#678DEF#678DEF

#678DEF is a light, vivid blue. Relative luminance 0.282; OKLCH L 66.1% C 0.152 H 266.4°. Best body text is #000000 at 6.63:1 contrast (WCAG AA passes).

Color values

HEX#678DEF
RGBrgb(103, 141, 239)
HSLhsl(223, 81%, 67%)
HSVhsv(223, 57%, 94%)
CMYKcmyk(56.9%, 41%, 0%, 6.3%)
CIE-LABlab(60.04, 15.29, -53.39)
CIE-LCHlch(60.04, 55.54, 285.98°)
OKLaboklab(66.08% -0.0097 -0.1518)
OKLCHoklch(66.08% 0.152 266.4)
XYZxyz(30.6931, 28.1629, 85.4632)
Luminance0.2817 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#678DEF #EFC967
analogous
#67D1EF #678DEF #8567EF
triadic
#678DEF #EF678D #8DEF67
tetradic
#678DEF #EF67D1 #EFC967 #67EF85
square
#678DEF #EF67D1 #EFC967 #67EF85
split-complementary
#678DEF #EF8567 #D1EF67
monochromatic
#1547C7 #3063E9 #678DEF #9EB7F5 #D6E0FB

Accessibility & contrast

On white

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

On black

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

Best text color

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

Contrast matrix

fg \ bg##678DEF#FFFFFF#000000##000000
##678DEF1.003.176.636.63
#FFFFFF3.171.0021.0021.00
#0000006.6321.001.001.00
##0000006.6321.001.001.00

Color blindness preview

Protanopia (red-blind)
#6397F3
Deuteranopia (green-blind)
#518BED
Tritanopia (blue-blind)
#00A3B2
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #678def;
/* rgb */ color: rgb(103, 141, 239);
/* oklch */ color: oklch(66.1% 0.152 266.4);
Tailwind
colors: {
  custom: {
    50: '#9cadf5',
    500: '#678def',
    950: '#000000',
  },
}
SCSS
$custom: #678def;
$custom-light: #9cadf5;
$custom-dark: #000000;
JSON
{
  "hex": "#678def",
  "rgb": {
    "r": 103,
    "g": 141,
    "b": 239
  },
  "hsl": {
    "h": 223.235,
    "s": 80.952,
    "l": 67.059
  },
  "oklch": {
    "l": 0.66076,
    "c": 0.15207,
    "h": 266.4
  },
  "luminance": 0.28165
}

Semantic roles & 50–950 ramp

primary
#678DEF
secondary
#EEE2C3
accent
#A208DD
background
#FAFAFF
surface
#F4F4FE
border
#CECED6
text
#0F1017
muted
#7F7F85

Preview Lab

Preview with #678DEF

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

Preview Lab → · Contrast checker → · Palette generator →

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