#573121#573121

#573121 is a dark, moderate orange. Relative luminance 0.043; OKLCH L 35.7% C 0.061 H 43.3°. Best body text is #FFFFFF at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#573121
RGB	rgb(87, 49, 33)
HSL	hsl(18, 45%, 24%)
HSV	hsv(18, 62%, 34%)
CMYK	cmyk(0%, 43.7%, 62.1%, 65.9%)
CIE-LAB	lab(24.74, 15.45, 17.52)
CIE-LCH	lch(24.74, 23.35, 48.59°)
OKLab	oklab(35.7% 0.0447 0.0421)
OKLCH	oklch(35.7% 0.061 43.3)
XYZ	xyz(5.3037, 4.3332, 1.9956)
Luminance	0.0433 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573121 #214757

analogous

#57212C #573121 #574C21

triadic

#573121 #215731 #312157

tetradic

#573121 #2C5721 #214757 #4C2157

square

#573121 #2C5721 #214757 #4C2157

split-complementary

#573121 #21574C #212C57

monochromatic

#160C08 #2B1810 #573121 #834A32 #B06343

Accessibility & contrast

On white

11.25

#573121 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#573121 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573121

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573121	#FFFFFF	#000000	##FFFFFF
##573121	1.00	11.25	1.87	11.25
#FFFFFF	11.25	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3620

Deuteranopia (green-blind)

#443E21

Tritanopia (blue-blind)

#5F2A2D

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #573121;
/* rgb */ color: rgb(87, 49, 33);
/* oklch */ color: oklch(35.7% 0.061 43.3);

Tailwind

colors: {
  custom: {
    50: '#89695c',
    500: '#573121',
    950: '#000000',
  },
}

SCSS

$custom: #573121;
$custom-light: #89695c;
$custom-dark: #000000;

JSON

{
  "hex": "#573121",
  "rgb": {
    "r": 87,
    "g": 49,
    "b": 33
  },
  "hsl": {
    "h": 17.778,
    "s": 45,
    "l": 23.529
  },
  "oklch": {
    "l": 0.35703,
    "c": 0.06138,
    "h": 43.3
  },
  "luminance": 0.04333
}

Semantic roles & 50–950 ramp

primary

#573121

secondary

#49778B

accent

#AED553

background

#F8F6F5

surface

#F0EBE9

border

#CBC6C5

text

#0C0604

muted

#7D7A79

Preview Lab

Preview with #573121

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

Preview Lab → · Contrast checker → · Palette generator →