#663F4E#663F4E

#663F4E is a dark, muted pink. Relative luminance 0.069; OKLCH L 41.8% C 0.058 H 355.3°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).

Color values

HEX#663F4E
RGBrgb(102, 63, 78)
HSLhsl(337, 24%, 32%)
HSVhsv(337, 38%, 40%)
CMYKcmyk(0%, 38.2%, 23.5%, 60%)
CIE-LABlab(31.65, 19.37, -1.93)
CIE-LCHlch(31.65, 19.47, 354.32°)
OKLaboklab(41.83% 0.0581 -0.0048)
OKLCHoklch(41.83% 0.058 355.3)
XYZxyz(8.6323, 6.9304, 8.0893)
Luminance0.0693 (WCAG relative)
Temperaturewarm
Familypink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#663F4E #3F6657
analogous
#663F61 #663F4E #66443F
triadic
#663F4E #4E663F #3F4E66
tetradic
#663F4E #61663F #3F6657 #443F66
square
#663F4E #61663F #3F6657 #443F66
split-complementary
#663F4E #3F6644 #3F6166
monochromatic
#1A1014 #402831 #663F4E #8C566B #AA758A

Accessibility & contrast

On white

8.80
#663F4E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.39
#663F4E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663F4E
8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##663F4E#FFFFFF#000000##FFFFFF
##663F4E1.008.802.398.80
#FFFFFF8.801.0021.001.00
#0000002.3921.001.0021.00
##FFFFFF8.801.0021.001.00

Color blindness preview

Protanopia (red-blind)
#43464F
Deuteranopia (green-blind)
#4D4D4D
Tritanopia (blue-blind)
#6C3D44
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #663f4e;
/* rgb */ color: rgb(102, 63, 78);
/* oklch */ color: oklch(41.8% 0.058 355.3);
Tailwind
colors: {
  custom: {
    50: '#92747f',
    500: '#663f4e',
    950: '#000000',
  },
}
SCSS
$custom: #663f4e;
$custom-light: #92747f;
$custom-dark: #000000;
JSON
{
  "hex": "#663f4e",
  "rgb": {
    "r": 102,
    "g": 63,
    "b": 78
  },
  "hsl": {
    "h": 336.923,
    "s": 23.636,
    "l": 32.353
  },
  "oklch": {
    "l": 0.41829,
    "c": 0.05831,
    "h": 355.3
  },
  "luminance": 0.0693
}

Semantic roles & 50–950 ramp

primary
#663F4E
secondary
#6B9585
accent
#C09E68
background
#F9F7F7
surface
#F1EDEE
border
#CBC8C9
text
#0D080A
muted
#7E7B7C

Preview Lab

Preview with #663F4E

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

Preview Lab → · Contrast checker → · Palette generator →

#663F4E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva