#678CF4#678CF4

#678CF4 is a light, vivid blue. Relative luminance 0.282; OKLCH L 66.2% C 0.160 H 267.2°. Best body text is #000000 at 6.63:1 contrast (WCAG AA passes).

Color values

HEX#678CF4
RGBrgb(103, 140, 244)
HSLhsl(224, 87%, 68%)
HSVhsv(224, 58%, 96%)
CMYKcmyk(57.8%, 42.6%, 0%, 4.3%)
CIE-LABlab(60.04, 17.50, -56.14)
CIE-LCHlch(60.04, 58.81, 287.31°)
OKLaboklab(66.17% -0.0077 -0.1598)
OKLCHoklch(66.17% 0.16 267.2)
XYZxyz(31.2952, 28.1689, 89.3584)
Luminance0.2817 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#678CF4 #F4CF67
analogous
#67D3F4 #678CF4 #8867F4
triadic
#678CF4 #F4678C #8CF467
tetradic
#678CF4 #F467D3 #F4CF67 #67F488
square
#678CF4 #F467D3 #F4CF67 #67F488
split-complementary
#678CF4 #F48867 #D3F467
monochromatic
#0F42D1 #2E61F0 #678CF4 #A0B7F8 #D9E2FC

Accessibility & contrast

On white

3.17
#678CF4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.63
#678CF4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678CF4
6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##678CF4#FFFFFF#000000##000000
##678CF41.003.176.636.63
#FFFFFF3.171.0021.0021.00
#0000006.6321.001.001.00
##0000006.6321.001.001.00

Color blindness preview

Protanopia (red-blind)
#5E97F8
Deuteranopia (green-blind)
#4A8BF2
Tritanopia (blue-blind)
#00A3B4
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #678cf4;
/* rgb */ color: rgb(103, 140, 244);
/* oklch */ color: oklch(66.2% 0.160 267.2);
Tailwind
colors: {
  custom: {
    50: '#9dadf8',
    500: '#678cf4',
    950: '#000000',
  },
}
SCSS
$custom: #678cf4;
$custom-light: #9dadf8;
$custom-dark: #000000;
JSON
{
  "hex": "#678cf4",
  "rgb": {
    "r": 103,
    "g": 140,
    "b": 244
  },
  "hsl": {
    "h": 224.255,
    "s": 86.503,
    "l": 68.039
  },
  "oklch": {
    "l": 0.66168,
    "c": 0.16003,
    "h": 267.2
  },
  "luminance": 0.28171
}

Semantic roles & 50–950 ramp

primary
#678CF4
secondary
#F1E6C6
accent
#A802E3
background
#FAFAFF
surface
#F4F4FF
border
#CECED7
text
#0F1017
muted
#7F7F85

Preview Lab

Preview with #678CF4

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

Preview Lab → · Contrast checker → · Palette generator →

#678CF4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva