#678BDD#678BDD

#678BDD is a light, vivid blue. Relative luminance 0.266; OKLCH L 64.6% C 0.130 H 265.0°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX#678BDD
RGBrgb(103, 139, 221)
HSLhsl(222, 63%, 64%)
HSVhsv(222, 53%, 87%)
CMYKcmyk(53.4%, 37.1%, 0%, 13.3%)
CIE-LABlab(58.57, 10.76, -45.71)
CIE-LCHlch(58.57, 46.96, 283.24°)
OKLaboklab(64.64% -0.0112 -0.1293)
OKLCHoklch(64.64% 0.13 265)
XYZxyz(27.8729, 26.5672, 72.0518)
Luminance0.2657 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#678BDD #DDB967
analogous
#67C6DD #678BDD #7E67DD
triadic
#678BDD #DD678B #8BDD67
tetradic
#678BDD #DD67C6 #DDB967 #67DD7E
square
#678BDD #DD67C6 #DDB967 #67DD7E
split-complementary
#678BDD #DD7E67 #C6DD67
monochromatic
#254CA5 #3565D2 #678BDD #99B1E8 #CBD7F3

Accessibility & contrast

On white

3.33
#678BDD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.31
#678BDD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678BDD
6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##678BDD#FFFFFF#000000##000000
##678BDD1.003.336.316.31
#FFFFFF3.331.0021.0021.00
#0000006.3121.001.001.00
##0000006.3121.001.001.00

Color blindness preview

Protanopia (red-blind)
#6A93E0
Deuteranopia (green-blind)
#5C88DB
Tritanopia (blue-blind)
#289DA9
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #678bdd;
/* rgb */ color: rgb(103, 139, 221);
/* oklch */ color: oklch(64.6% 0.130 265.0);
Tailwind
colors: {
  custom: {
    50: '#9aace8',
    500: '#678bdd',
    950: '#000000',
  },
}
SCSS
$custom: #678bdd;
$custom-light: #9aace8;
$custom-dark: #000000;
JSON
{
  "hex": "#678bdd",
  "rgb": {
    "r": 103,
    "g": 139,
    "b": 221
  },
  "hsl": {
    "h": 221.695,
    "s": 63.441,
    "l": 63.529
  },
  "oklch": {
    "l": 0.64644,
    "c": 0.12979,
    "h": 265
  },
  "luminance": 0.26569
}

Semantic roles & 50–950 ramp

primary
#678BDD
secondary
#E5D8BB
accent
#951ACB
background
#F9FAFE
surface
#F2F4FC
border
#CCCED5
text
#0F1016
muted
#7E7F84

Preview Lab

Preview with #678BDD

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

Preview Lab → · Contrast checker → · Palette generator →

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