#688CD6#688CD6

#688CD6 is a light, moderate blue. Relative luminance 0.266; OKLCH L 64.5% C 0.119 H 263.7°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX#688CD6
RGBrgb(104, 140, 214)
HSLhsl(220, 57%, 62%)
HSVhsv(220, 51%, 84%)
CMYKcmyk(51.4%, 34.6%, 0%, 16.1%)
CIE-LABlab(58.56, 8.21, -41.81)
CIE-LCHlch(58.56, 42.61, 281.11°)
OKLaboklab(64.54% -0.013 -0.1179)
OKLCHoklch(64.54% 0.119 263.7)
XYZxyz(27.2206, 26.5523, 67.2960)
Luminance0.2655 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688CD6 #D6B268
analogous
#68C3D6 #688CD6 #7B68D6
triadic
#688CD6 #D6688C #8CD668
tetradic
#688CD6 #D668C3 #D6B268 #68D67B
square
#688CD6 #D668C3 #D6B268 #68D67B
split-complementary
#688CD6 #D67B68 #C3D668
monochromatic
#2A4E9A #3867C9 #688CD6 #98B1E3 #C8D5F0

Accessibility & contrast

On white

3.33
#688CD6 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.31
#688CD6 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CD6
6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688CD6#FFFFFF#000000##000000
##688CD61.003.336.316.31
#FFFFFF3.331.0021.0021.00
#0000006.3121.001.001.00
##0000006.3121.001.001.00

Color blindness preview

Protanopia (red-blind)
#6F92D9
Deuteranopia (green-blind)
#6288D4
Tritanopia (blue-blind)
#339CA7
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #688cd6;
/* rgb */ color: rgb(104, 140, 214);
/* oklch */ color: oklch(64.5% 0.119 263.7);
Tailwind
colors: {
  custom: {
    50: '#99ade3',
    500: '#688cd6',
    950: '#000000',
  },
}
SCSS
$custom: #688cd6;
$custom-light: #99ade3;
$custom-dark: #000000;
JSON
{
  "hex": "#688cd6",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 214
  },
  "hsl": {
    "h": 220.364,
    "s": 57.292,
    "l": 62.353
  },
  "oklch": {
    "l": 0.64536,
    "c": 0.11864,
    "h": 263.7
  },
  "luminance": 0.26554
}

Semantic roles & 50–950 ramp

primary
#688CD6
secondary
#E1D4B9
accent
#8F21C5
background
#F9FAFD
surface
#F2F4FB
border
#CCCED4
text
#0E1015
muted
#7E7F83

Preview Lab

Preview with #688CD6

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

Preview Lab → · Contrast checker → · Palette generator →

#688CD6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva