#664E44#664E44

#664E44 is a dark, muted orange. Relative luminance 0.087; OKLCH L 44.6% C 0.036 H 43.7°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX#664E44
RGBrgb(102, 78, 68)
HSLhsl(18, 20%, 33%)
HSVhsv(18, 33%, 40%)
CMYKcmyk(0%, 23.5%, 33.3%, 60%)
CIE-LABlab(35.38, 8.49, 9.80)
CIE-LCHlch(35.38, 12.96, 49.10°)
OKLaboklab(44.62% 0.0263 0.0251)
OKLCHoklch(44.62% 0.036 43.7)
XYZxyz(9.2475, 8.6914, 6.6582)
Luminance0.0869 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#664E44 #445C66
analogous
#66444B #664E44 #665F44
triadic
#664E44 #44664E #4E4466
tetradic
#664E44 #4B6644 #445C66 #5F4466
square
#664E44 #4B6644 #445C66 #5F4466
split-complementary
#664E44 #44665F #444B66
monochromatic
#1D1613 #41322C #664E44 #8B6A5C #A8897C

Accessibility & contrast

On white

7.67
#664E44 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.74
#664E44 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #664E44
7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##664E44#FFFFFF#000000##FFFFFF
##664E441.007.672.747.67
#FFFFFF7.671.0021.001.00
#0000002.7421.001.0021.00
##FFFFFF7.671.0021.001.00

Color blindness preview

Protanopia (red-blind)
#545043
Deuteranopia (green-blind)
#5A5544
Tritanopia (blue-blind)
#6C4A4B
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #664e44;
/* rgb */ color: rgb(102, 78, 68);
/* oklch */ color: oklch(44.6% 0.036 43.7);
Tailwind
colors: {
  custom: {
    50: '#927f77',
    500: '#664e44',
    950: '#000000',
  },
}
SCSS
$custom: #664e44;
$custom-light: #927f77;
$custom-dark: #000000;
JSON
{
  "hex": "#664e44",
  "rgb": {
    "r": 102,
    "g": 78,
    "b": 68
  },
  "hsl": {
    "h": 17.647,
    "s": 20,
    "l": 33.333
  },
  "oklch": {
    "l": 0.44616,
    "c": 0.03635,
    "h": 43.7
  },
  "luminance": 0.08691
}

Semantic roles & 50–950 ramp

primary
#664E44
secondary
#728A94
accent
#A5BD6B
background
#F9F7F7
surface
#F1EEED
border
#CBC9C8
text
#0D0A08
muted
#7E7C7B

Preview Lab

Preview with #664E44

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

Preview Lab → · Contrast checker → · Palette generator →

#664E44 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva