#688BD7#688BD7

#688BD7 is a light, vivid blue. Relative luminance 0.263; OKLCH L 64.4% C 0.121 H 264.5°. Best body text is #000000 at 6.26:1 contrast (WCAG AA passes).

Color values

HEX#688BD7
RGBrgb(104, 139, 215)
HSLhsl(221, 58%, 63%)
HSVhsv(221, 52%, 84%)
CMYKcmyk(51.6%, 35.3%, 0%, 15.7%)
CIE-LABlab(58.33, 9.11, -42.73)
CIE-LCHlch(58.33, 43.69, 282.03°)
OKLaboklab(64.38% -0.0116 -0.1206)
OKLCHoklch(64.38% 0.121 264.5)
XYZxyz(27.2032, 26.3127, 67.9222)
Luminance0.2631 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688BD7 #D7B468
analogous
#68C3D7 #688BD7 #7C68D7
triadic
#688BD7 #D7688B #8BD768
tetradic
#688BD7 #D768C3 #D7B468 #68D77C
square
#688BD7 #D768C3 #D7B468 #68D77C
split-complementary
#688BD7 #D77C68 #C3D768
monochromatic
#294D9B #3866CA #688BD7 #98B0E4 #C9D5F1

Accessibility & contrast

On white

3.35
#688BD7 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.26
#688BD7 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BD7
6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688BD7#FFFFFF#000000##000000
##688BD71.003.356.266.26
#FFFFFF3.351.0021.0021.00
#0000006.2621.001.001.00
##0000006.2621.001.001.00

Color blindness preview

Protanopia (red-blind)
#6D92DA
Deuteranopia (green-blind)
#6088D5
Tritanopia (blue-blind)
#339BA7
Achromatopsia (no color)
#8C8C8C

Design tokens & code

CSS
--color: #688bd7;
/* rgb */ color: rgb(104, 139, 215);
/* oklch */ color: oklch(64.4% 0.121 264.5);
Tailwind
colors: {
  custom: {
    50: '#9aace3',
    500: '#688bd7',
    950: '#000000',
  },
}
SCSS
$custom: #688bd7;
$custom-light: #9aace3;
$custom-dark: #000000;
JSON
{
  "hex": "#688bd7",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 215
  },
  "hsl": {
    "h": 221.081,
    "s": 58.115,
    "l": 62.549
  },
  "oklch": {
    "l": 0.64377,
    "c": 0.12115,
    "h": 264.5
  },
  "luminance": 0.26315
}

Semantic roles & 50–950 ramp

primary
#688BD7
secondary
#E2D5B9
accent
#9120C6
background
#F9FAFD
surface
#F2F4FB
border
#CCCED4
text
#0E1015
muted
#7E7F83

Preview Lab

Preview with #688BD7

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

Preview Lab → · Contrast checker → · Palette generator →

#688BD7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva