#668AFC#668AFC

#668AFC is a light, vivid blue. Relative luminance 0.280; OKLCH L 66.2% C 0.173 H 268.2°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX#668AFC
RGBrgb(102, 138, 252)
HSLhsl(226, 96%, 69%)
HSVhsv(226, 60%, 99%)
CMYKcmyk(59.5%, 45.2%, 0%, 1.2%)
CIE-LABlab(59.91, 21.10, -60.76)
CIE-LCHlch(59.91, 64.32, 289.15°)
OKLaboklab(66.2% -0.0054 -0.1734)
OKLCHoklch(66.2% 0.174 268.2)
XYZxyz(32.1327, 28.0273, 95.7931)
Luminance0.2803 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668AFC #FCD866
analogous
#66D5FC #668AFC #8D66FC
triadic
#668AFC #FC668A #8AFC66
tetradic
#668AFC #FC66D5 #FCD866 #66FC8D
square
#668AFC #FC66D5 #FCD866 #66FC8D
split-complementary
#668AFC #FC8D66 #D5FC66
monochromatic
#043AE3 #2A5CFB #668AFC #A2B8FD #DEE6FE

Accessibility & contrast

On white

3.18
#668AFC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.61
#668AFC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668AFC
6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668AFC#FFFFFF#000000##000000
##668AFC1.003.186.616.61
#FFFFFF3.181.0021.0021.00
#0000006.6121.001.001.00
##0000006.6121.001.001.00

Color blindness preview

Protanopia (red-blind)
#5497FF
Deuteranopia (green-blind)
#3C8AFA
Tritanopia (blue-blind)
#00A4B7
Achromatopsia (no color)
#909090

Design tokens & code

CSS
--color: #668afc;
/* rgb */ color: rgb(102, 138, 252);
/* oklch */ color: oklch(66.2% 0.173 268.2);
Tailwind
colors: {
  custom: {
    50: '#9dabfe',
    500: '#668afc',
    950: '#000000',
  },
}
SCSS
$custom: #668afc;
$custom-light: #9dabfe;
$custom-dark: #000000;
JSON
{
  "hex": "#668afc",
  "rgb": {
    "r": 102,
    "g": 138,
    "b": 252
  },
  "hsl": {
    "h": 225.6,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.66201,
    "c": 0.1735,
    "h": 268.2
  },
  "luminance": 0.2803
}

Semantic roles & 50–950 ramp

primary
#668AFC
secondary
#F5EAC9
accent
#AE00E6
background
#FAFAFF
surface
#F4F4FF
border
#CECED7
text
#0F1018
muted
#7F7F86

Preview Lab

Preview with #668AFC

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

Preview Lab → · Contrast checker → · Palette generator →

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