#688FE6#688FE6

#688FE6 is a light, vivid blue. Relative luminance 0.283; OKLCH L 66.0% C 0.137 H 264.7°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX#688FE6
RGBrgb(104, 143, 230)
HSLhsl(221, 72%, 65%)
HSVhsv(221, 55%, 90%)
CMYKcmyk(54.8%, 37.8%, 0%, 9.8%)
CIE-LABlab(60.16, 11.44, -48.21)
CIE-LCHlch(60.16, 49.55, 283.35°)
OKLaboklab(66.03% -0.0127 -0.1365)
OKLCHoklch(66.03% 0.137 264.7)
XYZxyz(29.8095, 28.2989, 78.7389)
Luminance0.2830 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688FE6 #E6BF68
analogous
#68CEE6 #688FE6 #8068E6
triadic
#688FE6 #E6688F #8FE668
tetradic
#688FE6 #E668CE #E6BF68 #68E680
square
#688FE6 #E668CE #E6BF68 #68E680
split-complementary
#688FE6 #E68068 #CEE668
monochromatic
#1E4DB6 #3368DD #688FE6 #9DB6EF #D1DDF7

Accessibility & contrast

On white

3.15
#688FE6 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.66
#688FE6 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688FE6
6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688FE6#FFFFFF#000000##000000
##688FE61.003.156.666.66
#FFFFFF3.151.0021.0021.00
#0000006.6621.001.001.00
##0000006.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#6B97E9
Deuteranopia (green-blind)
#5C8CE4
Tritanopia (blue-blind)
#1BA2AF
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #688fe6;
/* rgb */ color: rgb(104, 143, 230);
/* oklch */ color: oklch(66.0% 0.137 264.7);
Tailwind
colors: {
  custom: {
    50: '#9bafee',
    500: '#688fe6',
    950: '#000000',
  },
}
SCSS
$custom: #688fe6;
$custom-light: #9bafee;
$custom-dark: #000000;
JSON
{
  "hex": "#688fe6",
  "rgb": {
    "r": 104,
    "g": 143,
    "b": 230
  },
  "hsl": {
    "h": 221.429,
    "s": 71.591,
    "l": 65.49
  },
  "oklch": {
    "l": 0.66033,
    "c": 0.13714,
    "h": 264.7
  },
  "luminance": 0.28301
}

Semantic roles & 50–950 ramp

primary
#688FE6
secondary
#EADDC0
accent
#9812D4
background
#FAFAFE
surface
#F3F4FD
border
#CDCED5
text
#0F1016
muted
#7F7F84

Preview Lab

Preview with #688FE6

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

Preview Lab → · Contrast checker → · Palette generator →

#688FE6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva