#688ACC#688ACC

#688ACC is a light, moderate blue. Relative luminance 0.255; OKLCH L 63.6% C 0.107 H 262.9°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX#688ACC
RGBrgb(104, 138, 204)
HSLhsl(220, 50%, 60%)
HSVhsv(220, 49%, 80%)
CMYKcmyk(49%, 32.4%, 0%, 20%)
CIE-LABlab(57.54, 6.32, -37.79)
CIE-LCHlch(57.54, 38.32, 279.49°)
OKLaboklab(63.59% -0.0132 -0.1062)
OKLCHoklch(63.59% 0.107 262.9)
XYZxyz(25.6929, 25.4779, 60.6789)
Luminance0.2548 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688ACC #CCAA68
analogous
#68BCCC #688ACC #7868CC
triadic
#688ACC #CC688A #8ACC68
tetradic
#688ACC #CC68BC #CCAA68 #68CC78
square
#688ACC #CC68BC #CCAA68 #68CC78
split-complementary
#688ACC #CC7868 #BCCC68
monochromatic
#2F4E8B #3E68B8 #688ACC #96ADDB #C3D1EB

Accessibility & contrast

On white

3.44
#688ACC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.10
#688ACC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688ACC
6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688ACC#FFFFFF#000000##000000
##688ACC1.003.446.106.10
#FFFFFF3.441.0021.0021.00
#0000006.1021.001.001.00
##0000006.1021.001.001.00

Color blindness preview

Protanopia (red-blind)
#718FCF
Deuteranopia (green-blind)
#6686CB
Tritanopia (blue-blind)
#3D98A2
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #688acc;
/* rgb */ color: rgb(104, 138, 204);
/* oklch */ color: oklch(63.6% 0.107 262.9);
Tailwind
colors: {
  custom: {
    50: '#98abdc',
    500: '#688acc',
    950: '#000000',
  },
}
SCSS
$custom: #688acc;
$custom-light: #98abdc;
$custom-dark: #000000;
JSON
{
  "hex": "#688acc",
  "rgb": {
    "r": 104,
    "g": 138,
    "b": 204
  },
  "hsl": {
    "h": 219.6,
    "s": 49.505,
    "l": 60.392
  },
  "oklch": {
    "l": 0.63589,
    "c": 0.10707,
    "h": 262.9
  },
  "luminance": 0.2548
}

Semantic roles & 50–950 ramp

primary
#688ACC
secondary
#DBCEB5
accent
#8A29BD
background
#F9FAFD
surface
#F2F4FB
border
#CCCED4
text
#0E1015
muted
#7E7F83

Preview Lab

Preview with #688ACC

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

Preview Lab → · Contrast checker → · Palette generator →

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