#583B1F#583B1F

#583B1F is a dark, muted orange. Relative luminance 0.053; OKLCH L 37.9% C 0.059 H 63.5°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#583B1F
RGB	rgb(88, 59, 31)
HSL	hsl(29, 48%, 23%)
HSV	hsv(29, 65%, 35%)
CMYK	cmyk(0%, 33%, 64.8%, 65.5%)
CIE-LAB	lab(27.58, 9.42, 22.26)
CIE-LCH	lch(27.58, 24.17, 67.06°)
OKLab	oklab(37.92% 0.0261 0.0523)
OKLCH	oklch(37.92% 0.059 63.5)
XYZ	xyz(5.8361, 5.3020, 2.0121)
Luminance	0.0530 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#583B1F #1F3C58

analogous

#581F1F #583B1F #58571F

triadic

#583B1F #1F583B #3B1F58

tetradic

#583B1F #1F581F #1F3C58 #571F58

square

#583B1F #1F581F #1F3C58 #571F58

split-complementary

#583B1F #1F5857 #1F1F58

monochromatic

#170F08 #2B1D0F #583B1F #85592F #B3783F

Accessibility & contrast

On white

10.19

#583B1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#583B1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #583B1F

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583B1F	#FFFFFF	#000000	##FFFFFF
##583B1F	1.00	10.19	2.06	10.19
#FFFFFF	10.19	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#443D1C

Deuteranopia (green-blind)

#4B441F

Tritanopia (blue-blind)

#603534

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #583b1f;
/* rgb */ color: rgb(88, 59, 31);
/* oklch */ color: oklch(37.9% 0.059 63.5);

Tailwind

colors: {
  custom: {
    50: '#8a715b',
    500: '#583b1f',
    950: '#000000',
  },
}

SCSS

$custom: #583b1f;
$custom-light: #8a715b;
$custom-dark: #000000;

JSON

{
  "hex": "#583b1f",
  "rgb": {
    "r": 88,
    "g": 59,
    "b": 31
  },
  "hsl": {
    "h": 29.474,
    "s": 47.899,
    "l": 23.333
  },
  "oklch": {
    "l": 0.37916,
    "c": 0.0585,
    "h": 63.5
  },
  "luminance": 0.05302
}

Semantic roles & 50–950 ramp

primary

#583B1F

secondary

#466A8D

accent

#95D750

background

#F8F6F5

surface

#F0ECE9

border

#CBC7C5

text

#0C0704

muted

#7D7A79

Preview Lab

Preview with #583B1F

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

Preview Lab → · Contrast checker → · Palette generator →