#582818#582818

#582818 is a dark, moderate orange. Relative luminance 0.037; OKLCH L 34.0% C 0.076 H 38.9°. Best body text is #FFFFFF at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#582818
RGB	rgb(88, 40, 24)
HSL	hsl(15, 57%, 22%)
HSV	hsv(15, 73%, 35%)
CMYK	cmyk(0%, 54.5%, 72.7%, 65.5%)
CIE-LAB	lab(22.51, 20.71, 20.57)
CIE-LCH	lch(22.51, 29.19, 44.81°)
OKLab	oklab(33.98% 0.059 0.0476)
OKLCH	oklch(33.98% 0.076 38.9)
XYZ	xyz(4.9486, 3.6588, 1.3096)
Luminance	0.0366 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#582818 #184858

analogous

#581828 #582818 #584818

triadic

#582818 #185828 #281858

tetradic

#582818 #285818 #184858 #481858

square

#582818 #285818 #184858 #481858

split-complementary

#582818 #185848 #182858

monochromatic

#180B07 #28120B #582818 #883E25 #B85432

Accessibility & contrast

On white

12.13

#582818 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#582818 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #582818

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##582818	#FFFFFF	#000000	##FFFFFF
##582818	1.00	12.13	1.73	12.13
#FFFFFF	12.13	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#352F16

Deuteranopia (green-blind)

#403A17

Tritanopia (blue-blind)

#611F24

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #582818;
/* rgb */ color: rgb(88, 40, 24);
/* oklch */ color: oklch(34.0% 0.076 38.9);

Tailwind

colors: {
  custom: {
    50: '#8b6355',
    500: '#582818',
    950: '#000000',
  },
}

SCSS

$custom: #582818;
$custom-light: #8b6355;
$custom-dark: #000000;

JSON

{
  "hex": "#582818",
  "rgb": {
    "r": 88,
    "g": 40,
    "b": 24
  },
  "hsl": {
    "h": 15,
    "s": 57.143,
    "l": 21.961
  },
  "oklch": {
    "l": 0.33978,
    "c": 0.07581,
    "h": 38.9
  },
  "luminance": 0.03658
}

Semantic roles & 50–950 ramp

primary

#582818

secondary

#3D7A8F

accent

#BAE047

background

#F8F5F4

surface

#F0EAE8

border

#CBC6C4

text

#0D0503

muted

#7D7978

Preview Lab

Preview with #582818

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

Preview Lab → · Contrast checker → · Palette generator →