#668FC5#668FC5

#668FC5 is a light, moderate cyan. Relative luminance 0.265; OKLCH L 64.2% C 0.093 H 255.6°. Best body text is #000000 at 6.30:1 contrast (WCAG AA passes).

Color values

HEX#668FC5
RGBrgb(102, 143, 197)
HSLhsl(214, 45%, 59%)
HSVhsv(214, 48%, 77%)
CMYKcmyk(48.2%, 27.4%, 0%, 22.7%)
CIE-LABlab(58.51, 0.81, -32.34)
CIE-LCHlch(58.51, 32.35, 271.43°)
OKLaboklab(64.21% -0.0232 -0.0905)
OKLCHoklch(64.21% 0.093 255.6)
XYZxyz(25.3766, 26.4992, 56.5901)
Luminance0.2650 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668FC5 #C59C66
analogous
#66BEC5 #668FC5 #6C66C5
triadic
#668FC5 #C5668F #8FC566
tetradic
#668FC5 #C566BE #C59C66 #66C56C
square
#668FC5 #C566BE #C59C66 #66C56C
split-complementary
#668FC5 #C56C66 #BEC566
monochromatic
#315380 #4170AC #668FC5 #92AFD6 #BFD0E7

Accessibility & contrast

On white

3.33
#668FC5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.30
#668FC5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FC5
6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668FC5#FFFFFF#000000##000000
##668FC51.003.336.306.30
#FFFFFF3.331.0021.0021.00
#0000006.3021.001.001.00
##0000006.3021.001.001.00

Color blindness preview

Protanopia (red-blind)
#7A92C7
Deuteranopia (green-blind)
#6F89C4
Tritanopia (blue-blind)
#3C9BA2
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #668fc5;
/* rgb */ color: rgb(102, 143, 197);
/* oklch */ color: oklch(64.2% 0.093 255.6);
Tailwind
colors: {
  custom: {
    50: '#96afd6',
    500: '#668fc5',
    950: '#000000',
  },
}
SCSS
$custom: #668fc5;
$custom-light: #96afd6;
$custom-dark: #000000;
JSON
{
  "hex": "#668fc5",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 197
  },
  "hsl": {
    "h": 214.105,
    "s": 45.024,
    "l": 58.627
  },
  "oklch": {
    "l": 0.64214,
    "c": 0.09342,
    "h": 255.6
  },
  "luminance": 0.26501
}

Semantic roles & 50–950 ramp

primary
#668FC5
secondary
#D6C6B1
accent
#9D53D5
background
#F9FAFD
surface
#F2F4FA
border
#CCCED3
text
#0E1014
muted
#7E7F83

Preview Lab

Preview with #668FC5

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

Preview Lab → · Contrast checker → · Palette generator →

#668FC5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva