#583F1B#583F1B

#583F1B is a dark, moderate orange. Relative luminance 0.057; OKLCH L 38.7% C 0.062 H 74.1°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#583F1B
RGB	rgb(88, 63, 27)
HSL	hsl(35, 53%, 23%)
HSV	hsv(35, 69%, 35%)
CMYK	cmyk(0%, 28.4%, 69.3%, 65.5%)
CIE-LAB	lab(28.67, 6.56, 25.85)
CIE-LCH	lch(28.67, 26.67, 75.76°)
OKLab	oklab(38.75% 0.017 0.0595)
OKLCH	oklch(38.75% 0.062 74.1)
XYZ	xyz(6.0002, 5.7093, 1.8227)
Luminance	0.0571 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#583F1B #1B3458

analogous

#58211B #583F1B #52581B

triadic

#583F1B #1B583F #3F1B58

tetradic

#583F1B #1B5821 #1B3458 #581B52

square

#583F1B #1B5821 #1B3458 #581B52

split-complementary

#583F1B #1B5258 #211B58

monochromatic

#171107 #291D0D #583F1B #876129 #B68238

Accessibility & contrast

On white

9.80

#583F1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#583F1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #583F1B

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583F1B	#FFFFFF	#000000	##FFFFFF
##583F1B	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484017

Deuteranopia (green-blind)

#4E461C

Tritanopia (blue-blind)

#603937

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #583f1b;
/* rgb */ color: rgb(88, 63, 27);
/* oklch */ color: oklch(38.7% 0.062 74.1);

Tailwind

colors: {
  custom: {
    50: '#8a7359',
    500: '#583f1b',
    950: '#000000',
  },
}

SCSS

$custom: #583f1b;
$custom-light: #8a7359;
$custom-dark: #000000;

JSON

{
  "hex": "#583f1b",
  "rgb": {
    "r": 88,
    "g": 63,
    "b": 27
  },
  "hsl": {
    "h": 35.41,
    "s": 53.043,
    "l": 22.549
  },
  "oklch": {
    "l": 0.38748,
    "c": 0.06191,
    "h": 74.1
  },
  "luminance": 0.05709
}

Semantic roles & 50–950 ramp

primary

#583F1B

secondary

#41608E

accent

#87DC4B

background

#F8F7F5

surface

#F0EDE9

border

#CBC8C5

text

#0C0803

muted

#7D7B78

Preview Lab

Preview with #583F1B

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

Preview Lab → · Contrast checker → · Palette generator →