#678AEF#678AEF

#678AEF is a light, vivid blue. Relative luminance 0.273; OKLCH L 65.5% C 0.156 H 267.6°. Best body text is #000000 at 6.46:1 contrast (WCAG AA passes).

Color values

HEX#678AEF
RGBrgb(103, 138, 239)
HSLhsl(225, 81%, 67%)
HSVhsv(225, 57%, 94%)
CMYKcmyk(56.9%, 42.3%, 0%, 6.3%)
CIE-LABlab(59.24, 17.08, -54.66)
CIE-LCHlch(59.24, 57.26, 287.36°)
OKLaboklab(65.47% -0.0065 -0.1555)
OKLCHoklch(65.47% 0.156 267.6)
XYZxyz(30.2567, 27.2901, 85.3177)
Luminance0.2729 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#678AEF #EFCC67
analogous
#67CEEF #678AEF #8867EF
triadic
#678AEF #EF678A #8AEF67
tetradic
#678AEF #EF67CE #EFCC67 #67EF88
square
#678AEF #EF67CE #EFCC67 #67EF88
split-complementary
#678AEF #EF8867 #CEEF67
monochromatic
#1543C7 #305FE9 #678AEF #9EB5F5 #D6DFFB

Accessibility & contrast

On white

3.25
#678AEF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.46
#678AEF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678AEF
6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##678AEF#FFFFFF#000000##000000
##678AEF1.003.256.466.46
#FFFFFF3.251.0021.0021.00
#0000006.4621.001.001.00
##0000006.4621.001.001.00

Color blindness preview

Protanopia (red-blind)
#5E95F3
Deuteranopia (green-blind)
#4C89ED
Tritanopia (blue-blind)
#00A0B1
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #678aef;
/* rgb */ color: rgb(103, 138, 239);
/* oklch */ color: oklch(65.5% 0.156 267.6);
Tailwind
colors: {
  custom: {
    50: '#9cabf5',
    500: '#678aef',
    950: '#000000',
  },
}
SCSS
$custom: #678aef;
$custom-light: #9cabf5;
$custom-dark: #000000;
JSON
{
  "hex": "#678aef",
  "rgb": {
    "r": 103,
    "g": 138,
    "b": 239
  },
  "hsl": {
    "h": 224.559,
    "s": 80.952,
    "l": 67.059
  },
  "oklch": {
    "l": 0.65466,
    "c": 0.15563,
    "h": 267.6
  },
  "luminance": 0.27293
}

Semantic roles & 50–950 ramp

primary
#678AEF
secondary
#EEE3C3
accent
#A608DD
background
#FAFAFF
surface
#F4F4FE
border
#CECED6
text
#0F1017
muted
#7F7F85

Preview Lab

Preview with #678AEF

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

Preview Lab → · Contrast checker → · Palette generator →

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