#668BFC#668BFC

#668BFC is a light, vivid blue. Relative luminance 0.283; OKLCH L 66.4% C 0.172 H 267.9°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX#668BFC
RGBrgb(102, 139, 252)
HSLhsl(225, 96%, 69%)
HSVhsv(225, 60%, 99%)
CMYKcmyk(59.5%, 44.8%, 0%, 1.2%)
CIE-LABlab(60.17, 20.50, -60.34)
CIE-LCHlch(60.17, 63.73, 288.77°)
OKLaboklab(66.4% -0.0064 -0.1722)
OKLCHoklch(66.4% 0.172 267.9)
XYZxyz(32.2768, 28.3156, 95.8411)
Luminance0.2832 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668BFC #FCD766
analogous
#66D6FC #668BFC #8C66FC
triadic
#668BFC #FC668B #8BFC66
tetradic
#668BFC #FC66D6 #FCD766 #66FC8C
square
#668BFC #FC66D6 #FCD766 #66FC8C
split-complementary
#668BFC #FC8C66 #D6FC66
monochromatic
#043BE3 #2A5DFB #668BFC #A2B9FD #DEE6FE

Accessibility & contrast

On white

3.15
#668BFC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.66
#668BFC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668BFC
6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668BFC#FFFFFF#000000##000000
##668BFC1.003.156.666.66
#FFFFFF3.151.0021.0021.00
#0000006.6621.001.001.00
##0000006.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#5698FF
Deuteranopia (green-blind)
#3F8BFA
Tritanopia (blue-blind)
#00A4B7
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #668bfc;
/* rgb */ color: rgb(102, 139, 252);
/* oklch */ color: oklch(66.4% 0.172 267.9);
Tailwind
colors: {
  custom: {
    50: '#9dacfe',
    500: '#668bfc',
    950: '#000000',
  },
}
SCSS
$custom: #668bfc;
$custom-light: #9dacfe;
$custom-dark: #000000;
JSON
{
  "hex": "#668bfc",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 252
  },
  "hsl": {
    "h": 225.2,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.66399,
    "c": 0.17231,
    "h": 267.9
  },
  "luminance": 0.28318
}

Semantic roles & 50–950 ramp

primary
#668BFC
secondary
#F5EAC9
accent
#AD00E6
background
#FAFAFF
surface
#F4F4FF
border
#CECED7
text
#0F1018
muted
#7F7F86

Preview Lab

Preview with #668BFC

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

Preview Lab → · Contrast checker → · Palette generator →

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