#668DB2#668DB2

#668DB2 is a light, moderate cyan. Relative luminance 0.251; OKLCH L 62.9% C 0.071 H 247.7°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX#668DB2
RGBrgb(102, 141, 178)
HSLhsl(209, 33%, 55%)
HSVhsv(209, 43%, 70%)
CMYKcmyk(42.7%, 20.8%, 0%, 30.2%)
CIE-LABlab(57.16, -3.60, -23.65)
CIE-LCHlch(57.16, 23.92, 261.34°)
OKLaboklab(62.9% -0.0269 -0.0656)
OKLCHoklch(62.9% 0.071 247.7)
XYZxyz(23.0376, 25.0875, 45.7393)
Luminance0.2509 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668DB2 #B28B66
analogous
#66B2B1 #668DB2 #6667B2
triadic
#668DB2 #B2668D #8DB266
tetradic
#668DB2 #B166B2 #B28B66 #67B266
square
#668DB2 #B166B2 #B28B66 #67B266
split-complementary
#668DB2 #B26667 #B2B166
monochromatic
#354F69 #496E92 #668DB2 #8FABC6 #B7CADB

Accessibility & contrast

On white

3.49
#668DB2 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.02
#668DB2 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668DB2
6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668DB2#FFFFFF#000000##000000
##668DB21.003.496.026.02
#FFFFFF3.491.0021.0021.00
#0000006.0221.001.001.00
##0000006.0221.001.001.00

Color blindness preview

Protanopia (red-blind)
#7E8EB4
Deuteranopia (green-blind)
#7586B1
Tritanopia (blue-blind)
#499699
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #668db2;
/* rgb */ color: rgb(102, 141, 178);
/* oklch */ color: oklch(62.9% 0.071 247.7);
Tailwind
colors: {
  custom: {
    50: '#95aec9',
    500: '#668db2',
    950: '#000000',
  },
}
SCSS
$custom: #668db2;
$custom-light: #95aec9;
$custom-dark: #000000;
JSON
{
  "hex": "#668db2",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 178
  },
  "hsl": {
    "h": 209.211,
    "s": 33.043,
    "l": 54.902
  },
  "oklch": {
    "l": 0.62899,
    "c": 0.0709,
    "h": 247.7
  },
  "luminance": 0.25089
}

Semantic roles & 50–950 ramp

primary
#668DB2
secondary
#CAB9AA
accent
#925FC9
background
#F9FAFC
surface
#F2F4F8
border
#CCCED1
text
#0D1013
muted
#7E7F82

Preview Lab

Preview with #668DB2

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

Preview Lab → · Contrast checker → · Palette generator →

#668DB2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva