#688CF4#688CF4

#688CF4 is a light, vivid blue. Relative luminance 0.282; OKLCH L 66.2% C 0.160 H 267.6°. Best body text is #000000 at 6.65:1 contrast (WCAG AA passes).

Color values

HEX#688CF4
RGBrgb(104, 140, 244)
HSLhsl(225, 86%, 68%)
HSVhsv(225, 57%, 96%)
CMYKcmyk(57.4%, 42.6%, 0%, 4.3%)
CIE-LABlab(60.09, 17.69, -56.06)
CIE-LCHlch(60.09, 58.78, 287.52°)
OKLaboklab(66.22% -0.0068 -0.1596)
OKLCHoklch(66.22% 0.16 267.6)
XYZxyz(31.4106, 28.2284, 89.3638)
Luminance0.2823 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688CF4 #F4D068
analogous
#68D2F4 #688CF4 #8A68F4
triadic
#688CF4 #F4688C #8CF468
tetradic
#688CF4 #F468D2 #F4D068 #68F48A
square
#688CF4 #F468D2 #F4D068 #68F48A
split-complementary
#688CF4 #F48A68 #D2F468
monochromatic
#0F41D2 #2F61F0 #688CF4 #A1B7F8 #DAE3FC

Accessibility & contrast

On white

3.16
#688CF4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.65
#688CF4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CF4
6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688CF4#FFFFFF#000000##000000
##688CF41.003.166.656.65
#FFFFFF3.161.0021.0021.00
#0000006.6521.001.001.00
##0000006.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#5E98F8
Deuteranopia (green-blind)
#4B8BF2
Tritanopia (blue-blind)
#00A3B4
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #688cf4;
/* rgb */ color: rgb(104, 140, 244);
/* oklch */ color: oklch(66.2% 0.160 267.6);
Tailwind
colors: {
  custom: {
    50: '#9dadf8',
    500: '#688cf4',
    950: '#000000',
  },
}
SCSS
$custom: #688cf4;
$custom-light: #9dadf8;
$custom-dark: #000000;
JSON
{
  "hex": "#688cf4",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 244
  },
  "hsl": {
    "h": 224.571,
    "s": 86.42,
    "l": 68.235
  },
  "oklch": {
    "l": 0.66223,
    "c": 0.1597,
    "h": 267.6
  },
  "luminance": 0.28231
}

Semantic roles & 50–950 ramp

primary
#688CF4
secondary
#F1E6C7
accent
#A903E3
background
#FAFAFF
surface
#F4F4FF
border
#CECED7
text
#0F1017
muted
#7F7F85

Preview Lab

Preview with #688CF4

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

Preview Lab → · Contrast checker → · Palette generator →

#688CF4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva