#66746C#66746C

#66746C is a mid, muted grey. Relative luminance 0.164; OKLCH L 54.5% C 0.021 H 160.6°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX#66746C
RGBrgb(102, 116, 108)
HSLhsl(146, 6%, 43%)
HSVhsv(146, 12%, 45%)
CMYKcmyk(12.1%, 0%, 6.9%, 54.5%)
CIE-LABlab(47.49, -6.93, 2.65)
CIE-LCHlch(47.49, 7.42, 159.09°)
OKLaboklab(54.48% -0.0196 0.0069)
OKLCHoklch(54.48% 0.021 160.6)
XYZxyz(14.4310, 16.3980, 16.5893)
Luminance0.1640 (WCAG relative)
Temperatureneutral
Familygrey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66746C #74666E
analogous
#677466 #66746C #667473
triadic
#66746C #6C6674 #746C66
tetradic
#66746C #666774 #74666E #747366
square
#66746C #666774 #74666E #747366
split-complementary
#66746C #736674 #746667
monochromatic
#2D332F #49534E #66746C #84938B #A5B0A9

Accessibility & contrast

On white

4.91
#66746C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.28
#66746C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66746C
4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66746C#FFFFFF#000000##FFFFFF
##66746C1.004.914.284.91
#FFFFFF4.911.0021.001.00
#0000004.2821.001.0021.00
##FFFFFF4.911.0021.001.00

Color blindness preview

Protanopia (red-blind)
#74726C
Deuteranopia (green-blind)
#71706C
Tritanopia (blue-blind)
#647472
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #66746c;
/* rgb */ color: rgb(102, 116, 108);
/* oklch */ color: oklch(54.5% 0.021 160.6);
Tailwind
colors: {
  custom: {
    50: '#919c96',
    500: '#66746c',
    950: '#000000',
  },
}
SCSS
$custom: #66746c;
$custom-light: #919c96;
$custom-dark: #000000;
JSON
{
  "hex": "#66746c",
  "rgb": {
    "r": 102,
    "g": 116,
    "b": 108
  },
  "hsl": {
    "h": 145.714,
    "s": 6.422,
    "l": 42.745
  },
  "oklch": {
    "l": 0.54479,
    "c": 0.02079,
    "h": 160.6
  },
  "luminance": 0.16398
}

Semantic roles & 50–950 ramp

primary
#66746C
secondary
#9F969C
accent
#7898B0
background
#F8F9F9
surface
#F0F2F1
border
#CBCCCB
text
#0C0E0D
muted
#7D7E7E

Preview Lab

Preview with #66746C

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

Preview Lab → · Contrast checker → · Palette generator →

#66746C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva