#3648BC#3648BC

#3648BC is a mid, vivid blue. Relative luminance 0.090; OKLCH L 46.2% C 0.182 H 270.7°. Best body text is #FFFFFF at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#3648BC
RGB	rgb(54, 72, 188)
HSL	hsl(232, 55%, 47%)
HSV	hsv(232, 71%, 74%)
CMYK	cmyk(71.3%, 61.7%, 0%, 26.3%)
CIE-LAB	lab(36.08, 32.57, -63.09)
CIE-LCH	lch(36.08, 71.00, 297.30°)
OKLab	oklab(46.18% 0.0021 -0.1821)
OKLCH	oklch(46.18% 0.182 270.7)
XYZ	xyz(12.9127, 9.0485, 48.6332)
Luminance	0.0905 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3648BC #BCAA36

analogous

#368BBC #3648BC #6736BC

triadic

#3648BC #BC3648 #48BC36

tetradic

#3648BC #BC368B #BCAA36 #36BC67

square

#3648BC #BC368B #BCAA36 #36BC67

split-complementary

#3648BC #BC6736 #8BBC36

monochromatic

#1B245D #28368C #3648BC #5E6ED1 #8E99DF

Accessibility & contrast

On white

7.47

#3648BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#3648BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3648BC

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3648BC	#FFFFFF	#000000	##FFFFFF
##3648BC	1.00	7.47	2.81	7.47
#FFFFFF	7.47	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC0

Deuteranopia (green-blind)

#004FBA

Tritanopia (blue-blind)

#00667B

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3648bc;
/* rgb */ color: rgb(54, 72, 188);
/* oklch */ color: oklch(46.2% 0.182 270.7);

Tailwind

colors: {
  custom: {
    50: '#7f7bd1',
    500: '#3648bc',
    950: '#000000',
  },
}

SCSS

$custom: #3648bc;
$custom-light: #7f7bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3648bc",
  "rgb": {
    "r": 54,
    "g": 72,
    "b": 188
  },
  "hsl": {
    "h": 231.94,
    "s": 55.372,
    "l": 47.451
  },
  "oklch": {
    "l": 0.46176,
    "c": 0.18215,
    "h": 270.7
  },
  "luminance": 0.0905
}

Semantic roles & 50–950 ramp

primary

#3648BC

secondary

#C9C085

accent

#CB49DF

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0B0914

muted

#7C7B83

Preview Lab

Preview with #3648BC

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

Preview Lab → · Contrast checker → · Palette generator →