#3647BE#3647BE

#3647BE is a mid, vivid blue. Relative luminance 0.090; OKLCH L 46.2% C 0.186 H 270.8°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#3647BE
RGB	rgb(54, 71, 190)
HSL	hsl(233, 56%, 48%)
HSV	hsv(233, 72%, 75%)
CMYK	cmyk(71.6%, 62.6%, 0%, 25.5%)
CIE-LAB	lab(36.00, 33.92, -64.40)
CIE-LCH	lch(36.00, 72.78, 297.78°)
OKLab	oklab(46.17% 0.0027 -0.186)
OKLCH	oklch(46.17% 0.186 270.8)
XYZ	xyz(13.0657, 9.0071, 49.7552)
Luminance	0.0901 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.53

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3647BE #BEAD36

analogous

#368BBE #3647BE #6936BE

triadic

#3647BE #BE3647 #47BE36

tetradic

#3647BE #BE368B #BEAD36 #36BE69

square

#3647BE #BE368B #BEAD36 #36BE69

split-complementary

#3647BE #BE6936 #8BBE36

monochromatic

#1B235F #28358E #3647BE #606ED2 #8F99DF

Accessibility & contrast

On white

7.50

#3647BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#3647BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3647BE

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3647BE	#FFFFFF	#000000	##FFFFFF
##3647BE	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC2

Deuteranopia (green-blind)

#004EBC

Tritanopia (blue-blind)

#00667C

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3647be;
/* rgb */ color: rgb(54, 71, 190);
/* oklch */ color: oklch(46.2% 0.186 270.8);

Tailwind

colors: {
  custom: {
    50: '#807ad3',
    500: '#3647be',
    950: '#000000',
  },
}

SCSS

$custom: #3647be;
$custom-light: #807ad3;
$custom-dark: #000000;

JSON

{
  "hex": "#3647be",
  "rgb": {
    "r": 54,
    "g": 71,
    "b": 190
  },
  "hsl": {
    "h": 232.5,
    "s": 55.738,
    "l": 47.843
  },
  "oklch": {
    "l": 0.46169,
    "c": 0.18599,
    "h": 270.8
  },
  "luminance": 0.09008
}

Semantic roles & 50–950 ramp

primary

#3647BE

secondary

#CAC186

accent

#CC49DF

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3647BE

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

Preview Lab → · Contrast checker → · Palette generator →