#3648BA#3648BA

#3648BA is a mid, vivid blue. Relative luminance 0.090; OKLCH L 46.0% C 0.179 H 270.7°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#3648BA
RGB	rgb(54, 72, 186)
HSL	hsl(232, 55%, 47%)
HSV	hsv(232, 71%, 73%)
CMYK	cmyk(71%, 61.3%, 0%, 27.1%)
CIE-LAB	lab(35.91, 31.85, -62.19)
CIE-LCH	lch(35.91, 69.87, 297.12°)
OKLab	oklab(46% 0.0021 -0.1795)
OKLCH	oklch(46% 0.179 270.7)
XYZ	xyz(12.6986, 8.9629, 47.5056)
Luminance	0.0896 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3648BA #BAA836

analogous

#368ABA #3648BA #6636BA

triadic

#3648BA #BA3648 #48BA36

tetradic

#3648BA #BA368A #BAA836 #36BA66

square

#3648BA #BA368A #BAA836 #36BA66

split-complementary

#3648BA #BA6636 #8ABA36

monochromatic

#1A235B #28368B #3648BA #5D6DD0 #8D98DE

Accessibility & contrast

On white

7.52

#3648BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#3648BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3648BA

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3648BA	#FFFFFF	#000000	##FFFFFF
##3648BA	1.00	7.52	2.79	7.52
#FFFFFF	7.52	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BBE

Deuteranopia (green-blind)

#004FB8

Tritanopia (blue-blind)

#00657A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3648ba;
/* rgb */ color: rgb(54, 72, 186);
/* oklch */ color: oklch(46.0% 0.179 270.7);

Tailwind

colors: {
  custom: {
    50: '#7f7bd0',
    500: '#3648ba',
    950: '#000000',
  },
}

SCSS

$custom: #3648ba;
$custom-light: #7f7bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3648ba",
  "rgb": {
    "r": 54,
    "g": 72,
    "b": 186
  },
  "hsl": {
    "h": 231.818,
    "s": 55,
    "l": 47.059
  },
  "oklch": {
    "l": 0.46003,
    "c": 0.17949,
    "h": 270.7
  },
  "luminance": 0.08964
}

Semantic roles & 50–950 ramp

primary

#3648BA

secondary

#C8BF84

accent

#CA49DE

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3648BA

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

Preview Lab → · Contrast checker → · Palette generator →