#4378DC#4378DC

#4378DC is a mid, vivid blue. Relative luminance 0.198; OKLCH L 58.8% C 0.163 H 261.7°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX#4378DC
RGBrgb(67, 120, 220)
HSLhsl(219, 69%, 56%)
HSVhsv(219, 70%, 86%)
CMYKcmyk(69.5%, 45.5%, 0%, 13.7%)
CIE-LABlab(51.60, 15.36, -56.36)
CIE-LCHlch(51.60, 58.41, 285.24°)
OKLaboklab(58.78% -0.0234 -0.1614)
OKLCHoklch(58.78% 0.163 261.7)
XYZxyz(21.9449, 19.7913, 70.3598)
Luminance0.1979 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4378DC #DCA743
analogous
#43C4DC #4378DC #5B43DC
triadic
#4378DC #DC4378 #78DC43
tetradic
#4378DC #DC43C4 #DCA743 #43DC5B
square
#4378DC #DC43C4 #DCA743 #43DC5B
split-complementary
#4378DC #DC5B43 #C4DC43
monochromatic
#1A418B #2359BE #4378DC #779DE6 #AAC2EF

Accessibility & contrast

On white

4.23
#4378DC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.96
#4378DC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4378DC
4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4378DC#FFFFFF#000000##000000
##4378DC1.004.234.964.96
#FFFFFF4.231.0021.0021.00
#0000004.9621.001.001.00
##0000004.9621.001.001.00

Color blindness preview

Protanopia (red-blind)
#4583E0
Deuteranopia (green-blind)
#2674DA
Tritanopia (blue-blind)
#008F9F
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #4378dc;
/* rgb */ color: rgb(67, 120, 220);
/* oklch */ color: oklch(58.8% 0.163 261.7);
Tailwind
colors: {
  custom: {
    50: '#889ee7',
    500: '#4378dc',
    950: '#000000',
  },
}
SCSS
$custom: #4378dc;
$custom-light: #889ee7;
$custom-dark: #000000;
JSON
{
  "hex": "#4378dc",
  "rgb": {
    "r": 67,
    "g": 120,
    "b": 220
  },
  "hsl": {
    "h": 219.216,
    "s": 68.61,
    "l": 56.275
  },
  "oklch": {
    "l": 0.58778,
    "c": 0.16307,
    "h": 261.7
  },
  "luminance": 0.19794
}

Semantic roles & 50–950 ramp

primary
#4378DC
secondary
#DDC79E
accent
#AF3CEB
background
#F9F9FE
surface
#F1F2FC
border
#CBCCD5
text
#0D0E16
muted
#7E7E84

Preview Lab

Preview with #4378DC

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

Preview Lab → · Contrast checker → · Palette generator →

#4378DC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva