#668BB2#668BB2

#668BB2 is a light, moderate cyan. Relative luminance 0.245; OKLCH L 62.4% C 0.072 H 250.3°. Best body text is #000000 at 5.90:1 contrast (WCAG AA passes).

Color values

HEX#668BB2
RGBrgb(102, 139, 178)
HSLhsl(211, 33%, 55%)
HSVhsv(211, 43%, 70%)
CMYKcmyk(42.7%, 21.9%, 0%, 30.2%)
CIE-LABlab(56.59, -2.46, -24.53)
CIE-LCHlch(56.59, 24.65, 264.28°)
OKLaboklab(62.45% -0.0243 -0.0681)
OKLCHoklch(62.45% 0.072 250.3)
XYZxyz(22.7453, 24.5030, 45.6419)
Luminance0.2450 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668BB2 #B28D66
analogous
#66B1B2 #668BB2 #6766B2
triadic
#668BB2 #B2668B #8BB266
tetradic
#668BB2 #B266B1 #B28D66 #66B267
square
#668BB2 #B266B1 #B28D66 #66B267
split-complementary
#668BB2 #B26766 #B1B266
monochromatic
#354E69 #496C92 #668BB2 #8FAAC6 #B7C9DB

Accessibility & contrast

On white

3.56
#668BB2 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.90
#668BB2 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668BB2
5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668BB2#FFFFFF#000000##000000
##668BB21.003.565.905.90
#FFFFFF3.561.0021.0021.00
#0000005.9021.001.001.00
##0000005.9021.001.001.00

Color blindness preview

Protanopia (red-blind)
#7C8CB4
Deuteranopia (green-blind)
#7284B1
Tritanopia (blue-blind)
#499498
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #668bb2;
/* rgb */ color: rgb(102, 139, 178);
/* oklch */ color: oklch(62.4% 0.072 250.3);
Tailwind
colors: {
  custom: {
    50: '#95acc9',
    500: '#668bb2',
    950: '#000000',
  },
}
SCSS
$custom: #668bb2;
$custom-light: #95acc9;
$custom-dark: #000000;
JSON
{
  "hex": "#668bb2",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 178
  },
  "hsl": {
    "h": 210.789,
    "s": 33.043,
    "l": 54.902
  },
  "oklch": {
    "l": 0.62448,
    "c": 0.07233,
    "h": 250.3
  },
  "luminance": 0.24504
}

Semantic roles & 50–950 ramp

primary
#668BB2
secondary
#CABAAA
accent
#955FC9
background
#F9FAFC
surface
#F2F4F8
border
#CCCED1
text
#0D1013
muted
#7E7F82

Preview Lab

Preview with #668BB2

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

Preview Lab → · Contrast checker → · Palette generator →

#668BB2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva