#688EE6#688EE6

#688EE6 is a light, vivid blue. Relative luminance 0.280; OKLCH L 65.8% C 0.138 H 265.2°. Best body text is #000000 at 6.60:1 contrast (WCAG AA passes).

Color values

HEX#688EE6
RGBrgb(104, 142, 230)
HSLhsl(222, 72%, 65%)
HSVhsv(222, 55%, 90%)
CMYKcmyk(54.8%, 38.3%, 0%, 9.8%)
CIE-LABlab(59.89, 12.03, -48.64)
CIE-LCHlch(59.89, 50.10, 283.90°)
OKLaboklab(65.83% -0.0116 -0.1378)
OKLCHoklch(65.83% 0.138 265.2)
XYZxyz(29.6600, 28.0000, 78.6891)
Luminance0.2800 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688EE6 #E6C068
analogous
#68CDE6 #688EE6 #8168E6
triadic
#688EE6 #E6688E #8EE668
tetradic
#688EE6 #E668CD #E6C068 #68E681
square
#688EE6 #E668CD #E6C068 #68E681
split-complementary
#688EE6 #E68168 #CDE668
monochromatic
#1E4CB6 #3367DD #688EE6 #9DB5EF #D1DDF7

Accessibility & contrast

On white

3.18
#688EE6 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.60
#688EE6 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688EE6
6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688EE6#FFFFFF#000000##000000
##688EE61.003.186.606.60
#FFFFFF3.181.0021.0021.00
#0000006.6021.001.001.00
##0000006.6021.001.001.00

Color blindness preview

Protanopia (red-blind)
#6A96EA
Deuteranopia (green-blind)
#5A8BE4
Tritanopia (blue-blind)
#1CA1AF
Achromatopsia (no color)
#909090

Design tokens & code

CSS
--color: #688ee6;
/* rgb */ color: rgb(104, 142, 230);
/* oklch */ color: oklch(65.8% 0.138 265.2);
Tailwind
colors: {
  custom: {
    50: '#9baeee',
    500: '#688ee6',
    950: '#000000',
  },
}
SCSS
$custom: #688ee6;
$custom-light: #9baeee;
$custom-dark: #000000;
JSON
{
  "hex": "#688ee6",
  "rgb": {
    "r": 104,
    "g": 142,
    "b": 230
  },
  "hsl": {
    "h": 221.905,
    "s": 71.591,
    "l": 65.49
  },
  "oklch": {
    "l": 0.65825,
    "c": 0.1383,
    "h": 265.2
  },
  "luminance": 0.28002
}

Semantic roles & 50–950 ramp

primary
#688EE6
secondary
#EADDC0
accent
#9912D4
background
#FAFAFE
surface
#F3F4FD
border
#CDCED5
text
#0F1016
muted
#7F7F84

Preview Lab

Preview with #688EE6

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

Preview Lab → · Contrast checker → · Palette generator →

#688EE6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva