#663C16#663C16

#663C16 is a dark, moderate orange. Relative luminance 0.061; OKLCH L 40.0% C 0.078 H 59.3°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#663C16
RGB	rgb(102, 60, 22)
HSL	hsl(29, 65%, 24%)
HSV	hsv(29, 78%, 40%)
CMYK	cmyk(0%, 41.2%, 78.4%, 60%)
CIE-LAB	lab(29.70, 14.97, 30.24)
CIE-LCH	lch(29.70, 33.74, 63.66°)
OKLab	oklab(39.95% 0.0399 0.0673)
OKLCH	oklch(39.95% 0.078 59.3)
XYZ	xyz(7.2408, 6.1152, 1.5579)
Luminance	0.0611 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663C16 #164066

analogous

#661618 #663C16 #666416

triadic

#663C16 #16663C #3C1666

tetradic

#663C16 #186616 #164066 #641666

square

#663C16 #186616 #164066 #641666

split-complementary

#663C16 #166664 #161866

monochromatic

#190F05 #341E0B #663C16 #985A21 #CB772C

Accessibility & contrast

On white

9.45

#663C16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#663C16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663C16

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663C16	#FFFFFF	#000000	##FFFFFF
##663C16	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494011

Deuteranopia (green-blind)

#534A16

Tritanopia (blue-blind)

#703334

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #663c16;
/* rgb */ color: rgb(102, 60, 22);
/* oklch */ color: oklch(40.0% 0.078 59.3);

Tailwind

colors: {
  custom: {
    50: '#967255',
    500: '#663c16',
    950: '#000000',
  },
}

SCSS

$custom: #663c16;
$custom-light: #967255;
$custom-dark: #000000;

JSON

{
  "hex": "#663c16",
  "rgb": {
    "r": 102,
    "g": 60,
    "b": 22
  },
  "hsl": {
    "h": 28.5,
    "s": 64.516,
    "l": 24.314
  },
  "oklch": {
    "l": 0.39951,
    "c": 0.07823,
    "h": 59.3
  },
  "luminance": 0.06114
}

Semantic roles & 50–950 ramp

primary

#663C16

secondary

#3B6E9D

accent

#98E840

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0703

muted

#7E7A78

Preview Lab

Preview with #663C16

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

Preview Lab → · Contrast checker → · Palette generator →