#66686C#66686C

#66686C is a mid, near-neutral grey. Relative luminance 0.138; OKLCH L 51.7% C 0.007 H 264.5°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX#66686C
RGBrgb(102, 104, 108)
HSLhsl(220, 3%, 41%)
HSVhsv(220, 6%, 42%)
CMYKcmyk(5.6%, 3.7%, 0%, 57.6%)
CIE-LABlab(43.96, 0.08, -2.51)
CIE-LCHlch(43.96, 2.51, 271.78°)
OKLaboklab(51.69% -0.0006 -0.0067)
OKLCHoklch(51.69% 0.007 264.5)
XYZxyz(13.1361, 13.8081, 16.1576)
Luminance0.1381 (WCAG relative)
Temperatureneutral
Familygrey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66686C #6C6A66
analogous
#666B6C #66686C #67666C
triadic
#66686C #6C6668 #686C66
tetradic
#66686C #6C666B #6C6A66 #666C67
square
#66686C #6C666B #6C6A66 #666C67
split-complementary
#66686C #6C6766 #6B6C66
monochromatic
#2B2B2D #484A4D #66686C #84868B #A4A5A9

Accessibility & contrast

On white

5.58
#66686C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.76
#66686C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66686C
5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66686C#FFFFFF#000000##FFFFFF
##66686C1.005.583.765.58
#FFFFFF5.581.0021.001.00
#0000003.7621.001.0021.00
##FFFFFF5.581.0021.001.00

Color blindness preview

Protanopia (red-blind)
#67686C
Deuteranopia (green-blind)
#66686C
Tritanopia (blue-blind)
#656969
Achromatopsia (no color)
#686868

Design tokens & code

CSS
--color: #66686c;
/* rgb */ color: rgb(102, 104, 108);
/* oklch */ color: oklch(51.7% 0.007 264.5);
Tailwind
colors: {
  custom: {
    50: '#919396',
    500: '#66686c',
    950: '#000000',
  },
}
SCSS
$custom: #66686c;
$custom-light: #919396;
$custom-dark: #000000;
JSON
{
  "hex": "#66686c",
  "rgb": {
    "r": 102,
    "g": 104,
    "b": 108
  },
  "hsl": {
    "h": 220,
    "s": 2.857,
    "l": 41.176
  },
  "oklch": {
    "l": 0.51688,
    "c": 0.00674,
    "h": 264.5
  },
  "luminance": 0.13808
}

Semantic roles & 50–950 ramp

primary
#66686C
secondary
#999895
accent
#9C7CAC
background
#F8F9F9
surface
#F0F1F1
border
#CBCBCB
text
#0C0D0D
muted
#7D7E7E

Preview Lab

Preview with #66686C

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

Preview Lab → · Contrast checker → · Palette generator →

#66686C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva