#663B22#663B22

#663B22 is a dark, moderate orange. Relative luminance 0.061; OKLCH L 39.9% C 0.072 H 49.8°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX#663B22
RGBrgb(102, 59, 34)
HSLhsl(22, 50%, 27%)
HSVhsv(22, 67%, 40%)
CMYKcmyk(0%, 42.2%, 66.7%, 60%)
CIE-LABlab(29.59, 16.36, 23.32)
CIE-LCHlch(29.59, 28.49, 54.95°)
OKLaboklab(39.91% 0.0462 0.0546)
OKLCHoklch(39.91% 0.072 49.8)
XYZxyz(7.3327, 6.0689, 2.2983)
Luminance0.0607 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#663B22 #224D66
analogous
#66222B #663B22 #665D22
triadic
#663B22 #22663B #3B2266
tetradic
#663B22 #2B6622 #224D66 #5D2266
square
#663B22 #2B6622 #224D66 #5D2266
split-complementary
#663B22 #22665D #222B66
monochromatic
#170D08 #382013 #663B22 #945631 #C07142

Accessibility & contrast

On white

9.49
#663B22 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.21
#663B22 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663B22
9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##663B22#FFFFFF#000000##FFFFFF
##663B221.009.492.219.49
#FFFFFF9.491.0021.001.00
#0000002.2121.001.0021.00
##FFFFFF9.491.0021.001.00

Color blindness preview

Protanopia (red-blind)
#474020
Deuteranopia (green-blind)
#514922
Tritanopia (blue-blind)
#703335
Achromatopsia (no color)
#464646

Design tokens & code

CSS
--color: #663b22;
/* rgb */ color: rgb(102, 59, 34);
/* oklch */ color: oklch(39.9% 0.072 49.8);
Tailwind
colors: {
  custom: {
    50: '#95715e',
    500: '#663b22',
    950: '#000000',
  },
}
SCSS
$custom: #663b22;
$custom-light: #95715e;
$custom-dark: #000000;
JSON
{
  "hex": "#663b22",
  "rgb": {
    "r": 102,
    "g": 59,
    "b": 34
  },
  "hsl": {
    "h": 22.059,
    "s": 50,
    "l": 26.667
  },
  "oklch": {
    "l": 0.39908,
    "c": 0.07155,
    "h": 49.8
  },
  "luminance": 0.06068
}

Semantic roles & 50–950 ramp

primary
#663B22
secondary
#4A7C9A
accent
#A6DA4E
background
#F9F6F5
surface
#F2ECE9
border
#CCC7C5
text
#0E0704
muted
#7E7A79

Preview Lab

Preview with #663B22

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

Preview Lab → · Contrast checker → · Palette generator →

#663B22 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva