#688DCE#688DCE

#688DCE is a light, moderate blue. Relative luminance 0.264; OKLCH L 64.3% C 0.107 H 261.2°. Best body text is #000000 at 6.29:1 contrast (WCAG AA passes).

Color values

HEX#688DCE
RGBrgb(104, 141, 206)
HSLhsl(218, 51%, 61%)
HSVhsv(218, 50%, 81%)
CMYKcmyk(49.5%, 31.6%, 0%, 19.2%)
CIE-LABlab(58.46, 5.17, -37.48)
CIE-LCHlch(58.46, 37.83, 277.85°)
OKLaboklab(64.34% -0.0163 -0.1053)
OKLCHoklch(64.34% 0.107 261.2)
XYZxyz(26.3707, 26.4472, 62.0958)
Luminance0.2645 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688DCE #CEA968
analogous
#68C0CE #688DCE #7668CE
triadic
#688DCE #CE688D #8DCE68
tetradic
#688DCE #CE68C0 #CEA968 #68CE76
square
#688DCE #CE68C0 #CEA968 #68CE76
split-complementary
#688DCE #CE7668 #C0CE68
monochromatic
#2E518E #3D6BBC #688DCE #96B0DD #C4D3EC

Accessibility & contrast

On white

3.34
#688DCE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.29
#688DCE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688DCE
6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688DCE#FFFFFF#000000##000000
##688DCE1.003.346.296.29
#FFFFFF3.341.0021.0021.00
#0000006.2921.001.001.00
##0000006.2921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7492D1
Deuteranopia (green-blind)
#6888CD
Tritanopia (blue-blind)
#3A9BA4
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #688dce;
/* rgb */ color: rgb(104, 141, 206);
/* oklch */ color: oklch(64.3% 0.107 261.2);
Tailwind
colors: {
  custom: {
    50: '#99aedd',
    500: '#688dce',
    950: '#000000',
  },
}
SCSS
$custom: #688dce;
$custom-light: #99aedd;
$custom-dark: #000000;
JSON
{
  "hex": "#688dce",
  "rgb": {
    "r": 104,
    "g": 141,
    "b": 206
  },
  "hsl": {
    "h": 218.235,
    "s": 51,
    "l": 60.784
  },
  "oklch": {
    "l": 0.64337,
    "c": 0.10658,
    "h": 261.2
  },
  "luminance": 0.26449
}

Semantic roles & 50–950 ramp

primary
#688DCE
secondary
#DCCEB6
accent
#8827BE
background
#F9FAFD
surface
#F2F4FB
border
#CCCED4
text
#0E1015
muted
#7E7F83

Preview Lab

Preview with #688DCE

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

Preview Lab → · Contrast checker → · Palette generator →

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