#3645BE#3645BE

#3645BE is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.8% C 0.188 H 271.3°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#3645BE
RGB	rgb(54, 69, 190)
HSL	hsl(233, 56%, 48%)
HSV	hsv(233, 72%, 75%)
CMYK	cmyk(71.6%, 63.7%, 0%, 25.5%)
CIE-LAB	lab(35.51, 35.19, -65.19)
CIE-LCH	lch(35.51, 74.08, 298.36°)
OKLab	oklab(45.81% 0.0041 -0.1883)
OKLCH	oklch(45.81% 0.188 271.3)
XYZ	xyz(12.9406, 8.7569, 49.7135)
Luminance	0.0876 (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

#3645BE #BEAF36

analogous

#3689BE #3645BE #6B36BE

triadic

#3645BE #BE3645 #45BE36

tetradic

#3645BE #BE3689 #BEAF36 #36BE6B

square

#3645BE #BE3689 #BEAF36 #36BE6B

split-complementary

#3645BE #BE6B36 #89BE36

monochromatic

#1B225F #28348E #3645BE #606CD2 #8F98DF

Accessibility & contrast

On white

7.63

#3645BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#3645BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3645BE

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3645BE	#FFFFFF	#000000	##FFFFFF
##3645BE	1.00	7.63	2.75	7.63
#FFFFFF	7.63	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC2

Deuteranopia (green-blind)

#004DBC

Tritanopia (blue-blind)

#00647B

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3645be;
/* rgb */ color: rgb(54, 69, 190);
/* oklch */ color: oklch(45.8% 0.188 271.3);

Tailwind

colors: {
  custom: {
    50: '#8078d3',
    500: '#3645be',
    950: '#000000',
  },
}

SCSS

$custom: #3645be;
$custom-light: #8078d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3645be",
  "rgb": {
    "r": 54,
    "g": 69,
    "b": 190
  },
  "hsl": {
    "h": 233.382,
    "s": 55.738,
    "l": 47.843
  },
  "oklch": {
    "l": 0.45811,
    "c": 0.18837,
    "h": 271.3
  },
  "luminance": 0.08758
}

Semantic roles & 50–950 ramp

primary

#3645BE

secondary

#CAC286

accent

#CE49DF

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3645BE

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

Preview Lab → · Contrast checker → · Palette generator →