#664E5E#664E5E

#664E5E is a mid, muted pink. Relative luminance 0.091; OKLCH L 45.5% C 0.040 H 339.0°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).

Color values

HEX#664E5E
RGBrgb(102, 78, 94)
HSLhsl(320, 13%, 35%)
HSVhsv(320, 24%, 40%)
CMYKcmyk(0%, 23.5%, 7.8%, 60%)
CIE-LABlab(36.14, 13.04, -5.46)
CIE-LCHlch(36.14, 14.14, 337.29°)
OKLaboklab(45.45% 0.0376 -0.0144)
OKLCHoklch(45.45% 0.04 339)
XYZxyz(10.2241, 9.0820, 11.8019)
Luminance0.0908 (WCAG relative)
Temperaturewarm
Familypink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#664E5E #4E6656
analogous
#624E66 #664E5E #664E52
triadic
#664E5E #5E664E #4E5E66
tetradic
#664E5E #66624E #4E6656 #4E5266
square
#664E5E #66624E #4E6656 #4E5266
split-complementary
#664E5E #52664E #4E6662
monochromatic
#21191E #43333E #664E5E #89697E #A5899C

Accessibility & contrast

On white

7.46
#664E5E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.82
#664E5E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #664E5E
7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##664E5E#FFFFFF#000000##FFFFFF
##664E5E1.007.462.827.46
#FFFFFF7.461.0021.001.00
#0000002.8221.001.0021.00
##FFFFFF7.461.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4F535F
Deuteranopia (green-blind)
#54565D
Tritanopia (blue-blind)
#694E53
Achromatopsia (no color)
#555555

Design tokens & code

CSS
--color: #664e5e;
/* rgb */ color: rgb(102, 78, 94);
/* oklch */ color: oklch(45.5% 0.040 339.0);
Tailwind
colors: {
  custom: {
    50: '#927f8b',
    500: '#664e5e',
    950: '#000000',
  },
}
SCSS
$custom: #664e5e;
$custom-light: #927f8b;
$custom-dark: #000000;
JSON
{
  "hex": "#664e5e",
  "rgb": {
    "r": 102,
    "g": 78,
    "b": 94
  },
  "hsl": {
    "h": 320,
    "s": 13.333,
    "l": 35.294
  },
  "oklch": {
    "l": 0.45454,
    "c": 0.04023,
    "h": 339
  },
  "luminance": 0.09082
}

Semantic roles & 50–950 ramp

primary
#664E5E
secondary
#7D9384
accent
#B68872
background
#F8F7F8
surface
#F0EEF0
border
#CBC9CB
text
#0D0A0C
muted
#7D7C7D

Preview Lab

Preview with #664E5E

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

Preview Lab → · Contrast checker → · Palette generator →

#664E5E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva