#668BE6#668BE6

#668BE6 is a light, vivid blue. Relative luminance 0.270; OKLCH L 65.1% C 0.142 H 265.9°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX#668BE6
RGBrgb(102, 139, 230)
HSLhsl(223, 72%, 65%)
HSVhsv(223, 56%, 90%)
CMYKcmyk(55.7%, 39.6%, 0%, 9.8%)
CIE-LABlab(58.98, 13.40, -50.09)
CIE-LCHlch(58.98, 51.85, 284.98°)
OKLaboklab(65.09% -0.0102 -0.1421)
OKLCHoklch(65.09% 0.143 265.9)
XYZxyz(28.9902, 27.0009, 78.5316)
Luminance0.2700 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668BE6 #E6C166
analogous
#66CBE6 #668BE6 #8166E6
triadic
#668BE6 #E6668B #8BE666
tetradic
#668BE6 #E666CB #E6C166 #66E681
square
#668BE6 #E666CB #E6C166 #66E681
split-complementary
#668BE6 #E68166 #CBE666
monochromatic
#1D49B4 #3163DD #668BE6 #9BB3EF #CFDBF7

Accessibility & contrast

On white

3.28
#668BE6 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.40
#668BE6 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668BE6
6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668BE6#FFFFFF#000000##000000
##668BE61.003.286.406.40
#FFFFFF3.281.0021.0021.00
#0000006.4021.001.001.00
##0000006.4021.001.001.00

Color blindness preview

Protanopia (red-blind)
#6594EA
Deuteranopia (green-blind)
#5589E4
Tritanopia (blue-blind)
#119FAD
Achromatopsia (no color)
#8E8E8E

Design tokens & code

CSS
--color: #668be6;
/* rgb */ color: rgb(102, 139, 230);
/* oklch */ color: oklch(65.1% 0.142 265.9);
Tailwind
colors: {
  custom: {
    50: '#9aacee',
    500: '#668be6',
    950: '#000000',
  },
}
SCSS
$custom: #668be6;
$custom-light: #9aacee;
$custom-dark: #000000;
JSON
{
  "hex": "#668be6",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 230
  },
  "hsl": {
    "h": 222.656,
    "s": 71.91,
    "l": 65.098
  },
  "oklch": {
    "l": 0.65091,
    "c": 0.1425,
    "h": 265.9
  },
  "luminance": 0.27003
}

Semantic roles & 50–950 ramp

primary
#668BE6
secondary
#EADDBE
accent
#9C12D4
background
#FAFAFE
surface
#F3F4FD
border
#CDCED5
text
#0F1016
muted
#7F7F84

Preview Lab

Preview with #668BE6

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

Preview Lab → · Contrast checker → · Palette generator →

#668BE6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva