#583C0F#583C0F

#583C0F is a dark, moderate orange. Relative luminance 0.053; OKLCH L 37.9% C 0.071 H 74.8°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#583C0F
RGB	rgb(88, 60, 15)
HSL	hsl(37, 71%, 20%)
HSV	hsv(37, 83%, 35%)
CMYK	cmyk(0%, 31.8%, 83%, 65.5%)
CIE-LAB	lab(27.69, 7.72, 31.05)
CIE-LCH	lch(27.69, 31.99, 76.04°)
OKLab	oklab(37.94% 0.0185 0.0681)
OKLCH	oklch(37.94% 0.071 74.8)
XYZ	xyz(5.7270, 5.3414, 1.1812)
Luminance	0.0534 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#583C0F #0F2B58

analogous

#58170F #583C0F #50580F

triadic

#583C0F #0F583C #3C0F58

tetradic

#583C0F #0F5817 #0F2B58 #580F50

square

#583C0F #0F5817 #0F2B58 #580F50

split-complementary

#583C0F #0F5058 #170F58

monochromatic

#1A1204 #241806 #583C0F #8C6018 #C18321

Accessibility & contrast

On white

10.15

#583C0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#583C0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #583C0F

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583C0F	#FFFFFF	#000000	##FFFFFF
##583C0F	1.00	10.15	2.07	10.15
#FFFFFF	10.15	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#463D08

Deuteranopia (green-blind)

#4D4411

Tritanopia (blue-blind)

#603533

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #583c0f;
/* rgb */ color: rgb(88, 60, 15);
/* oklch */ color: oklch(37.9% 0.071 74.8);

Tailwind

colors: {
  custom: {
    50: '#8b7151',
    500: '#583c0f',
    950: '#000000',
  },
}

SCSS

$custom: #583c0f;
$custom-light: #8b7151;
$custom-dark: #000000;

JSON

{
  "hex": "#583c0f",
  "rgb": {
    "r": 88,
    "g": 60,
    "b": 15
  },
  "hsl": {
    "h": 36.986,
    "s": 70.874,
    "l": 20.196
  },
  "oklch": {
    "l": 0.37944,
    "c": 0.07055,
    "h": 74.8
  },
  "luminance": 0.05341
}

Semantic roles & 50–950 ramp

primary

#583C0F

secondary

#315692

accent

#7FEE3A

background

#F8F6F4

surface

#F0ECE7

border

#CBC7C3

text

#0C0702

muted

#7D7A78

Preview Lab

Preview with #583C0F

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

Preview Lab → · Contrast checker → · Palette generator →