#668CD6#668CD6

#668CD6 is a light, moderate blue. Relative luminance 0.264; OKLCH L 64.4% C 0.119 H 262.8°. Best body text is #000000 at 6.29:1 contrast (WCAG AA passes).

Color values

HEX#668CD6
RGBrgb(102, 140, 214)
HSLhsl(220, 58%, 62%)
HSVhsv(220, 52%, 84%)
CMYKcmyk(52.3%, 34.6%, 0%, 16.1%)
CIE-LABlab(58.45, 7.76, -42.00)
CIE-LCHlch(58.45, 42.71, 280.46°)
OKLaboklab(64.42% -0.0149 -0.1185)
OKLCHoklch(64.42% 0.119 262.8)
XYZxyz(26.9911, 26.4340, 67.2853)
Luminance0.2644 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668CD6 #D6B066
analogous
#66C4D6 #668CD6 #7866D6
triadic
#668CD6 #D6668C #8CD666
tetradic
#668CD6 #D666C4 #D6B066 #66D678
square
#668CD6 #D666C4 #D6B066 #66D678
split-complementary
#668CD6 #D67866 #C4D666
monochromatic
#294F99 #3668C9 #668CD6 #96B0E3 #C7D5F0

Accessibility & contrast

On white

3.34
#668CD6 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.29
#668CD6 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668CD6
6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668CD6#FFFFFF#000000##000000
##668CD61.003.346.296.29
#FFFFFF3.341.0021.0021.00
#0000006.2921.001.001.00
##0000006.2921.001.001.00

Color blindness preview

Protanopia (red-blind)
#6F92D9
Deuteranopia (green-blind)
#6288D4
Tritanopia (blue-blind)
#2D9CA7
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #668cd6;
/* rgb */ color: rgb(102, 140, 214);
/* oklch */ color: oklch(64.4% 0.119 262.8);
Tailwind
colors: {
  custom: {
    50: '#98ade3',
    500: '#668cd6',
    950: '#000000',
  },
}
SCSS
$custom: #668cd6;
$custom-light: #98ade3;
$custom-dark: #000000;
JSON
{
  "hex": "#668cd6",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 214
  },
  "hsl": {
    "h": 219.643,
    "s": 57.732,
    "l": 61.961
  },
  "oklch": {
    "l": 0.6442,
    "c": 0.11942,
    "h": 262.8
  },
  "luminance": 0.26436
}

Semantic roles & 50–950 ramp

primary
#668CD6
secondary
#E1D3B7
accent
#8D20C5
background
#F9FAFD
surface
#F2F4FB
border
#CCCED4
text
#0E1015
muted
#7E7F83

Preview Lab

Preview with #668CD6

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

Preview Lab → · Contrast checker → · Palette generator →

#668CD6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva