#668FFA#668FFA

#668FFA is a light, vivid blue. Relative luminance 0.294; OKLCH L 67.1% C 0.165 H 266.3°. Best body text is #000000 at 6.87:1 contrast (WCAG AA passes).

Color values

HEX#668FFA
RGBrgb(102, 143, 250)
HSLhsl(223, 94%, 69%)
HSVhsv(223, 59%, 98%)
CMYKcmyk(59.2%, 42.8%, 0%, 2%)
CIE-LABlab(61.11, 17.47, -57.75)
CIE-LCHlch(61.11, 60.33, 286.83°)
OKLaboklab(67.08% -0.0107 -0.1645)
OKLCHoklch(67.08% 0.165 266.3)
XYZxyz(32.5514, 29.3691, 94.3774)
Luminance0.2937 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668FFA #FAD166
analogous
#66D9FA #668FFA #8766FA
triadic
#668FFA #FA668F #8FFA66
tetradic
#668FFA #FA66D9 #FAD166 #66FA87
square
#668FFA #FA66D9 #FAD166 #66FA87
split-complementary
#668FFA #FA8766 #D9FA66
monochromatic
#0743DE #2B64F8 #668FFA #A1BAFC #DDE6FE

Accessibility & contrast

On white

3.05
#668FFA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.87
#668FFA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FFA
6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668FFA#FFFFFF#000000##000000
##668FFA1.003.056.876.87
#FFFFFF3.051.0021.0021.00
#0000006.8721.001.001.00
##0000006.8721.001.001.00

Color blindness preview

Protanopia (red-blind)
#5F9BFE
Deuteranopia (green-blind)
#498DF8
Tritanopia (blue-blind)
#00A7B8
Achromatopsia (no color)
#939393

Design tokens & code

CSS
--color: #668ffa;
/* rgb */ color: rgb(102, 143, 250);
/* oklch */ color: oklch(67.1% 0.165 266.3);
Tailwind
colors: {
  custom: {
    50: '#9daffc',
    500: '#668ffa',
    950: '#000000',
  },
}
SCSS
$custom: #668ffa;
$custom-light: #9daffc;
$custom-dark: #000000;
JSON
{
  "hex": "#668ffa",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 250
  },
  "hsl": {
    "h": 223.378,
    "s": 93.671,
    "l": 69.02
  },
  "oklch": {
    "l": 0.67078,
    "c": 0.16489,
    "h": 266.3
  },
  "luminance": 0.29372
}

Semantic roles & 50–950 ramp

primary
#668FFA
secondary
#F4E8C8
accent
#A600E6
background
#FAFAFF
surface
#F4F4FF
border
#CECED7
text
#0F1017
muted
#7F7F85

Preview Lab

Preview with #668FFA

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

Preview Lab → · Contrast checker → · Palette generator →

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