#3664D3#3664D3

#3664D3 is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.5% C 0.179 H 264.2°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX#3664D3
RGBrgb(54, 100, 211)
HSLhsl(222, 64%, 52%)
HSVhsv(222, 74%, 83%)
CMYKcmyk(74.4%, 52.6%, 0%, 17.3%)
CIE-LABlab(45.08, 22.96, -61.78)
CIE-LCHlch(45.08, 65.91, 290.38°)
OKLaboklab(53.47% -0.018 -0.1779)
OKLCHoklch(53.47% 0.179 264.2)
XYZxyz(17.8322, 14.5998, 63.4936)
Luminance0.1460 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3664D3 #D3A536
analogous
#36B3D3 #3664D3 #5636D3
triadic
#3664D3 #D33664 #64D336
tetradic
#3664D3 #D336B3 #D3A536 #36D356
square
#3664D3 #D336B3 #D3A536 #36D356
split-complementary
#3664D3 #D35636 #B3D336
monochromatic
#1A3475 #254BA7 #3664D3 #688BDE #9AB1E9

Accessibility & contrast

On white

5.36
#3664D3 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.92
#3664D3 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3664D3
5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3664D3#FFFFFF#000000##FFFFFF
##3664D31.005.363.925.36
#FFFFFF5.361.0021.001.00
#0000003.9221.001.0021.00
##FFFFFF5.361.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1372D7
Deuteranopia (green-blind)
#0064D1
Tritanopia (blue-blind)
#007F92
Achromatopsia (no color)
#6B6B6B

Design tokens & code

CSS
--color: #3664d3;
/* rgb */ color: rgb(54, 100, 211);
/* oklch */ color: oklch(53.5% 0.179 264.2);
Tailwind
colors: {
  custom: {
    50: '#828fe1',
    500: '#3664d3',
    950: '#000000',
  },
}
SCSS
$custom: #3664d3;
$custom-light: #828fe1;
$custom-dark: #000000;
JSON
{
  "hex": "#3664d3",
  "rgb": {
    "r": 54,
    "g": 100,
    "b": 211
  },
  "hsl": {
    "h": 222.42,
    "s": 64.082,
    "l": 51.961
  },
  "oklch": {
    "l": 0.5347,
    "c": 0.17879,
    "h": 264.2
  },
  "luminance": 0.14602
}

Semantic roles & 50–950 ramp

primary
#3664D3
secondary
#D5C190
accent
#B641E7
background
#F8F8FD
surface
#F0F0FB
border
#CBCBD4
text
#0C0C15
muted
#7D7D83

Preview Lab

Preview with #3664D3

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

Preview Lab → · Contrast checker → · Palette generator →

#3664D3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva