#573F17#573F17

#573F17 is a dark, moderate orange. Relative luminance 0.056; OKLCH L 38.6% C 0.065 H 77.4°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#573F17
RGB	rgb(87, 63, 23)
HSL	hsl(38, 58%, 22%)
HSV	hsv(38, 74%, 34%)
CMYK	cmyk(0%, 27.6%, 73.6%, 65.9%)
CIE-LAB	lab(28.49, 5.77, 27.82)
CIE-LCH	lch(28.49, 28.41, 78.28°)
OKLab	oklab(38.57% 0.0141 0.0631)
OKLCH	oklch(38.57% 0.065 77.4)
XYZ	xyz(5.8630, 5.6435, 1.5910)
Luminance	0.0564 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573F17 #172F57

analogous

#571F17 #573F17 #4F5717

triadic

#573F17 #17573F #3F1757

tetradic

#573F17 #17571F #172F57 #57174F

square

#573F17 #17571F #172F57 #57174F

split-complementary

#573F17 #174F57 #1F1757

monochromatic

#181206 #271C0A #573F17 #876224 #B88531

Accessibility & contrast

On white

9.87

#573F17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#573F17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573F17

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573F17	#FFFFFF	#000000	##FFFFFF
##573F17	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484012

Deuteranopia (green-blind)

#4E4618

Tritanopia (blue-blind)

#5F3836

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #573f17;
/* rgb */ color: rgb(87, 63, 23);
/* oklch */ color: oklch(38.6% 0.065 77.4);

Tailwind

colors: {
  custom: {
    50: '#897356',
    500: '#573f17',
    950: '#000000',
  },
}

SCSS

$custom: #573f17;
$custom-light: #897356;
$custom-dark: #000000;

JSON

{
  "hex": "#573f17",
  "rgb": {
    "r": 87,
    "g": 63,
    "b": 23
  },
  "hsl": {
    "h": 37.5,
    "s": 58.182,
    "l": 21.569
  },
  "oklch": {
    "l": 0.3857,
    "c": 0.06463,
    "h": 77.4
  },
  "luminance": 0.05643
}

Semantic roles & 50–950 ramp

primary

#573F17

secondary

#3C5B8E

accent

#81E146

background

#F8F7F5

surface

#F0EDE9

border

#CBC8C5

text

#0C0803

muted

#7D7B78

Preview Lab

Preview with #573F17

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

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