#664A55#664A55

#664A55 is a dark, muted pink. Relative luminance 0.084; OKLCH L 44.3% C 0.041 H 353.5°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX#664A55
RGBrgb(102, 74, 85)
HSLhsl(336, 16%, 35%)
HSVhsv(336, 27%, 40%)
CMYKcmyk(0%, 27.5%, 16.7%, 60%)
CIE-LABlab(34.76, 13.80, -1.83)
CIE-LCHlch(34.76, 13.92, 352.47°)
OKLaboklab(44.29% 0.041 -0.0046)
OKLCHoklch(44.29% 0.041 353.5)
XYZxyz(9.5680, 8.3786, 9.7058)
Luminance0.0838 (WCAG relative)
Temperaturewarm
Familypink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#664A55 #4A665B
analogous
#664A63 #664A55 #664D4A
triadic
#664A55 #55664A #4A5566
tetradic
#664A55 #63664A #4A665B #4D4A66
square
#664A55 #63664A #4A665B #4D4A66
split-complementary
#664A55 #4A664D #4A6366
monochromatic
#1F171A #433037 #664A55 #896473 #A68492

Accessibility & contrast

On white

7.85
#664A55 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.68
#664A55 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #664A55
7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##664A55#FFFFFF#000000##FFFFFF
##664A551.007.852.687.85
#FFFFFF7.851.0021.001.00
#0000002.6821.001.0021.00
##FFFFFF7.851.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4D4F55
Deuteranopia (green-blind)
#535354
Tritanopia (blue-blind)
#6A494E
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #664a55;
/* rgb */ color: rgb(102, 74, 85);
/* oklch */ color: oklch(44.3% 0.041 353.5);
Tailwind
colors: {
  custom: {
    50: '#927c84',
    500: '#664a55',
    950: '#000000',
  },
}
SCSS
$custom: #664a55;
$custom-light: #927c84;
$custom-dark: #000000;
JSON
{
  "hex": "#664a55",
  "rgb": {
    "r": 102,
    "g": 74,
    "b": 85
  },
  "hsl": {
    "h": 336.429,
    "s": 15.909,
    "l": 34.51
  },
  "oklch": {
    "l": 0.4429,
    "c": 0.0413,
    "h": 353.5
  },
  "luminance": 0.08378
}

Semantic roles & 50–950 ramp

primary
#664A55
secondary
#789389
accent
#B99C6F
background
#F9F7F8
surface
#F1EEEF
border
#CBC9CA
text
#0D090B
muted
#7E7B7C

Preview Lab

Preview with #664A55

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

Preview Lab → · Contrast checker → · Palette generator →

#664A55 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva