#668BBE#668BBE

#668BBE is a light, moderate cyan. Relative luminance 0.250; OKLCH L 63.0% C 0.088 H 256.6°. Best body text is #000000 at 6.00:1 contrast (WCAG AA passes).

Color values

HEX#668BBE
RGBrgb(102, 139, 190)
HSLhsl(215, 40%, 57%)
HSVhsv(215, 46%, 75%)
CMYKcmyk(46.3%, 26.8%, 0%, 25.5%)
CIE-LABlab(57.08, 1.04, -30.60)
CIE-LCHlch(57.08, 30.61, 271.94°)
OKLaboklab(63% -0.0204 -0.0855)
OKLCHoklch(63% 0.088 256.6)
XYZxyz(24.0033, 25.0062, 52.2671)
Luminance0.2501 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668BBE #BE9966
analogous
#66B7BE #668BBE #6D66BE
triadic
#668BBE #BE668B #8BBE66
tetradic
#668BBE #BE66B7 #BE9966 #66BE6D
square
#668BBE #BE66B7 #BE9966 #66BE6D
split-complementary
#668BBE #BE6D66 #B7BE66
monochromatic
#334F77 #456CA2 #668BBE #91ACD0 #BCCCE2

Accessibility & contrast

On white

3.50
#668BBE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.00
#668BBE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668BBE
6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668BBE#FFFFFF#000000##000000
##668BBE1.003.506.006.00
#FFFFFF3.501.0021.0021.00
#0000006.0021.001.001.00
##0000006.0021.001.001.00

Color blindness preview

Protanopia (red-blind)
#788EC0
Deuteranopia (green-blind)
#6D85BD
Tritanopia (blue-blind)
#42969D
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #668bbe;
/* rgb */ color: rgb(102, 139, 190);
/* oklch */ color: oklch(63.0% 0.088 256.6);
Tailwind
colors: {
  custom: {
    50: '#96acd1',
    500: '#668bbe',
    950: '#000000',
  },
}
SCSS
$custom: #668bbe;
$custom-light: #96acd1;
$custom-dark: #000000;
JSON
{
  "hex": "#668bbe",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 190
  },
  "hsl": {
    "h": 214.773,
    "s": 40.367,
    "l": 57.255
  },
  "oklch": {
    "l": 0.62998,
    "c": 0.08789,
    "h": 256.6
  },
  "luminance": 0.25008
}

Semantic roles & 50–950 ramp

primary
#668BBE
secondary
#D2C3AE
accent
#9D58D0
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1014
muted
#7E7F82

Preview Lab

Preview with #668BBE

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

Preview Lab → · Contrast checker → · Palette generator →

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