#3F36C3#3F36C3

#3F36C3 is a dark, highly saturated blue. Relative luminance 0.076; OKLCH L 44.4% C 0.209 H 276.5°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#3F36C3
RGB	rgb(63, 54, 195)
HSL	hsl(244, 57%, 49%)
HSV	hsv(244, 72%, 76%)
CMYK	cmyk(67.7%, 72.3%, 0%, 23.5%)
CIE-LAB	lab(33.21, 46.93, -71.88)
CIE-LCH	lch(33.21, 85.85, 303.14°)
OKLab	oklab(44.43% 0.0236 -0.2077)
OKLCH	oklch(44.43% 0.209 276.5)
XYZ	xyz(13.2162, 7.6340, 52.3962)
Luminance	0.0764 (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

#3F36C3 #BAC336

analogous

#3674C3 #3F36C3 #8636C3

triadic

#3F36C3 #C33F36 #36C33F

tetradic

#3F36C3 #C33674 #BAC336 #36C386

square

#3F36C3 #C33674 #BAC336 #36C386

split-complementary

#3F36C3 #C38636 #74C336

monochromatic

#201B63 #302993 #3F36C3 #6A63D4 #9792E1

Accessibility & contrast

On white

8.31

#3F36C3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#3F36C3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F36C3

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F36C3	#FFFFFF	#000000	##FFFFFF
##3F36C3	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C7

Deuteranopia (green-blind)

#0048C0

Tritanopia (blue-blind)

#005E79

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3f36c3;
/* rgb */ color: rgb(63, 54, 195);
/* oklch */ color: oklch(44.4% 0.209 276.5);

Tailwind

colors: {
  custom: {
    50: '#866fd6',
    500: '#3f36c3',
    950: '#000000',
  },
}

SCSS

$custom: #3f36c3;
$custom-light: #866fd6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f36c3",
  "rgb": {
    "r": 63,
    "g": 54,
    "b": 195
  },
  "hsl": {
    "h": 243.83,
    "s": 56.627,
    "l": 48.824
  },
  "oklch": {
    "l": 0.44432,
    "c": 0.20903,
    "h": 276.5
  },
  "luminance": 0.07635
}

Semantic roles & 50–950 ramp

primary

#3F36C3

secondary

#C8CC89

accent

#E048D6

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0714

muted

#7E7A83

Preview Lab

Preview with #3F36C3

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

Preview Lab → · Contrast checker → · Palette generator →