#688AEE#688AEE

#688AEE is a light, vivid blue. Relative luminance 0.273; OKLCH L 65.5% C 0.154 H 267.9°. Best body text is #000000 at 6.46:1 contrast (WCAG AA passes).

Color values

HEX#688AEE
RGBrgb(104, 138, 238)
HSLhsl(225, 80%, 67%)
HSVhsv(225, 56%, 93%)
CMYKcmyk(56.3%, 42%, 0%, 6.7%)
CIE-LABlab(59.24, 16.96, -54.10)
CIE-LCHlch(59.24, 56.69, 287.41°)
OKLaboklab(65.46% -0.0057 -0.1538)
OKLCHoklch(65.46% 0.154 267.9)
XYZxyz(30.2248, 27.2907, 84.5472)
Luminance0.2729 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688AEE #EECC68
analogous
#68CDEE #688AEE #8968EE
triadic
#688AEE #EE688A #8AEE68
tetradic
#688AEE #EE68CD #EECC68 #68EE89
square
#688AEE #EE68CD #EECC68 #68EE89
split-complementary
#688AEE #EE8968 #CDEE68
monochromatic
#1643C5 #315FE8 #688AEE #9FB5F4 #D6DFFA

Accessibility & contrast

On white

3.25
#688AEE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.46
#688AEE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688AEE
6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688AEE#FFFFFF#000000##000000
##688AEE1.003.256.466.46
#FFFFFF3.251.0021.0021.00
#0000006.4621.001.001.00
##0000006.4621.001.001.00

Color blindness preview

Protanopia (red-blind)
#5F95F2
Deuteranopia (green-blind)
#4D89EC
Tritanopia (blue-blind)
#05A0B0
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #688aee;
/* rgb */ color: rgb(104, 138, 238);
/* oklch */ color: oklch(65.5% 0.154 267.9);
Tailwind
colors: {
  custom: {
    50: '#9cabf4',
    500: '#688aee',
    950: '#000000',
  },
}
SCSS
$custom: #688aee;
$custom-light: #9cabf4;
$custom-dark: #000000;
JSON
{
  "hex": "#688aee",
  "rgb": {
    "r": 104,
    "g": 138,
    "b": 238
  },
  "hsl": {
    "h": 224.776,
    "s": 79.762,
    "l": 67.059
  },
  "oklch": {
    "l": 0.65463,
    "c": 0.15395,
    "h": 267.9
  },
  "luminance": 0.27293
}

Semantic roles & 50–950 ramp

primary
#688AEE
secondary
#EEE3C4
accent
#A709DC
background
#FAFAFE
surface
#F4F4FD
border
#CECED5
text
#0F1017
muted
#7F7F85

Preview Lab

Preview with #688AEE

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

Preview Lab → · Contrast checker → · Palette generator →

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