#688CE7#688CE7

#688CE7 is a light, vivid blue. Relative luminance 0.275; OKLCH L 65.5% C 0.142 H 266.3°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX#688CE7
RGBrgb(104, 140, 231)
HSLhsl(223, 73%, 66%)
HSVhsv(223, 55%, 91%)
CMYKcmyk(55%, 39.4%, 0%, 9.4%)
CIE-LABlab(59.40, 13.54, -49.96)
CIE-LCHlch(59.40, 51.76, 285.16°)
OKLaboklab(65.47% -0.0092 -0.1417)
OKLCHoklch(65.47% 0.142 266.3)
XYZxyz(29.5060, 27.4665, 79.3325)
Luminance0.2747 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688CE7 #E7C368
analogous
#68CBE7 #688CE7 #8368E7
triadic
#688CE7 #E7688C #8CE768
tetradic
#688CE7 #E768CB #E7C368 #68E783
square
#688CE7 #E768CB #E7C368 #68E783
split-complementary
#688CE7 #E78368 #CBE768
monochromatic
#1D49B7 #3364DF #688CE7 #9DB4EF #D2DCF8

Accessibility & contrast

On white

3.23
#688CE7 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.49
#688CE7 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CE7
6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688CE7#FFFFFF#000000##000000
##688CE71.003.236.496.49
#FFFFFF3.231.0021.0021.00
#0000006.4921.001.001.00
##0000006.4921.001.001.00

Color blindness preview

Protanopia (red-blind)
#6695EB
Deuteranopia (green-blind)
#578AE5
Tritanopia (blue-blind)
#1BA0AE
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #688ce7;
/* rgb */ color: rgb(104, 140, 231);
/* oklch */ color: oklch(65.5% 0.142 266.3);
Tailwind
colors: {
  custom: {
    50: '#9badef',
    500: '#688ce7',
    950: '#000000',
  },
}
SCSS
$custom: #688ce7;
$custom-light: #9badef;
$custom-dark: #000000;
JSON
{
  "hex": "#688ce7",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 231
  },
  "hsl": {
    "h": 222.992,
    "s": 72.571,
    "l": 65.686
  },
  "oklch": {
    "l": 0.65467,
    "c": 0.142,
    "h": 266.3
  },
  "luminance": 0.27469
}

Semantic roles & 50–950 ramp

primary
#688CE7
secondary
#EBDFC0
accent
#9D11D5
background
#FAFAFE
surface
#F3F4FD
border
#CDCED5
text
#0F1016
muted
#7F7F84

Preview Lab

Preview with #688CE7

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

Preview Lab → · Contrast checker → · Palette generator →

#688CE7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva