#688BE6#688BE6

#688BE6 is a light, vivid blue. Relative luminance 0.271; OKLCH L 65.2% C 0.142 H 266.6°. Best body text is #000000 at 6.42:1 contrast (WCAG AA passes).

Color values

HEX#688BE6
RGBrgb(104, 139, 230)
HSLhsl(223, 72%, 65%)
HSVhsv(223, 55%, 90%)
CMYKcmyk(54.8%, 39.6%, 0%, 9.8%)
CIE-LABlab(59.08, 13.81, -49.91)
CIE-LCHlch(59.08, 51.79, 285.47°)
OKLaboklab(65.2% -0.0083 -0.1416)
OKLCHoklch(65.2% 0.142 266.6)
XYZxyz(29.2197, 27.1193, 78.5423)
Luminance0.2712 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688BE6 #E6C368
analogous
#68CAE6 #688BE6 #8468E6
triadic
#688BE6 #E6688B #8BE668
tetradic
#688BE6 #E668CA #E6C368 #68E684
square
#688BE6 #E668CA #E6C368 #68E684
split-complementary
#688BE6 #E68468 #CAE668
monochromatic
#1E48B6 #3363DD #688BE6 #9DB3EF #D1DCF7

Accessibility & contrast

On white

3.27
#688BE6 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.42
#688BE6 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BE6
6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688BE6#FFFFFF#000000##000000
##688BE61.003.276.426.42
#FFFFFF3.271.0021.0021.00
#0000006.4221.001.001.00
##0000006.4221.001.001.00

Color blindness preview

Protanopia (red-blind)
#6594EA
Deuteranopia (green-blind)
#5689E4
Tritanopia (blue-blind)
#1D9FAD
Achromatopsia (no color)
#8E8E8E

Design tokens & code

CSS
--color: #688be6;
/* rgb */ color: rgb(104, 139, 230);
/* oklch */ color: oklch(65.2% 0.142 266.6);
Tailwind
colors: {
  custom: {
    50: '#9bacee',
    500: '#688be6',
    950: '#000000',
  },
}
SCSS
$custom: #688be6;
$custom-light: #9bacee;
$custom-dark: #000000;
JSON
{
  "hex": "#688be6",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 230
  },
  "hsl": {
    "h": 223.333,
    "s": 71.591,
    "l": 65.49
  },
  "oklch": {
    "l": 0.65204,
    "c": 0.1418,
    "h": 266.6
  },
  "luminance": 0.27121
}

Semantic roles & 50–950 ramp

primary
#688BE6
secondary
#EADEC0
accent
#9E12D4
background
#FAFAFE
surface
#F3F4FD
border
#CDCED5
text
#0F1016
muted
#7F7F84

Preview Lab

Preview with #688BE6

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

Preview Lab → · Contrast checker → · Palette generator →

#688BE6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva