#688DDC#688DDC

#688DDC is a light, vivid blue. Relative luminance 0.272; OKLCH L 65.1% C 0.126 H 264.2°. Best body text is #000000 at 6.43:1 contrast (WCAG AA passes).

Color values

HEX#688DDC
RGBrgb(104, 141, 220)
HSLhsl(221, 62%, 64%)
HSVhsv(221, 53%, 86%)
CMYKcmyk(52.7%, 35.9%, 0%, 13.7%)
CIE-LABlab(59.12, 9.48, -44.28)
CIE-LCHlch(59.12, 45.29, 282.09°)
OKLaboklab(65.07% -0.0127 -0.1251)
OKLCHoklch(65.07% 0.126 264.2)
XYZxyz(28.1477, 27.1581, 71.4550)
Luminance0.2716 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688DDC #DCB768
analogous
#68C7DC #688DDC #7D68DC
triadic
#688DDC #DC688D #8DDC68
tetradic
#688DDC #DC68C7 #DCB768 #68DC7D
square
#688DDC #DC68C7 #DCB768 #68DC7D
split-complementary
#688DDC #DC7D68 #C7DC68
monochromatic
#264EA4 #3667D0 #688DDC #9AB3E8 #CBD8F3

Accessibility & contrast

On white

3.26
#688DDC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.43
#688DDC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688DDC
6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688DDC#FFFFFF#000000##000000
##688DDC1.003.266.436.43
#FFFFFF3.261.0021.0021.00
#0000006.4321.001.001.00
##0000006.4321.001.001.00

Color blindness preview

Protanopia (red-blind)
#6E94DF
Deuteranopia (green-blind)
#6089DA
Tritanopia (blue-blind)
#2C9EAA
Achromatopsia (no color)
#8E8E8E

Design tokens & code

CSS
--color: #688ddc;
/* rgb */ color: rgb(104, 141, 220);
/* oklch */ color: oklch(65.1% 0.126 264.2);
Tailwind
colors: {
  custom: {
    50: '#9aaee7',
    500: '#688ddc',
    950: '#000000',
  },
}
SCSS
$custom: #688ddc;
$custom-light: #9aaee7;
$custom-dark: #000000;
JSON
{
  "hex": "#688ddc",
  "rgb": {
    "r": 104,
    "g": 141,
    "b": 220
  },
  "hsl": {
    "h": 220.862,
    "s": 62.366,
    "l": 63.529
  },
  "oklch": {
    "l": 0.65067,
    "c": 0.12576,
    "h": 264.2
  },
  "luminance": 0.2716
}

Semantic roles & 50–950 ramp

primary
#688DDC
secondary
#E4D7BB
accent
#921BCA
background
#F9FAFE
surface
#F2F4FC
border
#CCCED5
text
#0F1016
muted
#7E7F84

Preview Lab

Preview with #688DDC

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

Preview Lab → · Contrast checker → · Palette generator →

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