#3648AE#3648AE

#3648AE is a dark, vivid blue. Relative luminance 0.085; OKLCH L 45.0% C 0.163 H 270.8°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX#3648AE
RGBrgb(54, 72, 174)
HSLhsl(231, 53%, 45%)
HSVhsv(231, 69%, 68%)
CMYKcmyk(69%, 58.6%, 0%, 31.8%)
CIE-LABlab(34.95, 27.51, -56.66)
CIE-LCHlch(34.95, 62.98, 295.90°)
OKLaboklab(44.99% 0.0022 -0.1632)
OKLCHoklch(44.99% 0.163 270.8)
XYZxyz(11.4761, 8.4739, 41.0670)
Luminance0.0848 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3648AE #AE9C36
analogous
#3684AE #3648AE #6036AE
triadic
#3648AE #AE3648 #48AE36
tetradic
#3648AE #AE3684 #AE9C36 #36AE60
square
#3648AE #AE3684 #AE9C36 #36AE60
split-complementary
#3648AE #AE6036 #84AE36
monochromatic
#192151 #28357F #3648AE #5668CB #8592D9

Accessibility & contrast

On white

7.79
#3648AE on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.70
#3648AE on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3648AE
7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3648AE#FFFFFF#000000##FFFFFF
##3648AE1.007.792.707.79
#FFFFFF7.791.0021.001.00
#0000002.7021.001.0021.00
##FFFFFF7.791.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0058B1
Deuteranopia (green-blind)
#004DAC
Tritanopia (blue-blind)
#006174
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #3648ae;
/* rgb */ color: rgb(54, 72, 174);
/* oklch */ color: oklch(45.0% 0.163 270.8);
Tailwind
colors: {
  custom: {
    50: '#7c7ac7',
    500: '#3648ae',
    950: '#000000',
  },
}
SCSS
$custom: #3648ae;
$custom-light: #7c7ac7;
$custom-dark: #000000;
JSON
{
  "hex": "#3648ae",
  "rgb": {
    "r": 54,
    "g": 72,
    "b": 174
  },
  "hsl": {
    "h": 231,
    "s": 52.632,
    "l": 44.706
  },
  "oklch": {
    "l": 0.44988,
    "c": 0.16325,
    "h": 270.8
  },
  "luminance": 0.08475
}

Semantic roles & 50–950 ramp

primary
#3648AE
secondary
#C3B87D
accent
#C64CDC
background
#F8F7FC
surface
#EFEDF8
border
#CAC8D1
text
#0B0913
muted
#7C7B82

Preview Lab

Preview with #3648AE

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

Preview Lab → · Contrast checker → · Palette generator →

#3648AE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva