#3F36C4#3F36C4

#3F36C4 is a dark, highly saturated blue. Relative luminance 0.077; OKLCH L 44.5% C 0.210 H 276.4°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#3F36C4
RGB	rgb(63, 54, 196)
HSL	hsl(244, 57%, 49%)
HSV	hsv(244, 72%, 77%)
CMYK	cmyk(67.9%, 72.4%, 0%, 23.1%)
CIE-LAB	lab(33.31, 47.25, -72.31)
CIE-LCH	lch(33.31, 86.38, 303.16°)
OKLab	oklab(44.53% 0.0234 -0.2089)
OKLCH	oklch(44.53% 0.21 276.4)
XYZ	xyz(13.3296, 7.6794, 52.9937)
Luminance	0.0768 (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

#3F36C4 #BBC436

analogous

#3674C4 #3F36C4 #8636C4

triadic

#3F36C4 #C43F36 #36C43F

tetradic

#3F36C4 #C43674 #BBC436 #36C486

square

#3F36C4 #C43674 #BBC436 #36C486

split-complementary

#3F36C4 #C48636 #74C436

monochromatic

#201C64 #302994 #3F36C4 #6A63D4 #9893E1

Accessibility & contrast

On white

8.28

#3F36C4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#3F36C4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F36C4

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F36C4	#FFFFFF	#000000	##FFFFFF
##3F36C4	1.00	8.28	2.54	8.28
#FFFFFF	8.28	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C8

Deuteranopia (green-blind)

#0048C1

Tritanopia (blue-blind)

#005E7A

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3f36c4;
/* rgb */ color: rgb(63, 54, 196);
/* oklch */ color: oklch(44.5% 0.210 276.4);

Tailwind

colors: {
  custom: {
    50: '#866fd7',
    500: '#3f36c4',
    950: '#000000',
  },
}

SCSS

$custom: #3f36c4;
$custom-light: #866fd7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f36c4",
  "rgb": {
    "r": 63,
    "g": 54,
    "b": 196
  },
  "hsl": {
    "h": 243.803,
    "s": 56.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.44531,
    "c": 0.21024,
    "h": 276.4
  },
  "luminance": 0.07681
}

Semantic roles & 50–950 ramp

primary

#3F36C4

secondary

#C8CC89

accent

#E048D6

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3F36C4

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

Preview Lab → · Contrast checker → · Palette generator →