#3F1CA1#3F1CA1

#3F1CA1 is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.7% C 0.193 H 284.3°. Best body text is #FFFFFF at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#3F1CA1
RGB	rgb(63, 28, 161)
HSL	hsl(256, 70%, 37%)
HSV	hsv(256, 83%, 63%)
CMYK	cmyk(60.9%, 82.6%, 0%, 36.9%)
CIE-LAB	lab(25.14, 49.70, -64.90)
CIE-LCH	lch(25.14, 81.74, 307.45°)
OKLab	oklab(37.73% 0.0477 -0.1871)
OKLCH	oklch(37.73% 0.193 284.3)
XYZ	xyz(8.8962, 4.4599, 34.1034)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1CA1 #7EA11C

analogous

#1C3CA1 #3F1CA1 #811CA1

triadic

#3F1CA1 #A13F1C #1CA13F

tetradic

#3F1CA1 #A11C3C #7EA11C #1CA181

square

#3F1CA1 #A11C3C #7EA11C #1CA181

split-complementary

#3F1CA1 #A1811C #3CA11C

monochromatic

#160A39 #2B136D #3F1CA1 #5325D5 #7B56E2

Accessibility & contrast

On white

11.10

#3F1CA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#3F1CA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1CA1

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1CA1	#FFFFFF	#000000	##FFFFFF
##3F1CA1	1.00	11.10	1.89	11.10
#FFFFFF	11.10	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA5

Deuteranopia (green-blind)

#00379F

Tritanopia (blue-blind)

#004560

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #3f1ca1;
/* rgb */ color: rgb(63, 28, 161);
/* oklch */ color: oklch(37.7% 0.193 284.3);

Tailwind

colors: {
  custom: {
    50: '#815ebe',
    500: '#3f1ca1',
    950: '#000000',
  },
}

SCSS

$custom: #3f1ca1;
$custom-light: #815ebe;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1ca1",
  "rgb": {
    "r": 63,
    "g": 28,
    "b": 161
  },
  "hsl": {
    "h": 255.789,
    "s": 70.37,
    "l": 37.059
  },
  "oklch": {
    "l": 0.37729,
    "c": 0.19306,
    "h": 284.3
  },
  "luminance": 0.0446
}

Semantic roles & 50–950 ramp

primary

#3F1CA1

secondary

#A7C554

accent

#ED3BBE

background

#F8F5FB

surface

#F0E9F7

border

#CBC5D0

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #3F1CA1

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

Preview Lab → · Contrast checker → · Palette generator →