#688CE6#688CE6

#688CE6 is a light, vivid blue. Relative luminance 0.274; OKLCH L 65.4% C 0.141 H 266.2°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX#688CE6
RGBrgb(104, 140, 230)
HSLhsl(223, 72%, 65%)
HSVhsv(223, 55%, 90%)
CMYKcmyk(54.8%, 39.1%, 0%, 9.8%)
CIE-LABlab(59.35, 13.22, -49.49)
CIE-LCHlch(59.35, 51.22, 284.96°)
OKLaboklab(65.41% -0.0094 -0.1403)
OKLCHoklch(65.41% 0.141 266.2)
XYZxyz(29.3651, 27.4102, 78.5908)
Luminance0.2741 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688CE6 #E6C268
analogous
#68CBE6 #688CE6 #8368E6
triadic
#688CE6 #E6688C #8CE668
tetradic
#688CE6 #E668CB #E6C268 #68E683
square
#688CE6 #E668CB #E6C268 #68E683
split-complementary
#688CE6 #E68368 #CBE668
monochromatic
#1E49B6 #3364DD #688CE6 #9DB4EF #D1DCF7

Accessibility & contrast

On white

3.24
#688CE6 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.48
#688CE6 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CE6
6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688CE6#FFFFFF#000000##000000
##688CE61.003.246.486.48
#FFFFFF3.241.0021.0021.00
#0000006.4821.001.001.00
##0000006.4821.001.001.00

Color blindness preview

Protanopia (red-blind)
#6795EA
Deuteranopia (green-blind)
#578AE4
Tritanopia (blue-blind)
#1DA0AE
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #688ce6;
/* rgb */ color: rgb(104, 140, 230);
/* oklch */ color: oklch(65.4% 0.141 266.2);
Tailwind
colors: {
  custom: {
    50: '#9badee',
    500: '#688ce6',
    950: '#000000',
  },
}
SCSS
$custom: #688ce6;
$custom-light: #9badee;
$custom-dark: #000000;
JSON
{
  "hex": "#688ce6",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 230
  },
  "hsl": {
    "h": 222.857,
    "s": 71.591,
    "l": 65.49
  },
  "oklch": {
    "l": 0.6541,
    "c": 0.14063,
    "h": 266.2
  },
  "luminance": 0.27412
}

Semantic roles & 50–950 ramp

primary
#688CE6
secondary
#EADEC0
accent
#9C12D4
background
#FAFAFE
surface
#F3F4FD
border
#CDCED5
text
#0F1016
muted
#7F7F84

Preview Lab

Preview with #688CE6

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

Preview Lab → · Contrast checker → · Palette generator →

#688CE6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva