#664D0F#664D0F

#664D0F is a dark, moderate orange. Relative luminance 0.082; OKLCH L 43.5% C 0.082 H 84.8°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX#664D0F
RGBrgb(102, 77, 15)
HSLhsl(43, 74%, 23%)
HSVhsv(43, 85%, 40%)
CMYKcmyk(0%, 24.5%, 85.3%, 60%)
CIE-LABlab(34.33, 4.18, 37.83)
CIE-LCHlch(34.33, 38.06, 83.70°)
OKLaboklab(43.54% 0.0074 0.0818)
OKLCHoklch(43.54% 0.082 84.8)
XYZxyz(8.2201, 8.1676, 1.5954)
Luminance0.0817 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#664D0F #0F2866
analogous
#66220F #664D0F #53660F
triadic
#664D0F #0F664D #4D0F66
tetradic
#664D0F #0F6622 #0F2866 #660F53
square
#664D0F #0F6622 #0F2866 #660F53
split-complementary
#664D0F #0F5366 #220F66
monochromatic
#1B1404 #312507 #664D0F #9B7517 #D19E1F

Accessibility & contrast

On white

7.97
#664D0F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.63
#664D0F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #664D0F
7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##664D0F#FFFFFF#000000##FFFFFF
##664D0F1.007.972.637.97
#FFFFFF7.971.0021.001.00
#0000002.6321.001.0021.00
##FFFFFF7.971.0021.001.00

Color blindness preview

Protanopia (red-blind)
#584D03
Deuteranopia (green-blind)
#5E5312
Tritanopia (blue-blind)
#6F4541
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #664d0f;
/* rgb */ color: rgb(102, 77, 15);
/* oklch */ color: oklch(43.5% 0.082 84.8);
Tailwind
colors: {
  custom: {
    50: '#957e54',
    500: '#664d0f',
    950: '#000000',
  },
}
SCSS
$custom: #664d0f;
$custom-light: #957e54;
$custom-dark: #000000;
JSON
{
  "hex": "#664d0f",
  "rgb": {
    "r": 102,
    "g": 77,
    "b": 15
  },
  "hsl": {
    "h": 42.759,
    "s": 74.359,
    "l": 22.941
  },
  "oklch": {
    "l": 0.43542,
    "c": 0.08213,
    "h": 84.8
  },
  "luminance": 0.08167
}

Semantic roles & 50–950 ramp

primary
#664D0F
secondary
#32519F
accent
#6CF137
background
#F9F7F4
surface
#F2EEE8
border
#CCC9C4
text
#0E0903
muted
#7E7B78

Preview Lab

Preview with #664D0F

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

Preview Lab → · Contrast checker → · Palette generator →

#664D0F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva