#3643C5#3643C5

#3643C5 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 46.1% C 0.200 H 271.4°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#3643C5
RGB	rgb(54, 67, 197)
HSL	hsl(235, 57%, 49%)
HSV	hsv(235, 73%, 77%)
CMYK	cmyk(72.6%, 66%, 0%, 22.7%)
CIE-LAB	lab(35.65, 38.90, -69.06)
CIE-LCH	lch(35.65, 79.26, 299.39°)
OKLab	oklab(46.1% 0.005 -0.1997)
OKLCH	oklch(46.1% 0.2 271.4)
XYZ	xyz(13.6031, 8.8284, 53.7996)
Luminance	0.0883 (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

#3643C5 #C5B836

analogous

#368BC5 #3643C5 #7036C5

triadic

#3643C5 #C53643 #43C536

tetradic

#3643C5 #C5368B #C5B836 #36C570

square

#3643C5 #C5368B #C5B836 #36C570

split-complementary

#3643C5 #C57036 #8BC536

monochromatic

#1C2265 #293395 #3643C5 #646ED4 #949BE2

Accessibility & contrast

On white

7.59

#3643C5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#3643C5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3643C5

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3643C5	#FFFFFF	#000000	##FFFFFF
##3643C5	1.00	7.59	2.77	7.59
#FFFFFF	7.59	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC9

Deuteranopia (green-blind)

#004DC3

Tritanopia (blue-blind)

#00667E

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3643c5;
/* rgb */ color: rgb(54, 67, 197);
/* oklch */ color: oklch(46.1% 0.200 271.4);

Tailwind

colors: {
  custom: {
    50: '#8177d8',
    500: '#3643c5',
    950: '#000000',
  },
}

SCSS

$custom: #3643c5;
$custom-light: #8177d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3643c5",
  "rgb": {
    "r": 54,
    "g": 67,
    "b": 197
  },
  "hsl": {
    "h": 234.545,
    "s": 56.972,
    "l": 49.216
  },
  "oklch": {
    "l": 0.46102,
    "c": 0.19972,
    "h": 271.4
  },
  "luminance": 0.0883
}

Semantic roles & 50–950 ramp

primary

#3643C5

secondary

#CDC78A

accent

#D248E0

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #3643C5

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

Preview Lab → · Contrast checker → · Palette generator →