#678FFB#678FFB

#678FFB is a light, vivid blue. Relative luminance 0.295; OKLCH L 67.2% C 0.166 H 266.7°. Best body text is #000000 at 6.90:1 contrast (WCAG AA passes).

Color values

HEX#678FFB
RGBrgb(103, 143, 251)
HSLhsl(224, 95%, 69%)
HSVhsv(224, 59%, 98%)
CMYKcmyk(59%, 43%, 0%, 1.6%)
CIE-LABlab(61.21, 17.98, -58.13)
CIE-LCHlch(61.21, 60.84, 287.19°)
OKLaboklab(67.19% -0.0096 -0.1656)
OKLCHoklch(67.19% 0.166 266.7)
XYZxyz(32.8226, 29.4908, 95.2107)
Luminance0.2949 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#678FFB #FBD367
analogous
#67D9FB #678FFB #8967FB
triadic
#678FFB #FB678F #8FFB67
tetradic
#678FFB #FB67D9 #FBD367 #67FB89
square
#678FFB #FB67D9 #FBD367 #67FB89
split-complementary
#678FFB #FB8967 #D9FB67
monochromatic
#0641E2 #2B63F9 #678FFB #A3BBFD #DEE7FE

Accessibility & contrast

On white

3.04
#678FFB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.90
#678FFB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678FFB
6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##678FFB#FFFFFF#000000##000000
##678FFB1.003.046.906.90
#FFFFFF3.041.0021.0021.00
#0000006.9021.001.001.00
##0000006.9021.001.001.00

Color blindness preview

Protanopia (red-blind)
#5E9BFF
Deuteranopia (green-blind)
#498EF9
Tritanopia (blue-blind)
#00A7B9
Achromatopsia (no color)
#949494

Design tokens & code

CSS
--color: #678ffb;
/* rgb */ color: rgb(103, 143, 251);
/* oklch */ color: oklch(67.2% 0.166 266.7);
Tailwind
colors: {
  custom: {
    50: '#9eaffd',
    500: '#678ffb',
    950: '#000000',
  },
}
SCSS
$custom: #678ffb;
$custom-light: #9eaffd;
$custom-dark: #000000;
JSON
{
  "hex": "#678ffb",
  "rgb": {
    "r": 103,
    "g": 143,
    "b": 251
  },
  "hsl": {
    "h": 223.784,
    "s": 94.872,
    "l": 69.412
  },
  "oklch": {
    "l": 0.67191,
    "c": 0.1659,
    "h": 266.7
  },
  "luminance": 0.29494
}

Semantic roles & 50–950 ramp

primary
#678FFB
secondary
#F4E9CA
accent
#A700E6
background
#FAFAFF
surface
#F4F4FF
border
#CECED7
text
#0F1018
muted
#7F7F86

Preview Lab

Preview with #678FFB

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

Preview Lab → · Contrast checker → · Palette generator →

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