#583F0F#583F0F

#583F0F is a dark, moderate orange. Relative luminance 0.057; OKLCH L 38.6% C 0.071 H 79.4°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#583F0F
RGB	rgb(88, 63, 15)
HSL	hsl(39, 71%, 20%)
HSV	hsv(39, 83%, 35%)
CMYK	cmyk(0%, 28.4%, 83%, 65.5%)
CIE-LAB	lab(28.55, 5.82, 31.87)
CIE-LCH	lch(28.55, 32.40, 79.65°)
OKLab	oklab(38.62% 0.013 0.0698)
OKLCH	oklch(38.62% 0.071 79.4)
XYZ	xyz(5.8886, 5.6647, 1.2351)
Luminance	0.0566 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#583F0F #0F2858

analogous

#581A0F #583F0F #4C580F

triadic

#583F0F #0F583F #3F0F58

tetradic

#583F0F #0F581A #0F2858 #580F4C

square

#583F0F #0F581A #0F2858 #580F4C

split-complementary

#583F0F #0F4C58 #1A0F58

monochromatic

#1A1304 #241A06 #583F0F #8C6418 #C18A21

Accessibility & contrast

On white

9.85

#583F0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#583F0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #583F0F

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583F0F	#FFFFFF	#000000	##FFFFFF
##583F0F	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494007

Deuteranopia (green-blind)

#4F4611

Tritanopia (blue-blind)

#603836

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #583f0f;
/* rgb */ color: rgb(88, 63, 15);
/* oklch */ color: oklch(38.6% 0.071 79.4);

Tailwind

colors: {
  custom: {
    50: '#8b7351',
    500: '#583f0f',
    950: '#000000',
  },
}

SCSS

$custom: #583f0f;
$custom-light: #8b7351;
$custom-dark: #000000;

JSON

{
  "hex": "#583f0f",
  "rgb": {
    "r": 88,
    "g": 63,
    "b": 15
  },
  "hsl": {
    "h": 39.452,
    "s": 70.874,
    "l": 20.196
  },
  "oklch": {
    "l": 0.38619,
    "c": 0.07103,
    "h": 79.4
  },
  "luminance": 0.05664
}

Semantic roles & 50–950 ramp

primary

#583F0F

secondary

#315292

accent

#78EE3A

background

#F8F7F4

surface

#F0EDE7

border

#CBC8C3

text

#0C0802

muted

#7D7B78

Preview Lab

Preview with #583F0F

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

Preview Lab → · Contrast checker → · Palette generator →