#3F1B78#3F1B78

#3F1B78 is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.5% C 0.147 H 294.8°. Best body text is #FFFFFF at 12.81:1 contrast (WCAG AA passes).

Color values

HEX	#3F1B78
RGB	rgb(63, 27, 120)
HSL	hsl(263, 63%, 29%)
HSV	hsv(263, 78%, 47%)
CMYK	cmyk(47.5%, 77.5%, 0%, 52.9%)
CIE-LAB	lab(20.81, 38.52, -46.45)
CIE-LCH	lch(20.81, 60.34, 309.67°)
OKLab	oklab(33.47% 0.0614 -0.1331)
OKLCH	oklch(33.47% 0.147 294.8)
XYZ	xyz(5.8311, 3.1965, 18.0754)
Luminance	0.0320 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1B78 #54781B

analogous

#1B2678 #3F1B78 #6E1B78

triadic

#3F1B78 #783F1B #1B783F

tetradic

#3F1B78 #781B26 #54781B #1B786E

square

#3F1B78 #781B26 #54781B #1B786E

split-complementary

#3F1B78 #786E1B #26781B

monochromatic

#0D0619 #251046 #3F1B78 #5926AA #763BD3

Accessibility & contrast

On white

12.81

#3F1B78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#3F1B78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1B78

12.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1B78	#FFFFFF	#000000	##FFFFFF
##3F1B78	1.00	12.81	1.64	12.81
#FFFFFF	12.81	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337B

Deuteranopia (green-blind)

#003176

Tritanopia (blue-blind)

#2F3448

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #3f1b78;
/* rgb */ color: rgb(63, 27, 120);
/* oklch */ color: oklch(33.5% 0.147 294.8);

Tailwind

colors: {
  custom: {
    50: '#7a5ba0',
    500: '#3f1b78',
    950: '#000000',
  },
}

SCSS

$custom: #3f1b78;
$custom-light: #7a5ba0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1b78",
  "rgb": {
    "r": 63,
    "g": 27,
    "b": 120
  },
  "hsl": {
    "h": 263.226,
    "s": 63.265,
    "l": 28.824
  },
  "oklch": {
    "l": 0.33467,
    "c": 0.14659,
    "h": 294.8
  },
  "luminance": 0.03197
}

Semantic roles & 50–950 ramp

primary

#3F1B78

secondary

#83AC43

accent

#E641A7

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040F

muted

#7C797E

Preview Lab

Preview with #3F1B78

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

Preview Lab → · Contrast checker → · Palette generator →