#678DDE#678DDE

#678DDE is a light, vivid blue. Relative luminance 0.272; OKLCH L 65.1% C 0.129 H 264.1°. Best body text is #000000 at 6.44:1 contrast (WCAG AA passes).

Color values

HEX#678DDE
RGBrgb(103, 141, 222)
HSLhsl(221, 64%, 64%)
HSVhsv(221, 54%, 87%)
CMYKcmyk(53.6%, 36.5%, 0%, 12.9%)
CIE-LABlab(59.16, 9.89, -45.34)
CIE-LCHlch(59.16, 46.40, 282.31°)
OKLaboklab(65.12% -0.0132 -0.1282)
OKLCHoklch(65.12% 0.129 264.1)
XYZxyz(28.2988, 27.2051, 72.8530)
Luminance0.2721 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#678DDE #DEB867
analogous
#67C8DE #678DDE #7C67DE
triadic
#678DDE #DE678D #8DDE67
tetradic
#678DDE #DE67C8 #DEB867 #67DE7C
square
#678DDE #DE67C8 #DEB867 #67DE7C
split-complementary
#678DDE #DE7C67 #C8DE67
monochromatic
#244EA6 #3567D3 #678DDE #99B3E9 #CCD8F4

Accessibility & contrast

On white

3.26
#678DDE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.44
#678DDE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678DDE
6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##678DDE#FFFFFF#000000##000000
##678DDE1.003.266.446.44
#FFFFFF3.261.0021.0021.00
#0000006.4421.001.001.00
##0000006.4421.001.001.00

Color blindness preview

Protanopia (red-blind)
#6C94E1
Deuteranopia (green-blind)
#5E89DC
Tritanopia (blue-blind)
#269FAB
Achromatopsia (no color)
#8E8E8E

Design tokens & code

CSS
--color: #678dde;
/* rgb */ color: rgb(103, 141, 222);
/* oklch */ color: oklch(65.1% 0.129 264.1);
Tailwind
colors: {
  custom: {
    50: '#9aaee8',
    500: '#678dde',
    950: '#000000',
  },
}
SCSS
$custom: #678dde;
$custom-light: #9aaee8;
$custom-dark: #000000;
JSON
{
  "hex": "#678dde",
  "rgb": {
    "r": 103,
    "g": 141,
    "b": 222
  },
  "hsl": {
    "h": 220.84,
    "s": 64.324,
    "l": 63.725
  },
  "oklch": {
    "l": 0.65118,
    "c": 0.12887,
    "h": 264.1
  },
  "luminance": 0.27207
}

Semantic roles & 50–950 ramp

primary
#678DDE
secondary
#E5D8BB
accent
#9319CC
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0F1016
muted
#7E7F84

Preview Lab

Preview with #678DDE

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

Preview Lab → · Contrast checker → · Palette generator →

#678DDE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva