#663F20#663F20

#663F20 is a dark, moderate orange. Relative luminance 0.065; OKLCH L 40.7% C 0.071 H 57.4°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).

Color values

HEX#663F20
RGBrgb(102, 63, 32)
HSLhsl(27, 52%, 26%)
HSVhsv(27, 69%, 40%)
CMYKcmyk(0%, 38.2%, 68.6%, 60%)
CIE-LABlab(30.60, 13.75, 25.70)
CIE-LCHlch(30.60, 29.15, 61.84°)
OKLaboklab(40.69% 0.038 0.0595)
OKLCHoklch(40.69% 0.071 57.4)
XYZxyz(7.5182, 6.4848, 2.2220)
Luminance0.0648 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#663F20 #204766
analogous
#662024 #663F20 #666220
triadic
#663F20 #20663F #3F2066
tetradic
#663F20 #246620 #204766 #622066
square
#663F20 #246620 #204766 #622066
split-complementary
#663F20 #206662 #202466
monochromatic
#170E07 #372211 #663F20 #955C2F #C2793E

Accessibility & contrast

On white

9.14
#663F20 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.30
#663F20 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663F20
9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##663F20#FFFFFF#000000##FFFFFF
##663F201.009.142.309.14
#FFFFFF9.141.0021.001.00
#0000002.3021.001.0021.00
##FFFFFF9.141.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4B431D
Deuteranopia (green-blind)
#544C20
Tritanopia (blue-blind)
#6F3738
Achromatopsia (no color)
#484848

Design tokens & code

CSS
--color: #663f20;
/* rgb */ color: rgb(102, 63, 32);
/* oklch */ color: oklch(40.7% 0.071 57.4);
Tailwind
colors: {
  custom: {
    50: '#95745c',
    500: '#663f20',
    950: '#000000',
  },
}
SCSS
$custom: #663f20;
$custom-light: #95745c;
$custom-dark: #000000;
JSON
{
  "hex": "#663f20",
  "rgb": {
    "r": 102,
    "g": 63,
    "b": 32
  },
  "hsl": {
    "h": 26.571,
    "s": 52.239,
    "l": 26.275
  },
  "oklch": {
    "l": 0.40685,
    "c": 0.0706,
    "h": 57.4
  },
  "luminance": 0.06484
}

Semantic roles & 50–950 ramp

primary
#663F20
secondary
#48769A
accent
#9CDC4C
background
#F9F7F5
surface
#F2EDE9
border
#CCC8C5
text
#0E0804
muted
#7E7B79

Preview Lab

Preview with #663F20

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

Preview Lab → · Contrast checker → · Palette generator →

#663F20 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva