#583B13#583B13

#583B13 is a dark, moderate orange. Relative luminance 0.052; OKLCH L 37.8% C 0.068 H 71.4°. Best body text is #FFFFFF at 10.24:1 contrast (WCAG AA passes).

Color values

HEX	#583B13
RGB	rgb(88, 59, 19)
HSL	hsl(35, 64%, 21%)
HSV	hsv(35, 78%, 35%)
CMYK	cmyk(0%, 33%, 78.4%, 65.5%)
CIE-LAB	lab(27.44, 8.56, 28.84)
CIE-LCH	lch(27.44, 30.09, 73.47°)
OKLab	oklab(37.76% 0.0216 0.0643)
OKLCH	oklch(37.76% 0.068 71.4)
XYZ	xyz(5.7064, 5.2501, 1.3288)
Luminance	0.0525 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#583B13 #133058

analogous

#581813 #583B13 #525813

triadic

#583B13 #13583B #3B1358

tetradic

#583B13 #135818 #133058 #581352

square

#583B13 #135818 #133058 #581352

split-complementary

#583B13 #135258 #181358

monochromatic

#191105 #261908 #583B13 #8A5D1E #BD7E29

Accessibility & contrast

On white

10.24

#583B13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#583B13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #583B13

10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583B13	#FFFFFF	#000000	##FFFFFF
##583B13	1.00	10.24	2.05	10.24
#FFFFFF	10.24	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453D0E

Deuteranopia (green-blind)

#4C4414

Tritanopia (blue-blind)

#603433

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #583b13;
/* rgb */ color: rgb(88, 59, 19);
/* oklch */ color: oklch(37.8% 0.068 71.4);

Tailwind

colors: {
  custom: {
    50: '#8b7053',
    500: '#583b13',
    950: '#000000',
  },
}

SCSS

$custom: #583b13;
$custom-light: #8b7053;
$custom-dark: #000000;

JSON

{
  "hex": "#583b13",
  "rgb": {
    "r": 88,
    "g": 59,
    "b": 19
  },
  "hsl": {
    "h": 34.783,
    "s": 64.486,
    "l": 20.98
  },
  "oklch": {
    "l": 0.37759,
    "c": 0.06787,
    "h": 71.4
  },
  "luminance": 0.0525
}

Semantic roles & 50–950 ramp

primary

#583B13

secondary

#375C90

accent

#87E740

background

#F8F6F4

surface

#F0ECE7

border

#CBC7C3

text

#0C0702

muted

#7D7A78

Preview Lab

Preview with #583B13

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

Preview Lab → · Contrast checker → · Palette generator →