#583F1F#583F1F

#583F1F is a dark, muted orange. Relative luminance 0.057; OKLCH L 38.8% C 0.058 H 71.4°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#583F1F
RGB	rgb(88, 63, 31)
HSL	hsl(34, 48%, 23%)
HSV	hsv(34, 65%, 35%)
CMYK	cmyk(0%, 28.4%, 64.8%, 65.5%)
CIE-LAB	lab(28.72, 6.88, 23.61)
CIE-LCH	lch(28.72, 24.59, 73.75°)
OKLab	oklab(38.81% 0.0186 0.0553)
OKLCH	oklch(38.81% 0.058 71.4)
XYZ	xyz(6.0497, 5.7291, 2.0833)
Luminance	0.0573 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#583F1F #1F3858

analogous

#58221F #583F1F #54581F

triadic

#583F1F #1F583F #3F1F58

tetradic

#583F1F #1F5822 #1F3858 #581F54

square

#583F1F #1F5822 #1F3858 #581F54

split-complementary

#583F1F #1F5458 #221F58

monochromatic

#171008 #2B1F0F #583F1F #855F2F #B3803F

Accessibility & contrast

On white

9.79

#583F1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#583F1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #583F1F

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583F1F	#FFFFFF	#000000	##FFFFFF
##583F1F	1.00	9.79	2.15	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48401C

Deuteranopia (green-blind)

#4E4620

Tritanopia (blue-blind)

#603938

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #583f1f;
/* rgb */ color: rgb(88, 63, 31);
/* oklch */ color: oklch(38.8% 0.058 71.4);

Tailwind

colors: {
  custom: {
    50: '#89745b',
    500: '#583f1f',
    950: '#000000',
  },
}

SCSS

$custom: #583f1f;
$custom-light: #89745b;
$custom-dark: #000000;

JSON

{
  "hex": "#583f1f",
  "rgb": {
    "r": 88,
    "g": 63,
    "b": 31
  },
  "hsl": {
    "h": 33.684,
    "s": 47.899,
    "l": 23.333
  },
  "oklch": {
    "l": 0.38805,
    "c": 0.05833,
    "h": 71.4
  },
  "luminance": 0.05729
}

Semantic roles & 50–950 ramp

primary

#583F1F

secondary

#46658D

accent

#8CD750

background

#F8F7F5

surface

#F0EDE9

border

#CBC8C5

text

#0C0804

muted

#7D7B79

Preview Lab

Preview with #583F1F

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

Preview Lab → · Contrast checker → · Palette generator →