#66656D#66656D

#66656D is a mid, near-neutral grey. Relative luminance 0.132; OKLCH L 51.0% C 0.013 H 291.7°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX#66656D
RGBrgb(102, 101, 109)
HSLhsl(248, 4%, 41%)
HSVhsv(248, 7%, 43%)
CMYKcmyk(6.4%, 7.3%, 0%, 57.3%)
CIE-LABlab(43.12, 2.09, -4.36)
CIE-LCHlch(43.12, 4.83, 295.64°)
OKLaboklab(51.04% 0.0046 -0.0117)
OKLCHoklch(51.04% 0.013 291.7)
XYZxyz(12.8930, 13.2362, 16.3406)
Luminance0.1324 (WCAG relative)
Temperatureneutral
Familygrey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66656D #6C6D65
analogous
#65686D #66656D #6A656D
triadic
#66656D #6D6665 #656D66
tetradic
#66656D #6D6568 #6C6D65 #656D6A
square
#66656D #6D6568 #6C6D65 #656D6A
split-complementary
#66656D #6D6A65 #686D65
monochromatic
#2B2A2D #48484D #66656D #84838C #A4A3AA

Accessibility & contrast

On white

5.76
#66656D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.65
#66656D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66656D
5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66656D#FFFFFF#000000##FFFFFF
##66656D1.005.763.655.76
#FFFFFF5.761.0021.001.00
#0000003.6521.001.0021.00
##FFFFFF5.761.0021.001.00

Color blindness preview

Protanopia (red-blind)
#63666D
Deuteranopia (green-blind)
#63666D
Tritanopia (blue-blind)
#656668
Achromatopsia (no color)
#666666

Design tokens & code

CSS
--color: #66656d;
/* rgb */ color: rgb(102, 101, 109);
/* oklch */ color: oklch(51.0% 0.013 291.7);
Tailwind
colors: {
  custom: {
    50: '#919096',
    500: '#66656d',
    950: '#000000',
  },
}
SCSS
$custom: #66656d;
$custom-light: #919096;
$custom-dark: #000000;
JSON
{
  "hex": "#66656d",
  "rgb": {
    "r": 102,
    "g": 101,
    "b": 109
  },
  "hsl": {
    "h": 247.5,
    "s": 3.81,
    "l": 41.176
  },
  "oklch": {
    "l": 0.5104,
    "c": 0.01255,
    "h": 291.7
  },
  "luminance": 0.13236
}

Semantic roles & 50–950 ramp

primary
#66656D
secondary
#999A94
accent
#AD7BA7
background
#F8F8F9
surface
#F0F0F2
border
#CBCBCC
text
#0C0C0D
muted
#7D7D7E

Preview Lab

Preview with #66656D

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

Preview Lab → · Contrast checker → · Palette generator →

#66656D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva