#3639D7#3639D7

#3639D7 is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 46.3% C 0.232 H 272.0°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#3639D7
RGB	rgb(54, 57, 215)
HSL	hsl(239, 67%, 53%)
HSV	hsv(239, 75%, 84%)
CMYK	cmyk(74.9%, 73.5%, 0%, 15.7%)
CIE-LAB	lab(35.23, 50.84, -80.19)
CIE-LCH	lch(35.23, 94.95, 302.38°)
OKLab	oklab(46.32% 0.0079 -0.2321)
OKLCH	oklch(46.32% 0.232 272)
XYZ	xyz(15.2461, 8.6152, 65.1362)
Luminance	0.0862 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.46

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3639D7 #D7D436

analogous

#3689D7 #3639D7 #8336D7

triadic

#3639D7 #D73639 #39D736

tetradic

#3639D7 #D73689 #D7D436 #36D783

square

#3639D7 #D73689 #D7D436 #36D783

split-complementary

#3639D7 #D78336 #89D736

monochromatic

#181A7A #2225AD #3639D7 #696BE1 #9C9EEB

Accessibility & contrast

On white

7.71

#3639D7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#3639D7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3639D7

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3639D7	#FFFFFF	#000000	##FFFFFF
##3639D7	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BDC

Deuteranopia (green-blind)

#004BD4

Tritanopia (blue-blind)

#006785

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3639d7;
/* rgb */ color: rgb(54, 57, 215);
/* oklch */ color: oklch(46.3% 0.232 272.0);

Tailwind

colors: {
  custom: {
    50: '#8671e5',
    500: '#3639d7',
    950: '#000000',
  },
}

SCSS

$custom: #3639d7;
$custom-light: #8671e5;
$custom-dark: #000000;

JSON

{
  "hex": "#3639d7",
  "rgb": {
    "r": 54,
    "g": 57,
    "b": 215
  },
  "hsl": {
    "h": 238.882,
    "s": 66.805,
    "l": 52.745
  },
  "oklch": {
    "l": 0.46319,
    "c": 0.23224,
    "h": 272
  },
  "luminance": 0.08617
}

Semantic roles & 50–950 ramp

primary

#3639D7

secondary

#D7D692

accent

#E73EEA

background

#F9F6FE

surface

#F1ECFC

border

#CBC7D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #3639D7

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

Preview Lab → · Contrast checker → · Palette generator →