#668BFA#668BFA

#668BFA is a light, vivid blue. Relative luminance 0.282; OKLCH L 66.3% C 0.170 H 267.7°. Best body text is #000000 at 6.64:1 contrast (WCAG AA passes).

Color values

HEX#668BFA
RGBrgb(102, 139, 250)
HSLhsl(225, 94%, 69%)
HSVhsv(225, 59%, 98%)
CMYKcmyk(59.2%, 44.4%, 0%, 2%)
CIE-LABlab(60.06, 19.85, -59.42)
CIE-LCHlch(60.06, 62.65, 288.47°)
OKLaboklab(66.28% -0.0067 -0.1695)
OKLCHoklch(66.28% 0.17 267.7)
XYZxyz(31.9616, 28.1895, 94.1808)
Luminance0.2819 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668BFA #FAD566
analogous
#66D5FA #668BFA #8B66FA
triadic
#668BFA #FA668B #8BFA66
tetradic
#668BFA #FA66D5 #FAD566 #66FA8B
square
#668BFA #FA66D5 #FAD566 #66FA8B
split-complementary
#668BFA #FA8B66 #D5FA66
monochromatic
#073DDE #2B5EF8 #668BFA #A1B8FC #DDE5FE

Accessibility & contrast

On white

3.16
#668BFA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.64
#668BFA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668BFA
6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668BFA#FFFFFF#000000##000000
##668BFA1.003.166.646.64
#FFFFFF3.161.0021.0021.00
#0000006.6421.001.001.00
##0000006.6421.001.001.00

Color blindness preview

Protanopia (red-blind)
#5798FE
Deuteranopia (green-blind)
#418BF8
Tritanopia (blue-blind)
#00A4B6
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #668bfa;
/* rgb */ color: rgb(102, 139, 250);
/* oklch */ color: oklch(66.3% 0.170 267.7);
Tailwind
colors: {
  custom: {
    50: '#9dacfc',
    500: '#668bfa',
    950: '#000000',
  },
}
SCSS
$custom: #668bfa;
$custom-light: #9dacfc;
$custom-dark: #000000;
JSON
{
  "hex": "#668bfa",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 250
  },
  "hsl": {
    "h": 225,
    "s": 93.671,
    "l": 69.02
  },
  "oklch": {
    "l": 0.66276,
    "c": 0.16962,
    "h": 267.7
  },
  "luminance": 0.28192
}

Semantic roles & 50–950 ramp

primary
#668BFA
secondary
#F4E9C8
accent
#AC00E6
background
#FAFAFF
surface
#F4F4FF
border
#CECED7
text
#0F1018
muted
#7F7F86

Preview Lab

Preview with #668BFA

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

Preview Lab → · Contrast checker → · Palette generator →

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