#3648BD#3648BD

#3648BD is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.3% C 0.183 H 270.6°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#3648BD
RGB	rgb(54, 72, 189)
HSL	hsl(232, 56%, 48%)
HSV	hsv(232, 71%, 74%)
CMYK	cmyk(71.4%, 61.9%, 0%, 25.9%)
CIE-LAB	lab(36.16, 32.92, -63.54)
CIE-LCH	lch(36.16, 71.57, 297.39°)
OKLab	oklab(46.26% 0.0021 -0.1835)
OKLCH	oklch(46.26% 0.183 270.6)
XYZ	xyz(13.0209, 9.0918, 49.2029)
Luminance	0.0909 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3648BD #BDAB36

analogous

#368BBD #3648BD #6736BD

triadic

#3648BD #BD3648 #48BD36

tetradic

#3648BD #BD368B #BDAB36 #36BD67

square

#3648BD #BD368B #BDAB36 #36BD67

split-complementary

#3648BD #BD6736 #8BBD36

monochromatic

#1B245E #28368D #3648BD #5F6ED1 #8F99DF

Accessibility & contrast

On white

7.45

#3648BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#3648BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3648BD

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3648BD	#FFFFFF	#000000	##FFFFFF
##3648BD	1.00	7.45	2.82	7.45
#FFFFFF	7.45	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC1

Deuteranopia (green-blind)

#004FBB

Tritanopia (blue-blind)

#00667B

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3648bd;
/* rgb */ color: rgb(54, 72, 189);
/* oklch */ color: oklch(46.3% 0.183 270.6);

Tailwind

colors: {
  custom: {
    50: '#7f7bd2',
    500: '#3648bd',
    950: '#000000',
  },
}

SCSS

$custom: #3648bd;
$custom-light: #7f7bd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3648bd",
  "rgb": {
    "r": 54,
    "g": 72,
    "b": 189
  },
  "hsl": {
    "h": 232,
    "s": 55.556,
    "l": 47.647
  },
  "oklch": {
    "l": 0.46263,
    "c": 0.18348,
    "h": 270.6
  },
  "luminance": 0.09093
}

Semantic roles & 50–950 ramp

primary

#3648BD

secondary

#C9C085

accent

#CB49DF

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3648BD

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

Preview Lab → · Contrast checker → · Palette generator →