#668FF9#668FF9

#668FF9 is a light, vivid blue. Relative luminance 0.293; OKLCH L 67.0% C 0.164 H 266.2°. Best body text is #000000 at 6.86:1 contrast (WCAG AA passes).

Color values

HEX#668FF9
RGBrgb(102, 143, 249)
HSLhsl(223, 92%, 69%)
HSVhsv(223, 59%, 98%)
CMYKcmyk(59%, 42.6%, 0%, 2.4%)
CIE-LABlab(61.05, 17.14, -57.29)
CIE-LCHlch(61.05, 59.80, 286.66°)
OKLaboklab(67.02% -0.0109 -0.1632)
OKLCHoklch(67.02% 0.164 266.2)
XYZxyz(32.3950, 29.3065, 93.5537)
Luminance0.2931 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668FF9 #F9D066
analogous
#66D9F9 #668FF9 #8766F9
triadic
#668FF9 #F9668F #8FF966
tetradic
#668FF9 #F966D9 #F9D066 #66F987
square
#668FF9 #F966D9 #F9D066 #66F987
split-complementary
#668FF9 #F98766 #D9F966
monochromatic
#0944DC #2B64F7 #668FF9 #A1BAFB #DCE5FE

Accessibility & contrast

On white

3.06
#668FF9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.86
#668FF9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FF9
6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668FF9#FFFFFF#000000##000000
##668FF91.003.066.866.86
#FFFFFF3.061.0021.0021.00
#0000006.8621.001.001.00
##0000006.8621.001.001.00

Color blindness preview

Protanopia (red-blind)
#5F9AFD
Deuteranopia (green-blind)
#4A8DF7
Tritanopia (blue-blind)
#00A7B8
Achromatopsia (no color)
#939393

Design tokens & code

CSS
--color: #668ff9;
/* rgb */ color: rgb(102, 143, 249);
/* oklch */ color: oklch(67.0% 0.164 266.2);
Tailwind
colors: {
  custom: {
    50: '#9daffc',
    500: '#668ff9',
    950: '#000000',
  },
}
SCSS
$custom: #668ff9;
$custom-light: #9daffc;
$custom-dark: #000000;
JSON
{
  "hex": "#668ff9",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 249
  },
  "hsl": {
    "h": 223.265,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.67018,
    "c": 0.16354,
    "h": 266.2
  },
  "luminance": 0.29309
}

Semantic roles & 50–950 ramp

primary
#668FF9
secondary
#F3E7C8
accent
#A500E6
background
#FAFAFF
surface
#F4F4FF
border
#CECED7
text
#0F1017
muted
#7F7F85

Preview Lab

Preview with #668FF9

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

Preview Lab → · Contrast checker → · Palette generator →

#668FF9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva