#688BF2#688BF2

#688BF2 is a light, vivid blue. Relative luminance 0.278; OKLCH L 65.9% C 0.158 H 267.8°. Best body text is #000000 at 6.56:1 contrast (WCAG AA passes).

Color values

HEX#688BF2
RGBrgb(104, 139, 242)
HSLhsl(225, 84%, 68%)
HSVhsv(225, 57%, 95%)
CMYKcmyk(57%, 42.6%, 0%, 5.1%)
CIE-LABlab(59.72, 17.65, -55.55)
CIE-LCHlch(59.72, 58.28, 287.62°)
OKLaboklab(65.9% -0.0061 -0.1581)
OKLCHoklch(65.9% 0.158 267.8)
XYZxyz(30.9632, 27.8167, 87.7247)
Luminance0.2782 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688BF2 #F2CF68
analogous
#68D0F2 #688BF2 #8A68F2
triadic
#688BF2 #F2688B #8BF268
tetradic
#688BF2 #F268D0 #F2CF68 #68F28A
square
#688BF2 #F268D0 #F2CF68 #68F28A
split-complementary
#688BF2 #F28A68 #D0F268
monochromatic
#1241CE #3060ED #688BF2 #A0B6F7 #D9E2FC

Accessibility & contrast

On white

3.20
#688BF2 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.56
#688BF2 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BF2
6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688BF2#FFFFFF#000000##000000
##688BF21.003.206.566.56
#FFFFFF3.201.0021.0021.00
#0000006.5621.001.001.00
##0000006.5621.001.001.00

Color blindness preview

Protanopia (red-blind)
#5E96F6
Deuteranopia (green-blind)
#4B8AF0
Tritanopia (blue-blind)
#00A2B3
Achromatopsia (no color)
#909090

Design tokens & code

CSS
--color: #688bf2;
/* rgb */ color: rgb(104, 139, 242);
/* oklch */ color: oklch(65.9% 0.158 267.8);
Tailwind
colors: {
  custom: {
    50: '#9dacf7',
    500: '#688bf2',
    950: '#000000',
  },
}
SCSS
$custom: #688bf2;
$custom-light: #9dacf7;
$custom-dark: #000000;
JSON
{
  "hex": "#688bf2",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 242
  },
  "hsl": {
    "h": 224.783,
    "s": 84.146,
    "l": 67.843
  },
  "oklch": {
    "l": 0.65902,
    "c": 0.15819,
    "h": 267.8
  },
  "luminance": 0.27819
}

Semantic roles & 50–950 ramp

primary
#688BF2
secondary
#F0E5C6
accent
#A905E1
background
#FAFAFF
surface
#F4F4FF
border
#CECED7
text
#0F1017
muted
#7F7F85

Preview Lab

Preview with #688BF2

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

Preview Lab → · Contrast checker → · Palette generator →

#688BF2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva