#668EAF#668EAF

#668EAF is a light, moderate cyan. Relative luminance 0.253; OKLCH L 63.0% C 0.067 H 244.0°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX#668EAF
RGBrgb(102, 142, 175)
HSLhsl(207, 31%, 54%)
HSVhsv(207, 42%, 69%)
CMYKcmyk(41.7%, 18.9%, 0%, 31.4%)
CIE-LABlab(57.33, -5.02, -21.67)
CIE-LCHlch(57.33, 22.25, 256.97°)
OKLaboklab(63% -0.0292 -0.06)
OKLCHoklch(63% 0.067 244)
XYZxyz(22.8878, 25.2645, 44.2196)
Luminance0.2527 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668EAF #AF8766
analogous
#66AFAB #668EAF #666AAF
triadic
#668EAF #AF668E #8EAF66
tetradic
#668EAF #AB66AF #AF8766 #6AAF66
square
#668EAF #AB66AF #AF8766 #6AAF66
split-complementary
#668EAF #AF666A #AFAB66
monochromatic
#355066 #4A6F8E #668EAF #8EACC4 #B6C9D9

Accessibility & contrast

On white

3.47
#668EAF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.05
#668EAF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668EAF
6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668EAF#FFFFFF#000000##000000
##668EAF1.003.476.056.05
#FFFFFF3.471.0021.0021.00
#0000006.0521.001.001.00
##0000006.0521.001.001.00

Color blindness preview

Protanopia (red-blind)
#808EB1
Deuteranopia (green-blind)
#7786AE
Tritanopia (blue-blind)
#4B9699
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #668eaf;
/* rgb */ color: rgb(102, 142, 175);
/* oklch */ color: oklch(63.0% 0.067 244.0);
Tailwind
colors: {
  custom: {
    50: '#95afc7',
    500: '#668eaf',
    950: '#000000',
  },
}
SCSS
$custom: #668eaf;
$custom-light: #95afc7;
$custom-dark: #000000;
JSON
{
  "hex": "#668eaf",
  "rgb": {
    "r": 102,
    "g": 142,
    "b": 175
  },
  "hsl": {
    "h": 207.123,
    "s": 31.33,
    "l": 54.314
  },
  "oklch": {
    "l": 0.62996,
    "c": 0.06675,
    "h": 244
  },
  "luminance": 0.25266
}

Semantic roles & 50–950 ramp

primary
#668EAF
secondary
#C8B7A9
accent
#8F60C8
background
#F9FAFC
surface
#F2F4F8
border
#CCCED1
text
#0D1013
muted
#7E7F82

Preview Lab

Preview with #668EAF

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

Preview Lab → · Contrast checker → · Palette generator →

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