#3F36D3#3F36D3

#3F36D3 is a mid, highly saturated blue. Relative luminance 0.084; OKLCH L 46.0% C 0.228 H 275.2°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#3F36D3
RGB	rgb(63, 54, 211)
HSL	hsl(243, 64%, 52%)
HSV	hsv(243, 74%, 83%)
CMYK	cmyk(70.1%, 74.4%, 0%, 17.3%)
CIE-LAB	lab(34.80, 51.99, -78.58)
CIE-LCH	lch(34.80, 94.22, 303.49°)
OKLab	oklab(46.03% 0.0205 -0.2272)
OKLCH	oklch(46.03% 0.228 275.2)
XYZ	xyz(15.1231, 8.3968, 62.4391)
Luminance	0.0840 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.64

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F36D3 #CAD336

analogous

#367CD3 #3F36D3 #8D36D3

triadic

#3F36D3 #D33F36 #36D33F

tetradic

#3F36D3 #D3367C #CAD336 #36D38D

square

#3F36D3 #D3367C #CAD336 #36D38D

split-complementary

#3F36D3 #D38D36 #7CD336

monochromatic

#1F1A75 #2C25A7 #3F36D3 #6F68DE #9F9AE9

Accessibility & contrast

On white

7.84

#3F36D3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#3F36D3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F36D3

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F36D3	#FFFFFF	#000000	##FFFFFF
##3F36D3	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059D8

Deuteranopia (green-blind)

#004BD0

Tritanopia (blue-blind)

#006482

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3f36d3;
/* rgb */ color: rgb(63, 54, 211);
/* oklch */ color: oklch(46.0% 0.228 275.2);

Tailwind

colors: {
  custom: {
    50: '#8970e2',
    500: '#3f36d3',
    950: '#000000',
  },
}

SCSS

$custom: #3f36d3;
$custom-light: #8970e2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f36d3",
  "rgb": {
    "r": 63,
    "g": 54,
    "b": 211
  },
  "hsl": {
    "h": 243.439,
    "s": 64.082,
    "l": 51.961
  },
  "oklch": {
    "l": 0.46033,
    "c": 0.22815,
    "h": 275.2
  },
  "luminance": 0.08398
}

Semantic roles & 50–950 ramp

primary

#3F36D3

secondary

#D1D590

accent

#E741DE

background

#F9F6FE

surface

#F2ECFC

border

#CCC7D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #3F36D3

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

Preview Lab → · Contrast checker → · Palette generator →