#688BEF#688BEF

#688BEF is a light, vivid blue. Relative luminance 0.276; OKLCH L 65.7% C 0.154 H 267.5°. Best body text is #000000 at 6.53:1 contrast (WCAG AA passes).

Color values

HEX#688BEF
RGBrgb(104, 139, 239)
HSLhsl(224, 81%, 67%)
HSVhsv(224, 56%, 94%)
CMYKcmyk(56.5%, 41.8%, 0%, 6.3%)
CIE-LABlab(59.56, 16.68, -54.15)
CIE-LCHlch(59.56, 56.66, 287.13°)
OKLaboklab(65.72% -0.0066 -0.154)
OKLCHoklch(65.72% 0.154 267.5)
XYZxyz(30.5163, 27.6379, 85.3712)
Luminance0.2764 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688BEF #EFCC68
analogous
#68CFEF #688BEF #8868EF
triadic
#688BEF #EF688B #8BEF68
tetradic
#688BEF #EF68CF #EFCC68 #68EF88
square
#688BEF #EF68CF #EFCC68 #68EF88
split-complementary
#688BEF #EF8868 #CFEF68
monochromatic
#1543C7 #3160E9 #688BEF #9FB6F5 #D7E0FB

Accessibility & contrast

On white

3.22
#688BEF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.53
#688BEF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BEF
6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688BEF#FFFFFF#000000##000000
##688BEF1.003.226.536.53
#FFFFFF3.221.0021.0021.00
#0000006.5321.001.001.00
##0000006.5321.001.001.00

Color blindness preview

Protanopia (red-blind)
#6096F3
Deuteranopia (green-blind)
#4E8AED
Tritanopia (blue-blind)
#00A1B1
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #688bef;
/* rgb */ color: rgb(104, 139, 239);
/* oklch */ color: oklch(65.7% 0.154 267.5);
Tailwind
colors: {
  custom: {
    50: '#9dacf5',
    500: '#688bef',
    950: '#000000',
  },
}
SCSS
$custom: #688bef;
$custom-light: #9dacf5;
$custom-dark: #000000;
JSON
{
  "hex": "#688bef",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 239
  },
  "hsl": {
    "h": 224.444,
    "s": 80.838,
    "l": 67.255
  },
  "oklch": {
    "l": 0.65725,
    "c": 0.15411,
    "h": 267.5
  },
  "luminance": 0.2764
}

Semantic roles & 50–950 ramp

primary
#688BEF
secondary
#EFE4C4
accent
#A608DD
background
#FAFAFF
surface
#F4F4FE
border
#CECED6
text
#0F1017
muted
#7F7F85

Preview Lab

Preview with #688BEF

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

Preview Lab → · Contrast checker → · Palette generator →

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