#688AE2#688AE2

#688AE2 is a light, vivid blue. Relative luminance 0.266; OKLCH L 64.8% C 0.138 H 266.6°. Best body text is #000000 at 6.32:1 contrast (WCAG AA passes).

Color values

HEX#688AE2
RGBrgb(104, 138, 226)
HSLhsl(223, 68%, 65%)
HSVhsv(223, 54%, 89%)
CMYKcmyk(54%, 38.9%, 0%, 11.4%)
CIE-LABlab(58.61, 13.14, -48.44)
CIE-LCHlch(58.61, 50.19, 285.18°)
OKLaboklab(64.77% -0.008 -0.1373)
OKLCHoklch(64.77% 0.138 266.6)
XYZxyz(28.5203, 26.6089, 75.5699)
Luminance0.2661 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688AE2 #E2C068
analogous
#68C7E2 #688AE2 #8368E2
triadic
#688AE2 #E2688A #8AE268
tetradic
#688AE2 #E268C7 #E2C068 #68E283
square
#688AE2 #E268C7 #E2C068 #68E283
split-complementary
#688AE2 #E28368 #C7E268
monochromatic
#2149AE #3562D8 #688AE2 #9BB2EC #CFDAF6

Accessibility & contrast

On white

3.32
#688AE2 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.32
#688AE2 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688AE2
6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688AE2#FFFFFF#000000##000000
##688AE21.003.326.326.32
#FFFFFF3.321.0021.0021.00
#0000006.3221.001.001.00
##0000006.3221.001.001.00

Color blindness preview

Protanopia (red-blind)
#6693E5
Deuteranopia (green-blind)
#5788E0
Tritanopia (blue-blind)
#259DAB
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #688ae2;
/* rgb */ color: rgb(104, 138, 226);
/* oklch */ color: oklch(64.8% 0.138 266.6);
Tailwind
colors: {
  custom: {
    50: '#9babeb',
    500: '#688ae2',
    950: '#000000',
  },
}
SCSS
$custom: #688ae2;
$custom-light: #9babeb;
$custom-dark: #000000;
JSON
{
  "hex": "#688ae2",
  "rgb": {
    "r": 104,
    "g": 138,
    "b": 226
  },
  "hsl": {
    "h": 223.279,
    "s": 67.778,
    "l": 64.706
  },
  "oklch": {
    "l": 0.64771,
    "c": 0.1375,
    "h": 266.6
  },
  "luminance": 0.26611
}

Semantic roles & 50–950 ramp

primary
#688AE2
secondary
#E8DCBE
accent
#9C16D0
background
#FAFAFE
surface
#F3F4FD
border
#CDCED5
text
#0F1016
muted
#7F7F84

Preview Lab

Preview with #688AE2

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

Preview Lab → · Contrast checker → · Palette generator →

#688AE2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva