#3F36BA#3F36BA

#3F36BA is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.6% C 0.198 H 277.3°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#3F36BA
RGB	rgb(63, 54, 186)
HSL	hsl(244, 55%, 47%)
HSV	hsv(244, 71%, 73%)
CMYK	cmyk(66.1%, 71%, 0%, 27.1%)
CIE-LAB	lab(32.35, 44.03, -68.01)
CIE-LCH	lch(32.35, 81.02, 302.92°)
OKLab	oklab(43.56% 0.0252 -0.1964)
OKLCH	oklch(43.56% 0.198 277.3)
XYZ	xyz(12.2291, 7.2392, 47.1977)
Luminance	0.0724 (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

#3F36BA #B1BA36

analogous

#366FBA #3F36BA #8136BA

triadic

#3F36BA #BA3F36 #36BA3F

tetradic

#3F36BA #BA366F #B1BA36 #36BA81

square

#3F36BA #BA366F #B1BA36 #36BA81

split-complementary

#3F36BA #BA8136 #6FBA36

monochromatic

#1F1A5B #2F288B #3F36BA #655DD0 #928DDE

Accessibility & contrast

On white

8.58

#3F36BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#3F36BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F36BA

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F36BA	#FFFFFF	#000000	##FFFFFF
##3F36BA	1.00	8.58	2.45	8.58
#FFFFFF	8.58	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052BE

Deuteranopia (green-blind)

#0046B8

Tritanopia (blue-blind)

#005A74

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3f36ba;
/* rgb */ color: rgb(63, 54, 186);
/* oklch */ color: oklch(43.6% 0.198 277.3);

Tailwind

colors: {
  custom: {
    50: '#846fd0',
    500: '#3f36ba',
    950: '#000000',
  },
}

SCSS

$custom: #3f36ba;
$custom-light: #846fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f36ba",
  "rgb": {
    "r": 63,
    "g": 54,
    "b": 186
  },
  "hsl": {
    "h": 244.091,
    "s": 55,
    "l": 47.059
  },
  "oklch": {
    "l": 0.43556,
    "c": 0.19798,
    "h": 277.3
  },
  "luminance": 0.0724
}

Semantic roles & 50–950 ramp

primary

#3F36BA

secondary

#C4C884

accent

#DE49D4

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3F36BA

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

Preview Lab → · Contrast checker → · Palette generator →