#668D9C#668D9C

#668D9C is a light, muted cyan. Relative luminance 0.243; OKLCH L 62.0% C 0.049 H 223.7°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX#668D9C
RGBrgb(102, 141, 156)
HSLhsl(197, 21%, 51%)
HSVhsv(197, 35%, 61%)
CMYKcmyk(34.6%, 9.6%, 0%, 38.8%)
CIE-LABlab(56.36, -9.61, -12.28)
CIE-LCHlch(56.36, 15.59, 231.94°)
OKLaboklab(62% -0.0352 -0.0336)
OKLCHoklch(62% 0.049 223.7)
XYZxyz(21.0032, 24.2737, 35.0246)
Luminance0.2427 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668D9C #9C7566
analogous
#669C90 #668D9C #66729C
triadic
#668D9C #9C668D #8D9C66
tetradic
#668D9C #90669C #9C7566 #729C66
square
#668D9C #90669C #9C7566 #729C66
split-complementary
#668D9C #9C6672 #9C9066
monochromatic
#354A52 #4D6C77 #668D9C #8BA9B4 #B0C4CC

Accessibility & contrast

On white

3.59
#668D9C on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.86
#668D9C on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668D9C
5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668D9C#FFFFFF#000000##000000
##668D9C1.003.595.865.86
#FFFFFF3.591.0021.0021.00
#0000005.8621.001.001.00
##0000005.8621.001.001.00

Color blindness preview

Protanopia (red-blind)
#848B9D
Deuteranopia (green-blind)
#7C849C
Tritanopia (blue-blind)
#539292
Achromatopsia (no color)
#878787

Design tokens & code

CSS
--color: #668d9c;
/* rgb */ color: rgb(102, 141, 156);
/* oklch */ color: oklch(62.0% 0.049 223.7);
Tailwind
colors: {
  custom: {
    50: '#93aeb9',
    500: '#668d9c',
    950: '#000000',
  },
}
SCSS
$custom: #668d9c;
$custom-light: #93aeb9;
$custom-dark: #000000;
JSON
{
  "hex": "#668d9c",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 156
  },
  "hsl": {
    "h": 196.667,
    "s": 21.429,
    "l": 50.588
  },
  "oklch": {
    "l": 0.62002,
    "c": 0.04865,
    "h": 223.7
  },
  "luminance": 0.24275
}

Semantic roles & 50–950 ramp

primary
#668D9C
secondary
#BBAAA3
accent
#816ABE
background
#F9FAFB
surface
#F1F4F6
border
#CBCED0
text
#0D1011
muted
#7E7F80

Preview Lab

Preview with #668D9C

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

Preview Lab → · Contrast checker → · Palette generator →

#668D9C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva