#688CFD#688CFD

#688CFD is a light, vivid blue. Relative luminance 0.288; OKLCH L 66.8% C 0.172 H 268.2°. Best body text is #000000 at 6.76:1 contrast (WCAG AA passes).

Color values

HEX#688CFD
RGBrgb(104, 140, 253)
HSLhsl(226, 97%, 70%)
HSVhsv(226, 59%, 99%)
CMYKcmyk(58.9%, 44.7%, 0%, 0.8%)
CIE-LABlab(60.59, 20.60, -60.21)
CIE-LCHlch(60.59, 63.64, 288.89°)
OKLaboklab(66.77% -0.0054 -0.1718)
OKLCHoklch(66.77% 0.172 268.2)
XYZxyz(32.8106, 28.7884, 96.7371)
Luminance0.2879 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688CFD #FDD968
analogous
#68D7FD #688CFD #8E68FD
triadic
#688CFD #FD688C #8CFD68
tetradic
#688CFD #FD68D7 #FDD968 #68FD8E
square
#688CFD #FD68D7 #FDD968 #68FD8E
split-complementary
#688CFD #FD8E68 #D7FD68
monochromatic
#033AE8 #2C5EFC #688CFD #A4BAFE #E1E8FF

Accessibility & contrast

On white

3.11
#688CFD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.76
#688CFD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CFD
6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688CFD#FFFFFF#000000##000000
##688CFD1.003.116.766.76
#FFFFFF3.111.0021.0021.00
#0000006.7621.001.001.00
##0000006.7621.001.001.00

Color blindness preview

Protanopia (red-blind)
#5799FF
Deuteranopia (green-blind)
#418CFB
Tritanopia (blue-blind)
#00A5B8
Achromatopsia (no color)
#929292

Design tokens & code

CSS
--color: #688cfd;
/* rgb */ color: rgb(104, 140, 253);
/* oklch */ color: oklch(66.8% 0.172 268.2);
Tailwind
colors: {
  custom: {
    50: '#9eadff',
    500: '#688cfd',
    950: '#000000',
  },
}
SCSS
$custom: #688cfd;
$custom-light: #9eadff;
$custom-dark: #000000;
JSON
{
  "hex": "#688cfd",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 253
  },
  "hsl": {
    "h": 225.503,
    "s": 97.386,
    "l": 70
  },
  "oklch": {
    "l": 0.66768,
    "c": 0.17183,
    "h": 268.2
  },
  "luminance": 0.28791
}

Semantic roles & 50–950 ramp

primary
#688CFD
secondary
#F5EBCC
accent
#AE00E6
background
#FAFAFF
surface
#F4F4FF
border
#CECED7
text
#101018
muted
#7F7F86

Preview Lab

Preview with #688CFD

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

Preview Lab → · Contrast checker → · Palette generator →

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