#678AFF#678AFF

#678AFF is a light, vivid blue. Relative luminance 0.283; OKLCH L 66.4% C 0.177 H 268.7°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX#678AFF
RGBrgb(103, 138, 255)
HSLhsl(226, 100%, 70%)
HSVhsv(226, 60%, 100%)
CMYKcmyk(59.6%, 45.9%, 0%, 0%)
CIE-LABlab(60.14, 22.26, -62.04)
CIE-LCHlch(60.14, 65.91, 289.74°)
OKLaboklab(66.44% -0.004 -0.1772)
OKLCHoklch(66.44% 0.177 268.7)
XYZxyz(32.7259, 28.2778, 98.3219)
Luminance0.2828 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#678AFF #FFDC67
analogous
#67D6FF #678AFF #9067FF
triadic
#678AFF #FF678A #8AFF67
tetradic
#678AFF #FF67D6 #FFDC67 #67FF90
square
#678AFF #FF67D6 #FFDC67 #67FF90
split-complementary
#678AFF #FF9067 #D6FF67
monochromatic
#0036EC #2A5BFF #678AFF #A4B9FF #E0E7FF

Accessibility & contrast

On white

3.15
#678AFF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.66
#678AFF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678AFF
6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##678AFF#FFFFFF#000000##000000
##678AFF1.003.156.666.66
#FFFFFF3.151.0021.0021.00
#0000006.6621.001.001.00
##0000006.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#5198FF
Deuteranopia (green-blind)
#398BFD
Tritanopia (blue-blind)
#00A4B8
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #678aff;
/* rgb */ color: rgb(103, 138, 255);
/* oklch */ color: oklch(66.4% 0.177 268.7);
Tailwind
colors: {
  custom: {
    50: '#9eabff',
    500: '#678aff',
    950: '#000000',
  },
}
SCSS
$custom: #678aff;
$custom-light: #9eabff;
$custom-dark: #000000;
JSON
{
  "hex": "#678aff",
  "rgb": {
    "r": 103,
    "g": 138,
    "b": 255
  },
  "hsl": {
    "h": 226.184,
    "s": 100,
    "l": 70.196
  },
  "oklch": {
    "l": 0.66443,
    "c": 0.17722,
    "h": 268.7
  },
  "luminance": 0.28281
}

Semantic roles & 50–950 ramp

primary
#678AFF
secondary
#F6ECCC
accent
#B100E6
background
#FAFAFF
surface
#F4F4FF
border
#CECED7
text
#101018
muted
#7F7F86

Preview Lab

Preview with #678AFF

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

Preview Lab → · Contrast checker → · Palette generator →

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