#573B1B#573B1B

#573B1B is a dark, moderate orange. Relative luminance 0.052; OKLCH L 37.7% C 0.061 H 67.7°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#573B1B
RGB	rgb(87, 59, 27)
HSL	hsl(32, 53%, 22%)
HSV	hsv(32, 69%, 34%)
CMYK	cmyk(0%, 32.2%, 69%, 65.9%)
CIE-LAB	lab(27.39, 8.60, 24.37)
CIE-LCH	lch(27.39, 25.84, 70.57°)
OKLab	oklab(37.72% 0.0231 0.0564)
OKLCH	oklch(37.72% 0.061 67.7)
XYZ	xyz(5.6926, 5.2338, 1.7471)
Luminance	0.0523 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573B1B #1B3757

analogous

#571D1B #573B1B #55571B

triadic

#573B1B #1B573B #3B1B57

tetradic

#573B1B #1B571D #1B3757 #571B55

square

#573B1B #1B571D #1B3757 #571B55

split-complementary

#573B1B #1B5557 #1D1B57

monochromatic

#171007 #281B0D #573B1B #865B29 #B47A38

Accessibility & contrast

On white

10.26

#573B1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#573B1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573B1B

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573B1B	#FFFFFF	#000000	##FFFFFF
##573B1B	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#443D18

Deuteranopia (green-blind)

#4B431C

Tritanopia (blue-blind)

#5F3434

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #573b1b;
/* rgb */ color: rgb(87, 59, 27);
/* oklch */ color: oklch(37.7% 0.061 67.7);

Tailwind

colors: {
  custom: {
    50: '#897058',
    500: '#573b1b',
    950: '#000000',
  },
}

SCSS

$custom: #573b1b;
$custom-light: #897058;
$custom-dark: #000000;

JSON

{
  "hex": "#573b1b",
  "rgb": {
    "r": 87,
    "g": 59,
    "b": 27
  },
  "hsl": {
    "h": 32,
    "s": 52.632,
    "l": 22.353
  },
  "oklch": {
    "l": 0.37723,
    "c": 0.06092,
    "h": 67.7
  },
  "luminance": 0.05233
}

Semantic roles & 50–950 ramp

primary

#573B1B

secondary

#41648D

accent

#8FDC4C

background

#F8F6F5

surface

#F0ECE9

border

#CBC7C5

text

#0C0703

muted

#7D7A78

Preview Lab

Preview with #573B1B

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

Preview Lab → · Contrast checker → · Palette generator →