#583F10#583F10

#583F10 is a dark, moderate orange. Relative luminance 0.057; OKLCH L 38.6% C 0.070 H 79.1°. Best body text is #FFFFFF at 9.84:1 contrast (WCAG AA passes).

Color values

HEX	#583F10
RGB	rgb(88, 63, 16)
HSL	hsl(39, 69%, 20%)
HSV	hsv(39, 82%, 35%)
CMYK	cmyk(0%, 28.4%, 81.8%, 65.5%)
CIE-LAB	lab(28.56, 5.87, 31.43)
CIE-LCH	lch(28.56, 31.97, 79.42°)
OKLab	oklab(38.63% 0.0133 0.0691)
OKLCH	oklch(38.63% 0.07 79.1)
XYZ	xyz(5.8959, 5.6676, 1.2735)
Luminance	0.0567 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#583F10 #102958

analogous

#581B10 #583F10 #4D5810

triadic

#583F10 #10583F #3F1058

tetradic

#583F10 #10581B #102958 #58104D

square

#583F10 #10581B #102958 #58104D

split-complementary

#583F10 #104D58 #1B1058

monochromatic

#1A1305 #241A07 #583F10 #8C6419 #C08923

Accessibility & contrast

On white

9.84

#583F10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#583F10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #583F10

9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583F10	#FFFFFF	#000000	##FFFFFF
##583F10	1.00	9.84	2.13	9.84
#FFFFFF	9.84	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494009

Deuteranopia (green-blind)

#4F4612

Tritanopia (blue-blind)

#603836

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #583f10;
/* rgb */ color: rgb(88, 63, 16);
/* oklch */ color: oklch(38.6% 0.070 79.1);

Tailwind

colors: {
  custom: {
    50: '#8b7352',
    500: '#583f10',
    950: '#000000',
  },
}

SCSS

$custom: #583f10;
$custom-light: #8b7352;
$custom-dark: #000000;

JSON

{
  "hex": "#583f10",
  "rgb": {
    "r": 88,
    "g": 63,
    "b": 16
  },
  "hsl": {
    "h": 39.167,
    "s": 69.231,
    "l": 20.392
  },
  "oklch": {
    "l": 0.38628,
    "c": 0.0704,
    "h": 79.1
  },
  "luminance": 0.05667
}

Semantic roles & 50–950 ramp

primary

#583F10

secondary

#325391

accent

#79EC3C

background

#F8F7F4

surface

#F0EDE7

border

#CBC8C3

text

#0C0802

muted

#7D7B78

Preview Lab

Preview with #583F10

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

Preview Lab → · Contrast checker → · Palette generator →