#669CAE#669CAE

#669CAE is a light, moderate cyan. Relative luminance 0.297; OKLCH L 66.2% C 0.063 H 221.0°. Best body text is #000000 at 6.93:1 contrast (WCAG AA passes).

Color values

HEX#669CAE
RGBrgb(102, 156, 174)
HSLhsl(195, 31%, 54%)
HSVhsv(195, 41%, 68%)
CMYKcmyk(41.4%, 10.3%, 0%, 31.8%)
CIE-LABlab(61.36, -13.05, -14.98)
CIE-LCHlch(61.36, 19.87, 228.95°)
OKLaboklab(66.17% -0.0475 -0.0412)
OKLCHoklch(66.17% 0.063 221)
XYZxyz(25.0052, 29.6560, 44.4427)
Luminance0.2966 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#669CAE #AE7866
analogous
#66AE9C #669CAE #6678AE
triadic
#669CAE #AE669C #9CAE66
tetradic
#669CAE #9C66AE #AE7866 #78AE66
square
#669CAE #9C66AE #AE7866 #78AE66
split-complementary
#669CAE #AE6678 #AE9C66
monochromatic
#355964 #4A7C8C #669CAE #8EB6C3 #B6D0D8

Accessibility & contrast

On white

3.03
#669CAE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.93
#669CAE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669CAE
6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##669CAE#FFFFFF#000000##000000
##669CAE1.003.036.936.93
#FFFFFF3.031.0021.0021.00
#0000006.9321.001.001.00
##0000006.9321.001.001.00

Color blindness preview

Protanopia (red-blind)
#9199AF
Deuteranopia (green-blind)
#8690AE
Tritanopia (blue-blind)
#48A2A2
Achromatopsia (no color)
#949494

Design tokens & code

CSS
--color: #669cae;
/* rgb */ color: rgb(102, 156, 174);
/* oklch */ color: oklch(66.2% 0.063 221.0);
Tailwind
colors: {
  custom: {
    50: '#95b9c6',
    500: '#669cae',
    950: '#000000',
  },
}
SCSS
$custom: #669cae;
$custom-light: #95b9c6;
$custom-dark: #000000;
JSON
{
  "hex": "#669cae",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 174
  },
  "hsl": {
    "h": 195,
    "s": 30.769,
    "l": 54.118
  },
  "oklch": {
    "l": 0.66172,
    "c": 0.06288,
    "h": 221
  },
  "luminance": 0.29658
}

Semantic roles & 50–950 ramp

primary
#669CAE
secondary
#C7B0A9
accent
#7A61C7
background
#F9FBFC
surface
#F2F6F8
border
#CCD0D1
text
#0D1113
muted
#7E8082

Preview Lab

Preview with #669CAE

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

Preview Lab → · Contrast checker → · Palette generator →

#669CAE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva