#663D0F#663D0F

#663D0F is a dark, moderate orange. Relative luminance 0.062; OKLCH L 40.1% C 0.082 H 63.8°. Best body text is #FFFFFF at 9.38:1 contrast (WCAG AA passes).

Color values

HEX#663D0F
RGBrgb(102, 61, 15)
HSLhsl(32, 74%, 23%)
HSVhsv(32, 85%, 40%)
CMYKcmyk(0%, 40.2%, 85.3%, 60%)
CIE-LABlab(29.91, 14.04, 33.82)
CIE-LCHlch(29.91, 36.62, 67.46°)
OKLaboklab(40.09% 0.0361 0.0731)
OKLCHoklch(40.09% 0.082 63.8)
XYZxyz(7.2351, 6.1975, 1.2671)
Luminance0.0620 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#663D0F #0F3866
analogous
#66110F #663D0F #63660F
triadic
#663D0F #0F663D #3D0F66
tetradic
#663D0F #0F6611 #0F3866 #660F63
square
#663D0F #0F6611 #0F3866 #660F63
split-complementary
#663D0F #0F6366 #110F66
monochromatic
#1B1004 #311D07 #663D0F #9B5D17 #D17D1F

Accessibility & contrast

On white

9.38
#663D0F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.24
#663D0F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663D0F
9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##663D0F#FFFFFF#000000##FFFFFF
##663D0F1.009.382.249.38
#FFFFFF9.381.0021.001.00
#0000002.2421.001.0021.00
##FFFFFF9.381.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4A4107
Deuteranopia (green-blind)
#544A10
Tritanopia (blue-blind)
#703434
Achromatopsia (no color)
#464646

Design tokens & code

CSS
--color: #663d0f;
/* rgb */ color: rgb(102, 61, 15);
/* oklch */ color: oklch(40.1% 0.082 63.8);
Tailwind
colors: {
  custom: {
    50: '#967251',
    500: '#663d0f',
    950: '#000000',
  },
}
SCSS
$custom: #663d0f;
$custom-light: #967251;
$custom-dark: #000000;
JSON
{
  "hex": "#663d0f",
  "rgb": {
    "r": 102,
    "g": 61,
    "b": 15
  },
  "hsl": {
    "h": 31.724,
    "s": 74.359,
    "l": 22.941
  },
  "oklch": {
    "l": 0.4009,
    "c": 0.08151,
    "h": 63.8
  },
  "luminance": 0.06197
}

Semantic roles & 50–950 ramp

primary
#663D0F
secondary
#32659F
accent
#8FF137
background
#F9F6F4
surface
#F2ECE7
border
#CCC7C3
text
#0E0802
muted
#7E7B78

Preview Lab

Preview with #663D0F

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

Preview Lab → · Contrast checker → · Palette generator →

#663D0F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva