#3647C4#3647C4

#3647C4 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.7% C 0.194 H 270.7°. Best body text is #FFFFFF at 7.36:1 contrast (WCAG AA passes).

Color values

HEX#3647C4
RGBrgb(54, 71, 196)
HSLhsl(233, 57%, 49%)
HSVhsv(233, 72%, 77%)
CMYKcmyk(72.4%, 63.8%, 0%, 23.1%)
CIE-LABlab(36.51, 36.05, -67.07)
CIE-LCHlch(36.51, 76.15, 298.26°)
OKLaboklab(46.7% 0.0025 -0.1938)
OKLCHoklch(46.7% 0.194 270.7)
XYZxyz(13.7350, 9.2749, 53.2802)
Luminance0.0928 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3647C4 #C4B336
analogous
#368EC4 #3647C4 #6C36C4
triadic
#3647C4 #C43647 #47C436
tetradic
#3647C4 #C4368E #C4B336 #36C46C
square
#3647C4 #C4368E #C4B336 #36C46C
split-complementary
#3647C4 #C46C36 #8EC436
monochromatic
#1C2464 #293694 #3647C4 #6371D4 #939CE1

Accessibility & contrast

On white

7.36
#3647C4 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.86
#3647C4 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3647C4
7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3647C4#FFFFFF#000000##FFFFFF
##3647C41.007.362.867.36
#FFFFFF7.361.0021.001.00
#0000002.8621.001.0021.00
##FFFFFF7.361.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005DC8
Deuteranopia (green-blind)
#004FC2
Tritanopia (blue-blind)
#00687F
Achromatopsia (no color)
#565656

Design tokens & code

CSS
--color: #3647c4;
/* rgb */ color: rgb(54, 71, 196);
/* oklch */ color: oklch(46.7% 0.194 270.7);
Tailwind
colors: {
  custom: {
    50: '#817ad7',
    500: '#3647c4',
    950: '#000000',
  },
}
SCSS
$custom: #3647c4;
$custom-light: #817ad7;
$custom-dark: #000000;
JSON
{
  "hex": "#3647c4",
  "rgb": {
    "r": 54,
    "g": 71,
    "b": 196
  },
  "hsl": {
    "h": 232.817,
    "s": 56.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.46702,
    "c": 0.19384,
    "h": 270.7
  },
  "luminance": 0.09276
}

Semantic roles & 50–950 ramp

primary
#3647C4
secondary
#CCC489
accent
#CE48E0
background
#F8F7FD
surface
#F0EDFA
border
#CBC8D3
text
#0C0914
muted
#7D7B83

Preview Lab

Preview with #3647C4

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

Preview Lab → · Contrast checker → · Palette generator →

#3647C4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva