#583F0D#583F0D

#583F0D is a dark, moderate orange. Relative luminance 0.057; OKLCH L 38.6% C 0.072 H 80.0°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#583F0D
RGB	rgb(88, 63, 13)
HSL	hsl(40, 74%, 20%)
HSV	hsv(40, 85%, 35%)
CMYK	cmyk(0%, 28.4%, 85.2%, 65.5%)
CIE-LAB	lab(28.54, 5.73, 32.73)
CIE-LCH	lch(28.54, 33.23, 80.07°)
OKLab	oklab(38.6% 0.0125 0.0712)
OKLCH	oklch(38.6% 0.072 80)
XYZ	xyz(5.8751, 5.6592, 1.1636)
Luminance	0.0566 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#583F0D #0D2658

analogous

#581A0D #583F0D #4C580D

triadic

#583F0D #0D583F #3F0D58

tetradic

#583F0D #0D581A #0D2658 #580D4C

square

#583F0D #0D581A #0D2658 #580D4C

split-complementary

#583F0D #0D4C58 #1A0D58

monochromatic

#1B1304 #231905 #583F0D #8D6515 #C38B1D

Accessibility & contrast

On white

9.85

#583F0D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#583F0D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #583F0D

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583F0D	#FFFFFF	#000000	##FFFFFF
##583F0D	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494005

Deuteranopia (green-blind)

#4F460F

Tritanopia (blue-blind)

#603835

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #583f0d;
/* rgb */ color: rgb(88, 63, 13);
/* oklch */ color: oklch(38.6% 0.072 80.0);

Tailwind

colors: {
  custom: {
    50: '#8b7350',
    500: '#583f0d',
    950: '#000000',
  },
}

SCSS

$custom: #583f0d;
$custom-light: #8b7350;
$custom-dark: #000000;

JSON

{
  "hex": "#583f0d",
  "rgb": {
    "r": 88,
    "g": 63,
    "b": 13
  },
  "hsl": {
    "h": 40,
    "s": 74.257,
    "l": 19.804
  },
  "oklch": {
    "l": 0.38604,
    "c": 0.07226,
    "h": 80
  },
  "luminance": 0.05659
}

Semantic roles & 50–950 ramp

primary

#583F0D

secondary

#2E5093

accent

#75F137

background

#F8F6F4

surface

#F0ECE7

border

#CBC7C3

text

#0C0802

muted

#7D7B78

Preview Lab

Preview with #583F0D

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

Preview Lab → · Contrast checker → · Palette generator →