch(28.01, 30.32, 76.08°)
OKLab	oklab(38.2% 0.0179 0.0656)
OKLCH	oklch(38.2% 0.068 74.7)
XYZ	xyz(5.8112, 5.4597, 1.3637)
Luminance	0.0546 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#583D13 #132E58

analogous

#581A13 #583D13 #505813

triadic

#583D13 #13583D #3D1358

tetradic

#583D13 #13581A #132E58 #581350

square

#583D13 #13581A #132E58 #581350

split-complementary

#583D13 #135058 #1A1358

monochromatic

#191105 #261A08 #583D13 #8A601E #BD8329

Accessibility & contrast

On white

10.04

#583D13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#583D13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #583D13

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583D13	#FFFFFF	#000000	##FFFFFF
##583D13	1.00	10.04	2.09	10.04
#FFFFFF	10.04	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#473E0E

Deuteranopia (green-blind)

#4D4514

Tritanopia (blue-blind)

#603634

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #583d13;
/* rgb */ color: rgb(88, 61, 19);
/* oklch */ color: oklch(38.2% 0.068 74.7);

Tailwind

colors: {
  custom: {
    50: '#8a7253',
    500: '#583d13',
    950: '#000000',
  },
}

SCSS

$custom: #583d13;
$custom-light: #8a7253;
$custom-dark: #000000;

JSON

{
  "hex": "#583d13",
  "rgb": {
    "r": 88,
    "g": 61,
    "b": 19
  },
  "hsl": {
    "h": 36.522,
    "s": 64.486,
    "l": 20.98
  },
  "oklch": {
    "l": 0.38204,
    "c": 0.06799,
    "h": 74.7
  },
  "luminance": 0.05459
}

Semantic roles & 50–950 ramp

primary

#583D13

secondary

#375A90

accent

#82E740

background

#F8F6F4

surface

#F0ECE7

border

#CBC7C3

text

#0C0702

muted

#7D7A78

Preview Lab

Preview with #583D13

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

Preview Lab → · Contrast checker → · Palette generator →