#523F18#523F18

#523F18 is a dark, moderate orange. Relative luminance 0.054; OKLCH L 38.0% C 0.061 H 82.9°. Best body text is #FFFFFF at 10.08:1 contrast (WCAG AA passes).

Color values

HEX	#523F18
RGB	rgb(82, 63, 24)
HSL	hsl(40, 55%, 21%)
HSV	hsv(40, 71%, 32%)
CMYK	cmyk(0%, 23.2%, 70.7%, 67.8%)
CIE-LAB	lab(27.89, 3.32, 26.44)
CIE-LCH	lch(27.89, 26.65, 82.85°)
OKLab	oklab(37.96% 0.0075 0.0605)
OKLCH	oklch(37.96% 0.061 82.9)
XYZ	xyz(5.4224, 5.4152, 1.6236)
Luminance	0.0541 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#523F18 #182B52

analogous

#522218 #523F18 #485218

triadic

#523F18 #18523F #3F1852

tetradic

#523F18 #185222 #182B52 #521848

square

#523F18 #185222 #182B52 #521848

split-complementary

#523F18 #184852 #221852

monochromatic

#181207 #231B0A #523F18 #816326 #B18834

Accessibility & contrast

On white

10.08

#523F18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#523F18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #523F18

10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##523F18	#FFFFFF	#000000	##FFFFFF
##523F18	1.00	10.08	2.08	10.08
#FFFFFF	10.08	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#473F14

Deuteranopia (green-blind)

#4C4419

Tritanopia (blue-blind)

#593936

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #523f18;
/* rgb */ color: rgb(82, 63, 24);
/* oklch */ color: oklch(38.0% 0.061 82.9);

Tailwind

colors: {
  custom: {
    50: '#857357',
    500: '#523f18',
    950: '#000000',
  },
}

SCSS

$custom: #523f18;
$custom-light: #857357;
$custom-dark: #000000;

JSON

{
  "hex": "#523f18",
  "rgb": {
    "r": 82,
    "g": 63,
    "b": 24
  },
  "hsl": {
    "h": 40.345,
    "s": 54.717,
    "l": 20.784
  },
  "oklch": {
    "l": 0.37956,
    "c": 0.06096,
    "h": 82.9
  },
  "luminance": 0.05415
}

Semantic roles & 50–950 ramp

primary

#523F18

secondary

#3D5689

accent

#7ADE4A

background

#F8F7F5

surface

#EFEDE9

border

#CAC8C5

text

#0B0803

muted

#7C7B78

Preview Lab

Preview with #523F18

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

Preview Lab → · Contrast checker → · Palette generator →