#668EF9#668EF9

#668EF9 is a light, vivid blue. Relative luminance 0.290; OKLCH L 66.8% C 0.165 H 266.6°. Best body text is #000000 at 6.80:1 contrast (WCAG AA passes).

Color values

HEX#668EF9
RGBrgb(102, 142, 249)
HSLhsl(224, 92%, 69%)
HSVhsv(224, 59%, 98%)
CMYKcmyk(59%, 43%, 0%, 2.4%)
CIE-LABlab(60.79, 17.74, -57.71)
CIE-LCHlch(60.79, 60.37, 287.09°)
OKLaboklab(66.82% -0.0099 -0.1644)
OKLCHoklch(66.82% 0.165 266.6)
XYZxyz(32.2456, 29.0076, 93.5039)
Luminance0.2901 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668EF9 #F9D166
analogous
#66D8F9 #668EF9 #8866F9
triadic
#668EF9 #F9668E #8EF966
tetradic
#668EF9 #F966D8 #F9D166 #66F988
square
#668EF9 #F966D8 #F9D166 #66F988
split-complementary
#668EF9 #F98866 #D8F966
monochromatic
#0942DC #2B63F7 #668EF9 #A1B9FB #DCE5FE

Accessibility & contrast

On white

3.09
#668EF9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.80
#668EF9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668EF9
6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668EF9#FFFFFF#000000##000000
##668EF91.003.096.806.80
#FFFFFF3.091.0021.0021.00
#0000006.8021.001.001.00
##0000006.8021.001.001.00

Color blindness preview

Protanopia (red-blind)
#5E9AFD
Deuteranopia (green-blind)
#488CF7
Tritanopia (blue-blind)
#00A6B7
Achromatopsia (no color)
#939393

Design tokens & code

CSS
--color: #668ef9;
/* rgb */ color: rgb(102, 142, 249);
/* oklch */ color: oklch(66.8% 0.165 266.6);
Tailwind
colors: {
  custom: {
    50: '#9daefc',
    500: '#668ef9',
    950: '#000000',
  },
}
SCSS
$custom: #668ef9;
$custom-light: #9daefc;
$custom-dark: #000000;
JSON
{
  "hex": "#668ef9",
  "rgb": {
    "r": 102,
    "g": 142,
    "b": 249
  },
  "hsl": {
    "h": 223.673,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.66816,
    "c": 0.16472,
    "h": 266.6
  },
  "luminance": 0.2901
}

Semantic roles & 50–950 ramp

primary
#668EF9
secondary
#F3E7C8
accent
#A700E6
background
#FAFAFF
surface
#F4F4FF
border
#CECED7
text
#0F1017
muted
#7F7F85

Preview Lab

Preview with #668EF9

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

Preview Lab → · Contrast checker → · Palette generator →

#668EF9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva