#668FDE#668FDE

#668FDE is a light, vivid blue. Relative luminance 0.277; OKLCH L 65.5% C 0.127 H 262.6°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX#668FDE
RGBrgb(102, 143, 222)
HSLhsl(220, 65%, 64%)
HSVhsv(220, 54%, 87%)
CMYKcmyk(54.1%, 35.6%, 0%, 12.9%)
CIE-LABlab(59.65, 8.50, -44.56)
CIE-LCHlch(59.65, 45.37, 280.79°)
OKLaboklab(65.49% -0.0164 -0.1259)
OKLCHoklch(65.49% 0.127 262.6)
XYZxyz(28.4823, 27.7415, 72.9468)
Luminance0.2774 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668FDE #DEB566
analogous
#66CBDE #668FDE #7966DE
triadic
#668FDE #DE668F #8FDE66
tetradic
#668FDE #DE66CB #DEB566 #66DE79
square
#668FDE #DE66CB #DEB566 #66DE79
split-complementary
#668FDE #DE7966 #CBDE66
monochromatic
#2450A6 #346AD3 #668FDE #98B4E9 #CBD9F4

Accessibility & contrast

On white

3.21
#668FDE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.55
#668FDE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FDE
6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668FDE#FFFFFF#000000##000000
##668FDE1.003.216.556.55
#FFFFFF3.211.0021.0021.00
#0000006.5521.001.001.00
##0000006.5521.001.001.00

Color blindness preview

Protanopia (red-blind)
#6F96E1
Deuteranopia (green-blind)
#618BDC
Tritanopia (blue-blind)
#21A0AC
Achromatopsia (no color)
#909090

Design tokens & code

CSS
--color: #668fde;
/* rgb */ color: rgb(102, 143, 222);
/* oklch */ color: oklch(65.5% 0.127 262.6);
Tailwind
colors: {
  custom: {
    50: '#99afe8',
    500: '#668fde',
    950: '#000000',
  },
}
SCSS
$custom: #668fde;
$custom-light: #99afe8;
$custom-dark: #000000;
JSON
{
  "hex": "#668fde",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 222
  },
  "hsl": {
    "h": 219.5,
    "s": 64.516,
    "l": 63.529
  },
  "oklch": {
    "l": 0.65485,
    "c": 0.12701,
    "h": 262.6
  },
  "luminance": 0.27744
}

Semantic roles & 50–950 ramp

primary
#668FDE
secondary
#E5D7BB
accent
#8F19CC
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E1016
muted
#7E7F84

Preview Lab

Preview with #668FDE

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

Preview Lab → · Contrast checker → · Palette generator →

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