#3F2CA1#3F2CA1

#3F2CA1 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.7% C 0.178 H 282.0°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#3F2CA1
RGB	rgb(63, 44, 161)
HSL	hsl(250, 57%, 40%)
HSV	hsv(250, 73%, 63%)
CMYK	cmyk(60.9%, 72.7%, 0%, 36.9%)
CIE-LAB	lab(27.93, 41.73, -60.30)
CIE-LCH	lch(27.93, 73.33, 304.68°)
OKLab	oklab(39.68% 0.0371 -0.1738)
OKLCH	oklch(39.68% 0.178 282)
XYZ	xyz(9.3816, 5.4307, 34.2652)
Luminance	0.0543 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F2CA1 #8EA12C

analogous

#2C53A1 #3F2CA1 #7A2CA1

triadic

#3F2CA1 #A13F2C #2CA13F

tetradic

#3F2CA1 #A12C53 #8EA12C #2CA17A

square

#3F2CA1 #A12C53 #8EA12C #2CA17A

split-complementary

#3F2CA1 #A17A2C #53A12C

monochromatic

#191241 #2C1F71 #3F2CA1 #5640CB #8170D8

Accessibility & contrast

On white

10.07

#3F2CA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#3F2CA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2CA1

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2CA1	#FFFFFF	#000000	##FFFFFF
##3F2CA1	1.00	10.07	2.09	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A4

Deuteranopia (green-blind)

#003E9F

Tritanopia (blue-blind)

#004C63

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3f2ca1;
/* rgb */ color: rgb(63, 44, 161);
/* oklch */ color: oklch(39.7% 0.178 282.0);

Tailwind

colors: {
  custom: {
    50: '#8067be',
    500: '#3f2ca1',
    950: '#000000',
  },
}

SCSS

$custom: #3f2ca1;
$custom-light: #8067be;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2ca1",
  "rgb": {
    "r": 63,
    "g": 44,
    "b": 161
  },
  "hsl": {
    "h": 249.744,
    "s": 57.073,
    "l": 40.196
  },
  "oklch": {
    "l": 0.39685,
    "c": 0.17772,
    "h": 282
  },
  "luminance": 0.05431
}

Semantic roles & 50–950 ramp

primary

#3F2CA1

secondary

#B1BF6A

accent

#E047C8

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3F2CA1

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

Preview Lab → · Contrast checker → · Palette generator →