#678BF8#678BF8

#678BF8 is a light, vivid blue. Relative luminance 0.281; OKLCH L 66.2% C 0.167 H 267.9°. Best body text is #000000 at 6.63:1 contrast (WCAG AA passes).

Color values

HEX#678BF8
RGBrgb(103, 139, 248)
HSLhsl(225, 91%, 69%)
HSVhsv(225, 58%, 97%)
CMYKcmyk(58.5%, 44%, 0%, 2.7%)
CIE-LABlab(60.00, 19.39, -58.41)
CIE-LCHlch(60.00, 61.55, 288.36°)
OKLaboklab(66.21% -0.006 -0.1665)
OKLCHoklch(66.21% 0.167 267.9)
XYZxyz(31.7637, 28.1235, 92.5433)
Luminance0.2813 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#678BF8 #F8D467
analogous
#67D4F8 #678BF8 #8C67F8
triadic
#678BF8 #F8678B #8BF867
tetradic
#678BF8 #F867D4 #F8D467 #67F88C
square
#678BF8 #F867D4 #F8D467 #67F88C
split-complementary
#678BF8 #F88C67 #D4F867
monochromatic
#0A3EDB #2C5EF5 #678BF8 #A2B8FB #DCE4FD

Accessibility & contrast

On white

3.17
#678BF8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.63
#678BF8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678BF8
6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##678BF8#FFFFFF#000000##000000
##678BF81.003.176.636.63
#FFFFFF3.171.0021.0021.00
#0000006.6321.001.001.00
##0000006.6321.001.001.00

Color blindness preview

Protanopia (red-blind)
#5997FC
Deuteranopia (green-blind)
#448AF6
Tritanopia (blue-blind)
#00A3B5
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #678bf8;
/* rgb */ color: rgb(103, 139, 248);
/* oklch */ color: oklch(66.2% 0.167 267.9);
Tailwind
colors: {
  custom: {
    50: '#9dacfb',
    500: '#678bf8',
    950: '#000000',
  },
}
SCSS
$custom: #678bf8;
$custom-light: #9dacfb;
$custom-dark: #000000;
JSON
{
  "hex": "#678bf8",
  "rgb": {
    "r": 103,
    "g": 139,
    "b": 248
  },
  "hsl": {
    "h": 225.103,
    "s": 91.195,
    "l": 68.824
  },
  "oklch": {
    "l": 0.66208,
    "c": 0.16662,
    "h": 267.9
  },
  "luminance": 0.28126
}

Semantic roles & 50–950 ramp

primary
#678BF8
secondary
#F3E8C8
accent
#AD00E6
background
#FAFAFF
surface
#F4F4FF
border
#CECED7
text
#0F1017
muted
#7F7F85

Preview Lab

Preview with #678BF8

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

Preview Lab → · Contrast checker → · Palette generator →

#678BF8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva