#663C10#663C10

#663C10 is a dark, moderate orange. Relative luminance 0.061; OKLCH L 39.9% C 0.081 H 62.1°. Best body text is #FFFFFF at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#663C10
RGB	rgb(102, 60, 16)
HSL	hsl(31, 73%, 23%)
HSV	hsv(31, 84%, 40%)
CMYK	cmyk(0%, 41.2%, 84.3%, 60%)
CIE-LAB	lab(29.65, 14.69, 33.14)
CIE-LCH	lch(29.65, 36.25, 66.09°)
OKLab	oklab(39.9% 0.0381 0.0719)
OKLCH	oklch(39.9% 0.081 62.1)
XYZ	xyz(7.1895, 6.0946, 1.2879)
Luminance	0.0609 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663C10 #103A66

analogous

#661110 #663C10 #656610

triadic

#663C10 #10663C #3C1066

tetradic

#663C10 #106611 #103A66 #661065

square

#663C10 #106611 #103A66 #661065

split-complementary

#663C10 #106566 #111066

monochromatic

#1A1004 #311D08 #663C10 #9B5B18 #D07A21

Accessibility & contrast

On white

9.46

#663C10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#663C10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663C10

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663C10	#FFFFFF	#000000	##FFFFFF
##663C10	1.00	9.46	2.22	9.46
#FFFFFF	9.46	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494009

Deuteranopia (green-blind)

#534A10

Tritanopia (blue-blind)

#703233

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #663c10;
/* rgb */ color: rgb(102, 60, 16);
/* oklch */ color: oklch(39.9% 0.081 62.1);

Tailwind

colors: {
  custom: {
    50: '#967252',
    500: '#663c10',
    950: '#000000',
  },
}

SCSS

$custom: #663c10;
$custom-light: #967252;
$custom-dark: #000000;

JSON

{
  "hex": "#663c10",
  "rgb": {
    "r": 102,
    "g": 60,
    "b": 16
  },
  "hsl": {
    "h": 30.698,
    "s": 72.881,
    "l": 23.137
  },
  "oklch": {
    "l": 0.39895,
    "c": 0.08139,
    "h": 62.1
  },
  "luminance": 0.06094
}

Semantic roles & 50–950 ramp

primary

#663C10

secondary

#33689E

accent

#92F038

background

#F9F6F4

surface

#F2ECE7

border

#CCC7C3

text

#0E0702

muted

#7E7A78

Preview Lab

Preview with #663C10

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

Preview Lab → · Contrast checker → · Palette generator →