#668EB0#668EB0

#668EB0 is a light, moderate cyan. Relative luminance 0.253; OKLCH L 63.0% C 0.068 H 244.8°. Best body text is #000000 at 6.06:1 contrast (WCAG AA passes).

Color values

HEX#668EB0
RGBrgb(102, 142, 176)
HSLhsl(208, 32%, 55%)
HSVhsv(208, 42%, 69%)
CMYKcmyk(42%, 19.3%, 0%, 31%)
CIE-LABlab(57.37, -4.74, -22.19)
CIE-LCHlch(57.37, 22.69, 257.95°)
OKLaboklab(63.04% -0.0289 -0.0614)
OKLCHoklch(63.04% 0.068 244.8)
XYZxyz(22.9864, 25.3040, 44.7388)
Luminance0.2530 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668EB0 #B08866
analogous
#66B0AD #668EB0 #6669B0
triadic
#668EB0 #B0668E #8EB066
tetradic
#668EB0 #AD66B0 #B08866 #69B066
square
#668EB0 #AD66B0 #B08866 #69B066
split-complementary
#668EB0 #B06669 #B0AD66
monochromatic
#355067 #4A6F8F #668EB0 #8EACC5 #B7CADA

Accessibility & contrast

On white

3.46
#668EB0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.06
#668EB0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668EB0
6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668EB0#FFFFFF#000000##000000
##668EB01.003.466.066.06
#FFFFFF3.461.0021.0021.00
#0000006.0621.001.001.00
##0000006.0621.001.001.00

Color blindness preview

Protanopia (red-blind)
#808EB2
Deuteranopia (green-blind)
#7686AF
Tritanopia (blue-blind)
#4A9699
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #668eb0;
/* rgb */ color: rgb(102, 142, 176);
/* oklch */ color: oklch(63.0% 0.068 244.8);
Tailwind
colors: {
  custom: {
    50: '#95afc7',
    500: '#668eb0',
    950: '#000000',
  },
}
SCSS
$custom: #668eb0;
$custom-light: #95afc7;
$custom-dark: #000000;
JSON
{
  "hex": "#668eb0",
  "rgb": {
    "r": 102,
    "g": 142,
    "b": 176
  },
  "hsl": {
    "h": 207.568,
    "s": 31.897,
    "l": 54.51
  },
  "oklch": {
    "l": 0.63038,
    "c": 0.0679,
    "h": 244.8
  },
  "luminance": 0.25305
}

Semantic roles & 50–950 ramp

primary
#668EB0
secondary
#C9B8A9
accent
#9060C8
background
#F9FAFC
surface
#F2F4F8
border
#CCCED1
text
#0D1013
muted
#7E7F82

Preview Lab

Preview with #668EB0

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

Preview Lab → · Contrast checker → · Palette generator →

#668EB0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva