#688DE9#688DE9

#688DE9 is a light, vivid blue. Relative luminance 0.279; OKLCH L 65.8% C 0.144 H 266.0°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX#688DE9
RGBrgb(104, 141, 233)
HSLhsl(223, 75%, 66%)
HSVhsv(223, 55%, 91%)
CMYKcmyk(55.4%, 39.5%, 0%, 8.6%)
CIE-LABlab(59.77, 13.58, -50.48)
CIE-LCHlch(59.77, 52.28, 285.06°)
OKLaboklab(65.79% -0.0099 -0.1432)
OKLCHoklch(65.79% 0.144 266)
XYZxyz(29.9368, 27.8737, 80.8776)
Luminance0.2788 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688DE9 #E9C468
analogous
#68CDE9 #688DE9 #8368E9
triadic
#688DE9 #E9688D #8DE968
tetradic
#688DE9 #E968CD #E9C468 #68E983
square
#688DE9 #E968CD #E9C468 #68E983
split-complementary
#688DE9 #E98368 #CDE968
monochromatic
#1B49BB #3365E1 #688DE9 #9DB5F1 #D3DEF9

Accessibility & contrast

On white

3.19
#688DE9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.58
#688DE9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688DE9
6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688DE9#FFFFFF#000000##000000
##688DE91.003.196.586.58
#FFFFFF3.191.0021.0021.00
#0000006.5821.001.001.00
##0000006.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#6796ED
Deuteranopia (green-blind)
#578BE7
Tritanopia (blue-blind)
#15A1B0
Achromatopsia (no color)
#909090

Design tokens & code

CSS
--color: #688de9;
/* rgb */ color: rgb(104, 141, 233);
/* oklch */ color: oklch(65.8% 0.144 266.0);
Tailwind
colors: {
  custom: {
    50: '#9cadf0',
    500: '#688de9',
    950: '#000000',
  },
}
SCSS
$custom: #688de9;
$custom-light: #9cadf0;
$custom-dark: #000000;
JSON
{
  "hex": "#688de9",
  "rgb": {
    "r": 104,
    "g": 141,
    "b": 233
  },
  "hsl": {
    "h": 222.791,
    "s": 74.566,
    "l": 66.078
  },
  "oklch": {
    "l": 0.65787,
    "c": 0.14355,
    "h": 266
  },
  "luminance": 0.27876
}

Semantic roles & 50–950 ramp

primary
#688DE9
secondary
#ECDFC1
accent
#9D0FD7
background
#FAFAFE
surface
#F3F4FD
border
#CDCED5
text
#0F1017
muted
#7F7F85

Preview Lab

Preview with #688DE9

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

Preview Lab → · Contrast checker → · Palette generator →

#688DE9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva