#678AF8#678AF8

#678AF8 is a light, vivid blue. Relative luminance 0.278; OKLCH L 66.0% C 0.168 H 268.3°. Best body text is #000000 at 6.57:1 contrast (WCAG AA passes).

Color values

HEX#678AF8
RGBrgb(103, 138, 248)
HSLhsl(226, 91%, 69%)
HSVhsv(226, 58%, 97%)
CMYKcmyk(58.5%, 44.4%, 0%, 2.7%)
CIE-LABlab(59.74, 19.99, -58.83)
CIE-LCHlch(59.74, 62.13, 288.77°)
OKLaboklab(66.01% -0.005 -0.1677)
OKLCHoklch(66.01% 0.168 268.3)
XYZxyz(31.6196, 27.8353, 92.4952)
Luminance0.2784 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#678AF8 #F8D567
analogous
#67D3F8 #678AF8 #8D67F8
triadic
#678AF8 #F8678A #8AF867
tetradic
#678AF8 #F867D3 #F8D567 #67F88D
square
#678AF8 #F867D3 #F8D567 #67F88D
split-complementary
#678AF8 #F88D67 #D3F867
monochromatic
#0A3CDB #2C5DF5 #678AF8 #A2B7FB #DCE4FD

Accessibility & contrast

On white

3.20
#678AF8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.57
#678AF8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678AF8
6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##678AF8#FFFFFF#000000##000000
##678AF81.003.206.576.57
#FFFFFF3.201.0021.0021.00
#0000006.5721.001.001.00
##0000006.5721.001.001.00

Color blindness preview

Protanopia (red-blind)
#5797FC
Deuteranopia (green-blind)
#428AF6
Tritanopia (blue-blind)
#00A3B5
Achromatopsia (no color)
#909090

Design tokens & code

CSS
--color: #678af8;
/* rgb */ color: rgb(103, 138, 248);
/* oklch */ color: oklch(66.0% 0.168 268.3);
Tailwind
colors: {
  custom: {
    50: '#9dabfb',
    500: '#678af8',
    950: '#000000',
  },
}
SCSS
$custom: #678af8;
$custom-light: #9dabfb;
$custom-dark: #000000;
JSON
{
  "hex": "#678af8",
  "rgb": {
    "r": 103,
    "g": 138,
    "b": 248
  },
  "hsl": {
    "h": 225.517,
    "s": 91.195,
    "l": 68.824
  },
  "oklch": {
    "l": 0.66008,
    "c": 0.16782,
    "h": 268.3
  },
  "luminance": 0.27838
}

Semantic roles & 50–950 ramp

primary
#678AF8
secondary
#F3E8C8
accent
#AE00E6
background
#FAFAFF
surface
#F4F4FF
border
#CECED7
text
#0F1017
muted
#7F7F85

Preview Lab

Preview with #678AF8

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

Preview Lab → · Contrast checker → · Palette generator →

#678AF8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva