#688DCD#688DCD

#688DCD is a light, moderate blue. Relative luminance 0.264; OKLCH L 64.3% C 0.105 H 260.9°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX#688DCD
RGBrgb(104, 141, 205)
HSLhsl(218, 50%, 61%)
HSVhsv(218, 49%, 80%)
CMYKcmyk(49.3%, 31.2%, 0%, 19.6%)
CIE-LABlab(58.41, 4.86, -36.99)
CIE-LCHlch(58.41, 37.30, 277.49°)
OKLaboklab(64.29% -0.0166 -0.1039)
OKLCHoklch(64.29% 0.105 260.9)
XYZxyz(26.2496, 26.3988, 61.4580)
Luminance0.2640 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688DCD #CDA868
analogous
#68BFCD #688DCD #7568CD
triadic
#688DCD #CD688D #8DCD68
tetradic
#688DCD #CD68BF #CDA868 #68CD75
square
#688DCD #CD68BF #CDA868 #68CD75
split-complementary
#688DCD #CD7568 #BFCD68
monochromatic
#2E518C #3E6BBA #688DCD #96B0DC #C4D2EB

Accessibility & contrast

On white

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

On black

6.28
#688DCD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688DCD
6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688DCD#FFFFFF#000000##000000
##688DCD1.003.346.286.28
#FFFFFF3.341.0021.0021.00
#0000006.2821.001.001.00
##0000006.2821.001.001.00

Color blindness preview

Protanopia (red-blind)
#7592D0
Deuteranopia (green-blind)
#6988CC
Tritanopia (blue-blind)
#3B9BA4
Achromatopsia (no color)
#8C8C8C

Design tokens & code

CSS
--color: #688dcd;
/* rgb */ color: rgb(104, 141, 205);
/* oklch */ color: oklch(64.3% 0.105 260.9);
Tailwind
colors: {
  custom: {
    50: '#98aedc',
    500: '#688dcd',
    950: '#000000',
  },
}
SCSS
$custom: #688dcd;
$custom-light: #98aedc;
$custom-dark: #000000;
JSON
{
  "hex": "#688dcd",
  "rgb": {
    "r": 104,
    "g": 141,
    "b": 205
  },
  "hsl": {
    "h": 218.02,
    "s": 50.249,
    "l": 60.588
  },
  "oklch": {
    "l": 0.64286,
    "c": 0.1052,
    "h": 260.9
  },
  "luminance": 0.26401
}

Semantic roles & 50–950 ramp

primary
#688DCD
secondary
#DCCEB5
accent
#8728BE
background
#F9FAFD
surface
#F2F4FB
border
#CCCED4
text
#0E1015
muted
#7E7F83

Preview Lab

Preview with #688DCD

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

Preview Lab → · Contrast checker → · Palette generator →

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