#3F36C8#3F36C8

#3F36C8 is a dark, highly saturated blue. Relative luminance 0.079; OKLCH L 44.9% C 0.215 H 276.1°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#3F36C8
RGB	rgb(63, 54, 200)
HSL	hsl(244, 57%, 50%)
HSV	hsv(244, 73%, 78%)
CMYK	cmyk(68.5%, 73%, 0%, 21.6%)
CIE-LAB	lab(33.70, 48.52, -74.00)
CIE-LCH	lch(33.70, 88.49, 303.25°)
OKLab	oklab(44.93% 0.0227 -0.2139)
OKLCH	oklch(44.93% 0.215 276.1)
XYZ	xyz(13.7910, 7.8640, 55.4235)
Luminance	0.0786 (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

#3F36C8 #BFC836

analogous

#3676C8 #3F36C8 #8836C8

triadic

#3F36C8 #C83F36 #36C83F

tetradic

#3F36C8 #C83676 #BFC836 #36C888

square

#3F36C8 #C83676 #BFC836 #36C888

split-complementary

#3F36C8 #C88836 #76C836

monochromatic

#211C68 #302998 #3F36C8 #6D66D6 #9B96E3

Accessibility & contrast

On white

8.16

#3F36C8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#3F36C8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F36C8

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F36C8	#FFFFFF	#000000	##FFFFFF
##3F36C8	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056CC

Deuteranopia (green-blind)

#0049C5

Tritanopia (blue-blind)

#005F7C

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3f36c8;
/* rgb */ color: rgb(63, 54, 200);
/* oklch */ color: oklch(44.9% 0.215 276.1);

Tailwind

colors: {
  custom: {
    50: '#876fda',
    500: '#3f36c8',
    950: '#000000',
  },
}

SCSS

$custom: #3f36c8;
$custom-light: #876fda;
$custom-dark: #000000;

JSON

{
  "hex": "#3f36c8",
  "rgb": {
    "r": 63,
    "g": 54,
    "b": 200
  },
  "hsl": {
    "h": 243.699,
    "s": 57.48,
    "l": 49.804
  },
  "oklch": {
    "l": 0.44927,
    "c": 0.21507,
    "h": 276.1
  },
  "luminance": 0.07865
}

Semantic roles & 50–950 ramp

primary

#3F36C8

secondary

#CACE8C

accent

#E147D7

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3F36C8

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

Preview Lab → · Contrast checker → · Palette generator →