#3F1BA1#3F1BA1

#3F1BA1 is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.6% C 0.194 H 284.4°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#3F1BA1
RGB	rgb(63, 27, 161)
HSL	hsl(256, 71%, 37%)
HSV	hsv(256, 83%, 63%)
CMYK	cmyk(60.9%, 83.2%, 0%, 36.9%)
CIE-LAB	lab(24.99, 50.12, -65.14)
CIE-LCH	lch(24.99, 82.19, 307.58°)
OKLab	oklab(37.63% 0.0482 -0.1877)
OKLCH	oklch(37.63% 0.194 284.4)
XYZ	xyz(8.8729, 4.4133, 34.0956)
Luminance	0.0441 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1BA1 #7DA11B

analogous

#1B3AA1 #3F1BA1 #821BA1

triadic

#3F1BA1 #A13F1B #1BA13F

tetradic

#3F1BA1 #A11B3A #7DA11B #1BA182

square

#3F1BA1 #A11B3A #7DA11B #1BA182

split-complementary

#3F1BA1 #A1821B #3AA11B

monochromatic

#160938 #2A126D #3F1BA1 #5424D5 #7A54E2

Accessibility & contrast

On white

11.15

#3F1BA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#3F1BA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1BA1

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1BA1	#FFFFFF	#000000	##FFFFFF
##3F1BA1	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA5

Deuteranopia (green-blind)

#00379F

Tritanopia (blue-blind)

#004560

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #3f1ba1;
/* rgb */ color: rgb(63, 27, 161);
/* oklch */ color: oklch(37.6% 0.194 284.4);

Tailwind

colors: {
  custom: {
    50: '#815ebe',
    500: '#3f1ba1',
    950: '#000000',
  },
}

SCSS

$custom: #3f1ba1;
$custom-light: #815ebe;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1ba1",
  "rgb": {
    "r": 63,
    "g": 27,
    "b": 161
  },
  "hsl": {
    "h": 256.119,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.3763,
    "c": 0.19385,
    "h": 284.4
  },
  "luminance": 0.04414
}

Semantic roles & 50–950 ramp

primary

#3F1BA1

secondary

#A6C552

accent

#EE3ABE

background

#F8F5FB

surface

#F0E9F7

border

#CBC5D0

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #3F1BA1

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

Preview Lab → · Contrast checker → · Palette generator →