#3647BD#3647BD

#3647BD is a mid, vivid blue. Relative luminance 0.090; OKLCH L 46.1% C 0.185 H 270.9°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#3647BD
RGB	rgb(54, 71, 189)
HSL	hsl(232, 56%, 48%)
HSV	hsv(232, 71%, 74%)
CMYK	cmyk(71.4%, 62.4%, 0%, 25.9%)
CIE-LAB	lab(35.91, 33.56, -63.95)
CIE-LCH	lch(35.91, 72.22, 297.69°)
OKLab	oklab(46.08% 0.0028 -0.1847)
OKLCH	oklch(46.08% 0.185 270.9)
XYZ	xyz(12.9567, 8.9636, 49.1816)
Luminance	0.0896 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.60

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3647BD #BDAC36

analogous

#368BBD #3647BD #6836BD

triadic

#3647BD #BD3647 #47BD36

tetradic

#3647BD #BD368B #BDAC36 #36BD68

square

#3647BD #BD368B #BDAC36 #36BD68

split-complementary

#3647BD #BD6836 #8BBD36

monochromatic

#1B235E #28358D #3647BD #5F6DD1 #8F99DF

Accessibility & contrast

On white

7.52

#3647BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#3647BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3647BD

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3647BD	#FFFFFF	#000000	##FFFFFF
##3647BD	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)

#005BC1

Deuteranopia (green-blind)

#004EBB

Tritanopia (blue-blind)

#00657B

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3647bd;
/* rgb */ color: rgb(54, 71, 189);
/* oklch */ color: oklch(46.1% 0.185 270.9);

Tailwind

colors: {
  custom: {
    50: '#7f7ad2',
    500: '#3647bd',
    950: '#000000',
  },
}

SCSS

$custom: #3647bd;
$custom-light: #7f7ad2;
$custom-dark: #000000;

JSON

{
  "hex": "#3647bd",
  "rgb": {
    "r": 54,
    "g": 71,
    "b": 189
  },
  "hsl": {
    "h": 232.444,
    "s": 55.556,
    "l": 47.647
  },
  "oklch": {
    "l": 0.46081,
    "c": 0.18468,
    "h": 270.9
  },
  "luminance": 0.08965
}

Semantic roles & 50–950 ramp

primary

#3647BD

secondary

#C9C185

accent

#CC49DF

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3647BD

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

Preview Lab → · Contrast checker → · Palette generator →