#3644BA#3644BA

#3644BA is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.3% C 0.184 H 271.6°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX#3644BA
RGBrgb(54, 68, 186)
HSLhsl(234, 55%, 47%)
HSVhsv(234, 71%, 73%)
CMYKcmyk(71%, 63.4%, 0%, 27.1%)
CIE-LABlab(34.93, 34.40, -63.79)
CIE-LCHlch(34.93, 72.48, 298.34°)
OKLaboklab(45.28% 0.005 -0.1842)
OKLCHoklch(45.28% 0.184 271.6)
XYZxyz(12.4484, 8.4624, 47.4222)
Luminance0.0846 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3644BA #BAAC36
analogous
#3686BA #3644BA #6A36BA
triadic
#3644BA #BA3644 #44BA36
tetradic
#3644BA #BA3686 #BAAC36 #36BA6A
square
#3644BA #BA3686 #BAAC36 #36BA6A
split-complementary
#3644BA #BA6A36 #86BA36
monochromatic
#1A215B #28338B #3644BA #5D69D0 #8D95DE

Accessibility & contrast

On white

7.80
#3644BA on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.69
#3644BA on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3644BA
7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3644BA#FFFFFF#000000##FFFFFF
##3644BA1.007.802.697.80
#FFFFFF7.801.0021.001.00
#0000002.6921.001.0021.00
##FFFFFF7.801.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0058BE
Deuteranopia (green-blind)
#004CB8
Tritanopia (blue-blind)
#006278
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #3644ba;
/* rgb */ color: rgb(54, 68, 186);
/* oklch */ color: oklch(45.3% 0.184 271.6);
Tailwind
colors: {
  custom: {
    50: '#7f78d0',
    500: '#3644ba',
    950: '#000000',
  },
}
SCSS
$custom: #3644ba;
$custom-light: #7f78d0;
$custom-dark: #000000;
JSON
{
  "hex": "#3644ba",
  "rgb": {
    "r": 54,
    "g": 68,
    "b": 186
  },
  "hsl": {
    "h": 233.636,
    "s": 55,
    "l": 47.059
  },
  "oklch": {
    "l": 0.45277,
    "c": 0.1843,
    "h": 271.6
  },
  "luminance": 0.08464
}

Semantic roles & 50–950 ramp

primary
#3644BA
secondary
#C8C184
accent
#CF49DE
background
#F8F7FC
surface
#F0EDF9
border
#CBC8D2
text
#0B0914
muted
#7C7B82

Preview Lab

Preview with #3644BA

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

Preview Lab → · Contrast checker → · Palette generator →

#3644BA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva