#573C1B#573C1B

#573C1B is a dark, moderate orange. Relative luminance 0.053; OKLCH L 37.9% C 0.061 H 69.6°. Best body text is #FFFFFF at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#573C1B
RGB	rgb(87, 60, 27)
HSL	hsl(33, 53%, 22%)
HSV	hsv(33, 69%, 34%)
CMYK	cmyk(0%, 31%, 69%, 65.9%)
CIE-LAB	lab(27.68, 7.96, 24.69)
CIE-LCH	lch(27.68, 25.94, 72.13°)
OKLab	oklab(37.95% 0.0212 0.0571)
OKLCH	oklch(37.95% 0.061 69.6)
XYZ	xyz(5.7445, 5.3375, 1.7644)
Luminance	0.0534 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573C1B #1B3657

analogous

#571E1B #573C1B #54571B

triadic

#573C1B #1B573C #3C1B57

tetradic

#573C1B #1B571E #1B3657 #571B54

square

#573C1B #1B571E #1B3657 #571B54

split-complementary

#573C1B #1B5457 #1E1B57

monochromatic

#171007 #281C0D #573C1B #865C29 #B47C38

Accessibility & contrast

On white

10.16

#573C1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#573C1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573C1B

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573C1B	#FFFFFF	#000000	##FFFFFF
##573C1B	1.00	10.16	2.07	10.16
#FFFFFF	10.16	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453E18

Deuteranopia (green-blind)

#4C441C

Tritanopia (blue-blind)

#5F3535

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #573c1b;
/* rgb */ color: rgb(87, 60, 27);
/* oklch */ color: oklch(37.9% 0.061 69.6);

Tailwind

colors: {
  custom: {
    50: '#897158',
    500: '#573c1b',
    950: '#000000',
  },
}

SCSS

$custom: #573c1b;
$custom-light: #897158;
$custom-dark: #000000;

JSON

{
  "hex": "#573c1b",
  "rgb": {
    "r": 87,
    "g": 60,
    "b": 27
  },
  "hsl": {
    "h": 33,
    "s": 52.632,
    "l": 22.353
  },
  "oklch": {
    "l": 0.37945,
    "c": 0.06089,
    "h": 69.6
  },
  "luminance": 0.05337
}

Semantic roles & 50–950 ramp

primary

#573C1B

secondary

#41638D

accent

#8DDC4C

background

#F8F6F5

surface

#F0ECE9

border

#CBC7C5

text

#0C0703

muted

#7D7A78

Preview Lab

Preview with #573C1B

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

Preview Lab → · Contrast checker → · Palette generator →