#3F36BE#3F36BE

#3F36BE is a dark, highly saturated blue. Relative luminance 0.074; OKLCH L 43.9% C 0.203 H 276.9°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#3F36BE
RGB	rgb(63, 54, 190)
HSL	hsl(244, 56%, 48%)
HSV	hsv(244, 72%, 75%)
CMYK	cmyk(66.8%, 71.6%, 0%, 25.5%)
CIE-LAB	lab(32.73, 45.32, -69.74)
CIE-LCH	lch(32.73, 83.17, 303.02°)
OKLab	oklab(43.94% 0.0245 -0.2014)
OKLCH	oklch(43.94% 0.203 276.9)
XYZ	xyz(12.6603, 7.4117, 49.4686)
Luminance	0.0741 (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

#3F36BE #B5BE36

analogous

#3671BE #3F36BE #8336BE

triadic

#3F36BE #BE3F36 #36BE3F

tetradic

#3F36BE #BE3671 #B5BE36 #36BE83

square

#3F36BE #BE3671 #B5BE36 #36BE83

split-complementary

#3F36BE #BE8336 #71BE36

monochromatic

#1F1B5F #2F288E #3F36BE #6760D2 #948FDF

Accessibility & contrast

On white

8.46

#3F36BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#3F36BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F36BE

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F36BE	#FFFFFF	#000000	##FFFFFF
##3F36BE	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C2

Deuteranopia (green-blind)

#0047BB

Tritanopia (blue-blind)

#005C76

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3f36be;
/* rgb */ color: rgb(63, 54, 190);
/* oklch */ color: oklch(43.9% 0.203 276.9);

Tailwind

colors: {
  custom: {
    50: '#856fd3',
    500: '#3f36be',
    950: '#000000',
  },
}

SCSS

$custom: #3f36be;
$custom-light: #856fd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f36be",
  "rgb": {
    "r": 63,
    "g": 54,
    "b": 190
  },
  "hsl": {
    "h": 243.971,
    "s": 55.738,
    "l": 47.843
  },
  "oklch": {
    "l": 0.43943,
    "c": 0.20292,
    "h": 276.9
  },
  "luminance": 0.07413
}

Semantic roles & 50–950 ramp

primary

#3F36BE

secondary

#C5CA86

accent

#DF49D5

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3F36BE

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

Preview Lab → · Contrast checker → · Palette generator →