#3645BC#3645BC

#3645BC is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.6% C 0.186 H 271.3°. Best body text is #FFFFFF at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#3645BC
RGB	rgb(54, 69, 188)
HSL	hsl(233, 55%, 47%)
HSV	hsv(233, 71%, 74%)
CMYK	cmyk(71.3%, 63.3%, 0%, 26.3%)
CIE-LAB	lab(35.34, 34.48, -64.30)
CIE-LCH	lch(35.34, 72.96, 298.20°)
OKLab	oklab(45.63% 0.0042 -0.1857)
OKLCH	oklch(45.63% 0.186 271.3)
XYZ	xyz(12.7235, 8.6701, 48.5702)
Luminance	0.0867 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3645BC #BCAD36

analogous

#3688BC #3645BC #6A36BC

triadic

#3645BC #BC3645 #45BC36

tetradic

#3645BC #BC3688 #BCAD36 #36BC6A

square

#3645BC #BC3688 #BCAD36 #36BC6A

split-complementary

#3645BC #BC6A36 #88BC36

monochromatic

#1B225D #28348C #3645BC #5E6BD1 #8E97DF

Accessibility & contrast

On white

7.68

#3645BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#3645BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3645BC

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3645BC	#FFFFFF	#000000	##FFFFFF
##3645BC	1.00	7.68	2.73	7.68
#FFFFFF	7.68	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C0

Deuteranopia (green-blind)

#004DBA

Tritanopia (blue-blind)

#00647A

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3645bc;
/* rgb */ color: rgb(54, 69, 188);
/* oklch */ color: oklch(45.6% 0.186 271.3);

Tailwind

colors: {
  custom: {
    50: '#7f78d1',
    500: '#3645bc',
    950: '#000000',
  },
}

SCSS

$custom: #3645bc;
$custom-light: #7f78d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3645bc",
  "rgb": {
    "r": 54,
    "g": 69,
    "b": 188
  },
  "hsl": {
    "h": 233.284,
    "s": 55.372,
    "l": 47.451
  },
  "oklch": {
    "l": 0.45633,
    "c": 0.18575,
    "h": 271.3
  },
  "luminance": 0.08671
}

Semantic roles & 50–950 ramp

primary

#3645BC

secondary

#C9C185

accent

#CE49DF

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3645BC

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

Preview Lab → · Contrast checker → · Palette generator →