#583F17#583F17

#583F17 is a dark, moderate orange. Relative luminance 0.057; OKLCH L 38.7% C 0.065 H 76.2°. Best body text is #FFFFFF at 9.82:1 contrast (WCAG AA passes).

Color values

HEX	#583F17
RGB	rgb(88, 63, 23)
HSL	hsl(37, 59%, 22%)
HSV	hsv(37, 74%, 35%)
CMYK	cmyk(0%, 28.4%, 73.9%, 65.5%)
CIE-LAB	lab(28.62, 6.27, 27.99)
CIE-LCH	lch(28.62, 28.69, 77.37°)
OKLab	oklab(38.7% 0.0155 0.0634)
OKLCH	oklch(38.7% 0.065 76.2)
XYZ	xyz(5.9570, 5.6920, 1.5954)
Luminance	0.0569 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#583F17 #173058

analogous

#581F17 #583F17 #515817

triadic

#583F17 #17583F #3F1758

tetradic

#583F17 #17581F #173058 #581751

square

#583F17 #17581F #173058 #581751

split-complementary

#583F17 #175158 #1F1758

monochromatic

#181106 #271C0A #583F17 #896224 #B98430

Accessibility & contrast

On white

9.82

#583F17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#583F17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #583F17

9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583F17	#FFFFFF	#000000	##FFFFFF
##583F17	1.00	9.82	2.14	9.82
#FFFFFF	9.82	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484012

Deuteranopia (green-blind)

#4E4618

Tritanopia (blue-blind)

#603836

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #583f17;
/* rgb */ color: rgb(88, 63, 23);
/* oklch */ color: oklch(38.7% 0.065 76.2);

Tailwind

colors: {
  custom: {
    50: '#8a7356',
    500: '#583f17',
    950: '#000000',
  },
}

SCSS

$custom: #583f17;
$custom-light: #8a7356;
$custom-dark: #000000;

JSON

{
  "hex": "#583f17",
  "rgb": {
    "r": 88,
    "g": 63,
    "b": 23
  },
  "hsl": {
    "h": 36.923,
    "s": 58.559,
    "l": 21.765
  },
  "oklch": {
    "l": 0.38698,
    "c": 0.06526,
    "h": 76.2
  },
  "luminance": 0.05692
}

Semantic roles & 50–950 ramp

primary

#583F17

secondary

#3C5C8F

accent

#82E246

background

#F8F7F5

surface

#F0EDE9

border

#CBC8C5

text

#0C0803

muted

#7D7B78

Preview Lab

Preview with #583F17

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

Preview Lab → · Contrast checker → · Palette generator →