#668D9F#668D9F

#668D9F is a light, muted cyan. Relative luminance 0.244; OKLCH L 62.1% C 0.051 H 228.2°. Best body text is #000000 at 5.88:1 contrast (WCAG AA passes).

Color values

HEX#668D9F
RGBrgb(102, 141, 159)
HSLhsl(199, 23%, 51%)
HSVhsv(199, 36%, 62%)
CMYKcmyk(35.8%, 11.3%, 0%, 37.6%)
CIE-LABlab(56.46, -8.82, -13.84)
CIE-LCHlch(56.46, 16.42, 237.48°)
OKLaboklab(62.12% -0.034 -0.038)
OKLCHoklch(62.12% 0.051 228.2)
XYZxyz(21.2603, 24.3766, 36.3791)
Luminance0.2438 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668D9F #9F7866
analogous
#669F94 #668D9F #66709F
triadic
#668D9F #9F668D #8D9F66
tetradic
#668D9F #94669F #9F7866 #709F66
square
#668D9F #94669F #9F7866 #709F66
split-complementary
#668D9F #9F6670 #9F9466
monochromatic
#354B55 #4D6C7B #668D9F #8CA9B7 #B1C5CE

Accessibility & contrast

On white

3.57
#668D9F on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.88
#668D9F on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668D9F
5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668D9F#FFFFFF#000000##000000
##668D9F1.003.575.885.88
#FFFFFF3.571.0021.0021.00
#0000005.8821.001.001.00
##0000005.8821.001.001.00

Color blindness preview

Protanopia (red-blind)
#848BA0
Deuteranopia (green-blind)
#7B859F
Tritanopia (blue-blind)
#529293
Achromatopsia (no color)
#878787

Design tokens & code

CSS
--color: #668d9f;
/* rgb */ color: rgb(102, 141, 159);
/* oklch */ color: oklch(62.1% 0.051 228.2);
Tailwind
colors: {
  custom: {
    50: '#94aebb',
    500: '#668d9f',
    950: '#000000',
  },
}
SCSS
$custom: #668d9f;
$custom-light: #94aebb;
$custom-dark: #000000;
JSON
{
  "hex": "#668d9f",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 159
  },
  "hsl": {
    "h": 198.947,
    "s": 22.892,
    "l": 51.176
  },
  "oklch": {
    "l": 0.62116,
    "c": 0.05096,
    "h": 228.2
  },
  "luminance": 0.24378
}

Semantic roles & 50–950 ramp

primary
#668D9F
secondary
#BDACA4
accent
#8468BF
background
#F9FAFB
surface
#F1F4F6
border
#CBCED0
text
#0D1011
muted
#7E7F80

Preview Lab

Preview with #668D9F

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

Preview Lab → · Contrast checker → · Palette generator →

#668D9F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva