#583B0F#583B0F

#583B0F is a dark, moderate orange. Relative luminance 0.052; OKLCH L 37.7% C 0.070 H 73.2°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#583B0F
RGB	rgb(88, 59, 15)
HSL	hsl(36, 71%, 20%)
HSV	hsv(36, 83%, 35%)
CMYK	cmyk(0%, 33%, 83%, 65.5%)
CIE-LAB	lab(27.40, 8.35, 30.77)
CIE-LCH	lch(27.40, 31.89, 74.82°)
OKLab	oklab(37.72% 0.0204 0.0675)
OKLCH	oklch(37.72% 0.07 73.2)
XYZ	xyz(5.6751, 5.2376, 1.1639)
Luminance	0.0524 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#583B0F #0F2C58

analogous

#58160F #583B0F #51580F

triadic

#583B0F #0F583B #3B0F58

tetradic

#583B0F #0F5816 #0F2C58 #580F51

square

#583B0F #0F5816 #0F2C58 #580F51

split-complementary

#583B0F #0F5158 #160F58

monochromatic

#1A1204 #241806 #583B0F #8C5E18 #C18121

Accessibility & contrast

On white

10.26

#583B0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#583B0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #583B0F

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583B0F	#FFFFFF	#000000	##FFFFFF
##583B0F	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453D08

Deuteranopia (green-blind)

#4C4410

Tritanopia (blue-blind)

#613432

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #583b0f;
/* rgb */ color: rgb(88, 59, 15);
/* oklch */ color: oklch(37.7% 0.070 73.2);

Tailwind

colors: {
  custom: {
    50: '#8b7051',
    500: '#583b0f',
    950: '#000000',
  },
}

SCSS

$custom: #583b0f;
$custom-light: #8b7051;
$custom-dark: #000000;

JSON

{
  "hex": "#583b0f",
  "rgb": {
    "r": 88,
    "g": 59,
    "b": 15
  },
  "hsl": {
    "h": 36.164,
    "s": 70.874,
    "l": 20.196
  },
  "oklch": {
    "l": 0.37721,
    "c": 0.07049,
    "h": 73.2
  },
  "luminance": 0.05237
}

Semantic roles & 50–950 ramp

primary

#583B0F

secondary

#315792

accent

#81EE3A

background

#F8F6F4

surface

#F0ECE7

border

#CBC7C3

text

#0C0702

muted

#7D7A78

Preview Lab

Preview with #583B0F

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

Preview Lab → · Contrast checker → · Palette generator →