#688BC2#688BC2

#688BC2 is a light, moderate blue. Relative luminance 0.253; OKLCH L 63.3% C 0.092 H 259.2°. Best body text is #000000 at 6.06:1 contrast (WCAG AA passes).

Color values

HEX#688BC2
RGBrgb(104, 139, 194)
HSLhsl(217, 42%, 58%)
HSVhsv(217, 46%, 76%)
CMYKcmyk(46.4%, 28.4%, 0%, 23.9%)
CIE-LABlab(57.37, 2.73, -32.41)
CIE-LCHlch(57.37, 32.52, 274.81°)
OKLaboklab(63.31% -0.0173 -0.0907)
OKLCHoklch(63.31% 0.092 259.2)
XYZxyz(24.6759, 25.3018, 54.6119)
Luminance0.2530 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688BC2 #C29F68
analogous
#68B8C2 #688BC2 #7268C2
triadic
#688BC2 #C2688B #8BC268
tetradic
#688BC2 #C268B8 #C29F68 #68C272
square
#688BC2 #C268B8 #C29F68 #68C272
split-complementary
#688BC2 #C27268 #B8C268
monochromatic
#33507D #446BA9 #688BC2 #94ACD4 #BFCEE5

Accessibility & contrast

On white

3.47
#688BC2 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.06
#688BC2 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BC2
6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688BC2#FFFFFF#000000##000000
##688BC21.003.476.066.06
#FFFFFF3.471.0021.0021.00
#0000006.0621.001.001.00
##0000006.0621.001.001.00

Color blindness preview

Protanopia (red-blind)
#768EC4
Deuteranopia (green-blind)
#6C86C1
Tritanopia (blue-blind)
#44979E
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #688bc2;
/* rgb */ color: rgb(104, 139, 194);
/* oklch */ color: oklch(63.3% 0.092 259.2);
Tailwind
colors: {
  custom: {
    50: '#97acd4',
    500: '#688bc2',
    950: '#000000',
  },
}
SCSS
$custom: #688bc2;
$custom-light: #97acd4;
$custom-dark: #000000;
JSON
{
  "hex": "#688bc2",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 194
  },
  "hsl": {
    "h": 216.667,
    "s": 42.453,
    "l": 58.431
  },
  "oklch": {
    "l": 0.6331,
    "c": 0.0923,
    "h": 259.2
  },
  "luminance": 0.25303
}

Semantic roles & 50–950 ramp

primary
#688BC2
secondary
#D5C7B1
accent
#A256D2
background
#F9FAFD
surface
#F2F4FA
border
#CCCED3
text
#0E1014
muted
#7E7F83

Preview Lab

Preview with #688BC2

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

Preview Lab → · Contrast checker → · Palette generator →

#688BC2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva