#663C11#663C11

#663C11 is a dark, moderate orange. Relative luminance 0.061; OKLCH L 39.9% C 0.081 H 61.7°. Best body text is #FFFFFF at 9.46:1 contrast (WCAG AA passes).

Color values

HEX#663C11
RGBrgb(102, 60, 17)
HSLhsl(30, 71%, 23%)
HSVhsv(30, 83%, 40%)
CMYKcmyk(0%, 41.2%, 83.3%, 60%)
CIE-LABlab(29.66, 14.73, 32.68)
CIE-LCHlch(29.66, 35.85, 65.73°)
OKLaboklab(39.9% 0.0384 0.0712)
OKLCHoklch(39.9% 0.081 61.7)
XYZxyz(7.1971, 6.0977, 1.3282)
Luminance0.0610 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#663C11 #113B66
analogous
#661111 #663C11 #656611
triadic
#663C11 #11663C #3C1166
tetradic
#663C11 #116611 #113B66 #661165
square
#663C11 #116611 #113B66 #661165
split-complementary
#663C11 #116566 #111166
monochromatic
#1A0F04 #321D08 #663C11 #9A5B1A #CF7A22

Accessibility & contrast

On white

9.46
#663C11 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.22
#663C11 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663C11
9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##663C11#FFFFFF#000000##FFFFFF
##663C111.009.462.229.46
#FFFFFF9.461.0021.001.00
#0000002.2221.001.0021.00
##FFFFFF9.461.0021.001.00

Color blindness preview

Protanopia (red-blind)
#49400B
Deuteranopia (green-blind)
#534A11
Tritanopia (blue-blind)
#703233
Achromatopsia (no color)
#464646

Design tokens & code

CSS
--color: #663c11;
/* rgb */ color: rgb(102, 60, 17);
/* oklch */ color: oklch(39.9% 0.081 61.7);
Tailwind
colors: {
  custom: {
    50: '#967252',
    500: '#663c11',
    950: '#000000',
  },
}
SCSS
$custom: #663c11;
$custom-light: #967252;
$custom-dark: #000000;
JSON
{
  "hex": "#663c11",
  "rgb": {
    "r": 102,
    "g": 60,
    "b": 17
  },
  "hsl": {
    "h": 30.353,
    "s": 71.429,
    "l": 23.333
  },
  "oklch": {
    "l": 0.39903,
    "c": 0.08089,
    "h": 61.7
  },
  "luminance": 0.06097
}

Semantic roles & 50–950 ramp

primary
#663C11
secondary
#35699E
accent
#93EE3A
background
#F9F6F4
surface
#F2ECE7
border
#CCC7C3
text
#0E0702
muted
#7E7A78

Preview Lab

Preview with #663C11

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

Preview Lab → · Contrast checker → · Palette generator →

#663C11 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva