#583E1B#583E1B

#583E1B is a dark, moderate orange. Relative luminance 0.056; OKLCH L 38.5% C 0.062 H 72.2°. Best body text is #FFFFFF at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#583E1B
RGB	rgb(88, 62, 27)
HSL	hsl(34, 53%, 23%)
HSV	hsv(34, 69%, 35%)
CMYK	cmyk(0%, 29.5%, 69.3%, 65.5%)
CIE-LAB	lab(28.38, 7.19, 25.52)
CIE-LCH	lch(28.38, 26.52, 74.26°)
OKLab	oklab(38.52% 0.0189 0.0588)
OKLCH	oklch(38.52% 0.062 72.2)
XYZ	xyz(5.9453, 5.5995, 1.8044)
Luminance	0.0560 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#583E1B #1B3558

analogous

#581F1B #583E1B #53581B

triadic

#583E1B #1B583E #3E1B58

tetradic

#583E1B #1B581F #1B3558 #581B53

square

#583E1B #1B581F #1B3558 #581B53

split-complementary

#583E1B #1B5358 #1F1B58

monochromatic

#171007 #291D0D #583E1B #875F29 #B68038

Accessibility & contrast

On white

9.91

#583E1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#583E1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #583E1B

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583E1B	#FFFFFF	#000000	##FFFFFF
##583E1B	1.00	9.91	2.12	9.91
#FFFFFF	9.91	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#473F17

Deuteranopia (green-blind)

#4D451C

Tritanopia (blue-blind)

#603736

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #583e1b;
/* rgb */ color: rgb(88, 62, 27);
/* oklch */ color: oklch(38.5% 0.062 72.2);

Tailwind

colors: {
  custom: {
    50: '#8a7359',
    500: '#583e1b',
    950: '#000000',
  },
}

SCSS

$custom: #583e1b;
$custom-light: #8a7359;
$custom-dark: #000000;

JSON

{
  "hex": "#583e1b",
  "rgb": {
    "r": 88,
    "g": 62,
    "b": 27
  },
  "hsl": {
    "h": 34.426,
    "s": 53.043,
    "l": 22.549
  },
  "oklch": {
    "l": 0.38523,
    "c": 0.06178,
    "h": 72.2
  },
  "luminance": 0.05599
}

Semantic roles & 50–950 ramp

primary

#583E1B

secondary

#41628E

accent

#89DC4B

background

#F8F6F5

surface

#F0ECE9

border

#CBC7C5

text

#0C0803

muted

#7D7B78

Preview Lab

Preview with #583E1B

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

Preview Lab → · Contrast checker → · Palette generator →