#666A68#666A68

#666A68 is a mid, near-neutral grey. Relative luminance 0.141; OKLCH L 52.0% C 0.006 H 164.8°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX#666A68
RGBrgb(102, 106, 104)
HSLhsl(150, 2%, 41%)
HSVhsv(150, 4%, 42%)
CMYKcmyk(3.8%, 0%, 1.9%, 58.4%)
CIE-LABlab(44.42, -1.96, 0.58)
CIE-LCHlch(44.42, 2.04, 163.36°)
OKLaboklab(52.02% -0.0056 0.0015)
OKLCHoklch(52.02% 0.006 164.8)
XYZxyz(13.1318, 14.1323, 15.1300)
Luminance0.1413 (WCAG relative)
Temperatureneutral
Familygrey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#666A68 #6A6668
analogous
#666A66 #666A68 #666A6A
triadic
#666A68 #68666A #6A6866
tetradic
#666A68 #66666A #6A6668 #6A6A66
square
#666A68 #66666A #6A6668 #6A6A66
split-complementary
#666A68 #6A666A #6A6666
monochromatic
#2A2C2B #484B49 #666A68 #848987 #A3A7A5

Accessibility & contrast

On white

5.49
#666A68 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.83
#666A68 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666A68
5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##666A68#FFFFFF#000000##FFFFFF
##666A681.005.493.835.49
#FFFFFF5.491.0021.001.00
#0000003.8321.001.0021.00
##FFFFFF5.491.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6A6968
Deuteranopia (green-blind)
#696968
Tritanopia (blue-blind)
#656A69
Achromatopsia (no color)
#696969

Design tokens & code

CSS
--color: #666a68;
/* rgb */ color: rgb(102, 106, 104);
/* oklch */ color: oklch(52.0% 0.006 164.8);
Tailwind
colors: {
  custom: {
    50: '#919493',
    500: '#666a68',
    950: '#000000',
  },
}
SCSS
$custom: #666a68;
$custom-light: #919493;
$custom-dark: #000000;
JSON
{
  "hex": "#666a68",
  "rgb": {
    "r": 102,
    "g": 106,
    "b": 104
  },
  "hsl": {
    "h": 150,
    "s": 1.923,
    "l": 40.784
  },
  "oklch": {
    "l": 0.52015,
    "c": 0.00581,
    "h": 164.8
  },
  "luminance": 0.14132
}

Semantic roles & 50–950 ramp

primary
#666A68
secondary
#979496
accent
#7D94AB
background
#F8F9F9
surface
#F0F1F1
border
#CBCBCB
text
#0C0D0D
muted
#7D7E7E

Preview Lab

Preview with #666A68

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

Preview Lab → · Contrast checker → · Palette generator →

#666A68 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva