#63531C#63531C

#63531C is a dark, moderate yellow. Relative luminance 0.089; OKLCH L 44.7% C 0.076 H 92.7°. Best body text is #FFFFFF at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#63531C
RGB	rgb(99, 83, 28)
HSL	hsl(46, 56%, 25%)
HSV	hsv(46, 72%, 39%)
CMYK	cmyk(0%, 16.2%, 71.7%, 61.2%)
CIE-LAB	lab(35.84, -0.29, 33.49)
CIE-LCH	lch(35.84, 33.49, 90.49°)
OKLab	oklab(44.68% -0.0036 0.0756)
OKLCH	oklch(44.68% 0.076 92.7)
XYZ	xyz(8.4489, 8.9235, 2.3758)
Luminance	0.0892 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63531C #1C2C63

analogous

#63301C #63531C #50631C

triadic

#63531C #1C6353 #531C63

tetradic

#63531C #1C6330 #1C2C63 #631C50

square

#63531C #1C6330 #1C2C63 #631C50

split-complementary

#63531C #1C5063 #301C63

monochromatic

#181407 #332B0F #63531C #937B29 #C2A337

Accessibility & contrast

On white

7.54

#63531C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#63531C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63531C

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63531C	#FFFFFF	#000000	##FFFFFF
##63531C	1.00	7.54	2.78	7.54
#FFFFFF	7.54	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5215

Deuteranopia (green-blind)

#60561F

Tritanopia (blue-blind)

#6B4C48

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #63531c;
/* rgb */ color: rgb(99, 83, 28);
/* oklch */ color: oklch(44.7% 0.076 92.7);

Tailwind

colors: {
  custom: {
    50: '#92835b',
    500: '#63531c',
    950: '#000000',
  },
}

SCSS

$custom: #63531c;
$custom-light: #92835b;
$custom-dark: #000000;

JSON

{
  "hex": "#63531c",
  "rgb": {
    "r": 99,
    "g": 83,
    "b": 28
  },
  "hsl": {
    "h": 46.479,
    "s": 55.906,
    "l": 24.902
  },
  "oklch": {
    "l": 0.44682,
    "c": 0.07566,
    "h": 92.7
  },
  "luminance": 0.08923
}

Semantic roles & 50–950 ramp

primary

#63531C

secondary

#435698

accent

#6BDF49

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0D0A04

muted

#7E7C79

Preview Lab

Preview with #63531C

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

Preview Lab → · Contrast checker → · Palette generator →