#663716#663716

#663716 is a dark, moderate orange. Relative luminance 0.056; OKLCH L 39.0% C 0.081 H 52.7°. Best body text is #FFFFFF at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#663716
RGB	rgb(102, 55, 22)
HSL	hsl(25, 65%, 24%)
HSV	hsv(25, 78%, 40%)
CMYK	cmyk(0%, 46.1%, 78.4%, 60%)
CIE-LAB	lab(28.42, 18.02, 28.92)
CIE-LCH	lch(28.42, 34.07, 58.07°)
OKLab	oklab(38.96% 0.049 0.0644)
OKLCH	oklch(38.96% 0.081 52.7)
XYZ	xyz(6.9911, 5.6159, 1.4747)
Luminance	0.0561 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663716 #164566

analogous

#66161D #663716 #665F16

triadic

#663716 #166637 #371666

tetradic

#663716 #1D6616 #164566 #5F1666

square

#663716 #1D6616 #164566 #5F1666

split-complementary

#663716 #16665F #161D66

monochromatic

#190E05 #341C0B #663716 #985221 #CB6D2C

Accessibility & contrast

On white

9.89

#663716 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#663716 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663716

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663716	#FFFFFF	#000000	##FFFFFF
##663716	1.00	9.89	2.12	9.89
#FFFFFF	9.89	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453D12

Deuteranopia (green-blind)

#504716

Tritanopia (blue-blind)

#702D30

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #663716;
/* rgb */ color: rgb(102, 55, 22);
/* oklch */ color: oklch(39.0% 0.081 52.7);

Tailwind

colors: {
  custom: {
    50: '#966e55',
    500: '#663716',
    950: '#000000',
  },
}

SCSS

$custom: #663716;
$custom-light: #966e55;
$custom-dark: #000000;

JSON

{
  "hex": "#663716",
  "rgb": {
    "r": 102,
    "g": 55,
    "b": 22
  },
  "hsl": {
    "h": 24.75,
    "s": 64.516,
    "l": 24.314
  },
  "oklch": {
    "l": 0.38964,
    "c": 0.08097,
    "h": 52.7
  },
  "luminance": 0.05615
}

Semantic roles & 50–950 ramp

primary

#663716

secondary

#3B749D

accent

#A3E840

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0703

muted

#7E7A78

Preview Lab

Preview with #663716

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

Preview Lab → · Contrast checker → · Palette generator →