#3947C0#3947C0

#3947C0 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.5% C 0.188 H 271.8°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX#3947C0
RGBrgb(57, 71, 192)
HSLhsl(234, 54%, 49%)
HSVhsv(234, 70%, 75%)
CMYKcmyk(70.3%, 63%, 0%, 24.7%)
CIE-LABlab(36.33, 35.01, -65.02)
CIE-LCHlch(36.33, 73.84, 298.30°)
OKLaboklab(46.51% 0.0058 -0.1877)
OKLCHoklch(46.51% 0.188 271.8)
XYZxyz(13.4518, 9.1808, 50.9221)
Luminance0.0918 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3947C0 #C0B239
analogous
#398BC0 #3947C0 #6F39C0
triadic
#3947C0 #C03947 #47C039
tetradic
#3947C0 #C0398B #C0B239 #39C06F
square
#3947C0 #C0398B #C0B239 #39C06F
split-complementary
#3947C0 #C06F39 #8BC039
monochromatic
#1D2462 #2B3691 #3947C0 #6570D1 #949CDF

Accessibility & contrast

On white

7.40
#3947C0 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.84
#3947C0 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3947C0
7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3947C0#FFFFFF#000000##FFFFFF
##3947C01.007.402.847.40
#FFFFFF7.401.0021.001.00
#0000002.8421.001.0021.00
##FFFFFF7.401.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005CC4
Deuteranopia (green-blind)
#004FBE
Tritanopia (blue-blind)
#00667D
Achromatopsia (no color)
#555555

Design tokens & code

CSS
--color: #3947c0;
/* rgb */ color: rgb(57, 71, 192);
/* oklch */ color: oklch(46.5% 0.188 271.8);
Tailwind
colors: {
  custom: {
    50: '#817ad4',
    500: '#3947c0',
    950: '#000000',
  },
}
SCSS
$custom: #3947c0;
$custom-light: #817ad4;
$custom-dark: #000000;
JSON
{
  "hex": "#3947c0",
  "rgb": {
    "r": 57,
    "g": 71,
    "b": 192
  },
  "hsl": {
    "h": 233.778,
    "s": 54.217,
    "l": 48.824
  },
  "oklch": {
    "l": 0.46509,
    "c": 0.18782,
    "h": 271.8
  },
  "luminance": 0.09182
}

Semantic roles & 50–950 ramp

primary
#3947C0
secondary
#CBC48A
accent
#CE4ADE
background
#F8F7FD
surface
#F0EDFA
border
#CBC8D3
text
#0C0914
muted
#7D7B83

Preview Lab

Preview with #3947C0

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

Preview Lab → · Contrast checker → · Palette generator →

#3947C0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva