#688ADD#688ADD

#688ADD is a light, vivid blue. Relative luminance 0.263; OKLCH L 64.5% C 0.131 H 266.0°. Best body text is #000000 at 6.27:1 contrast (WCAG AA passes).

Color values

HEX#688ADD
RGBrgb(104, 138, 221)
HSLhsl(223, 63%, 64%)
HSVhsv(223, 53%, 87%)
CMYKcmyk(52.9%, 37.6%, 0%, 13.3%)
CIE-LABlab(58.36, 11.57, -46.05)
CIE-LCHlch(58.36, 47.48, 284.10°)
OKLaboklab(64.49% -0.0091 -0.1303)
OKLCHoklch(64.49% 0.131 266)
XYZxyz(27.8442, 26.3385, 72.0092)
Luminance0.2634 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688ADD #DDBB68
analogous
#68C4DD #688ADD #8068DD
triadic
#688ADD #DD688A #8ADD68
tetradic
#688ADD #DD68C4 #DDBB68 #68DD80
square
#688ADD #DD68C4 #DDBB68 #68DD80
split-complementary
#688ADD #DD8068 #C4DD68
monochromatic
#254AA5 #3663D2 #688ADD #9AB1E8 #CCD7F3

Accessibility & contrast

On white

3.35
#688ADD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.27
#688ADD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688ADD
6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688ADD#FFFFFF#000000##000000
##688ADD1.003.356.276.27
#FFFFFF3.351.0021.0021.00
#0000006.2721.001.001.00
##0000006.2721.001.001.00

Color blindness preview

Protanopia (red-blind)
#6992E0
Deuteranopia (green-blind)
#5B87DB
Tritanopia (blue-blind)
#2C9CA9
Achromatopsia (no color)
#8C8C8C

Design tokens & code

CSS
--color: #688add;
/* rgb */ color: rgb(104, 138, 221);
/* oklch */ color: oklch(64.5% 0.131 266.0);
Tailwind
colors: {
  custom: {
    50: '#9aabe8',
    500: '#688add',
    950: '#000000',
  },
}
SCSS
$custom: #688add;
$custom-light: #9aabe8;
$custom-dark: #000000;
JSON
{
  "hex": "#688add",
  "rgb": {
    "r": 104,
    "g": 138,
    "b": 221
  },
  "hsl": {
    "h": 222.564,
    "s": 63.243,
    "l": 63.725
  },
  "oklch": {
    "l": 0.64492,
    "c": 0.1306,
    "h": 266
  },
  "luminance": 0.2634
}

Semantic roles & 50–950 ramp

primary
#688ADD
secondary
#E5D9BC
accent
#981ACB
background
#F9FAFE
surface
#F2F4FC
border
#CCCED5
text
#0F1016
muted
#7E7F84

Preview Lab

Preview with #688ADD

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

Preview Lab → · Contrast checker → · Palette generator →

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