#3F1D9C#3F1D9C

#3F1D9C is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.3% C 0.187 H 285.2°. Best body text is #FFFFFF at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#3F1D9C
RGB	rgb(63, 29, 156)
HSL	hsl(256, 69%, 36%)
HSV	hsv(256, 81%, 61%)
CMYK	cmyk(59.6%, 81.4%, 0%, 38.8%)
CIE-LAB	lab(24.75, 47.84, -62.48)
CIE-LCH	lch(24.75, 78.70, 307.44°)
OKLab	oklab(37.3% 0.0488 -0.18)
OKLCH	oklch(37.3% 0.187 285.2)
XYZ	xyz(8.4882, 4.3353, 31.8356)
Luminance	0.0434 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1D9C #7A9C1D

analogous

#1D3B9C #3F1D9C #7F1D9C

triadic

#3F1D9C #9C3F1D #1D9C3F

tetradic

#3F1D9C #9C1D3B #7A9C1D #1D9C7F

square

#3F1D9C #9C1D3B #7A9C1D #1D9C7F

split-complementary

#3F1D9C #9C7F1D #3B9C1D

monochromatic

#150A35 #2A1368 #3F1D9C #5427D0 #7954DF

Accessibility & contrast

On white

11.25

#3F1D9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#3F1D9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1D9C

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1D9C	#FFFFFF	#000000	##FFFFFF
##3F1D9C	1.00	11.25	1.87	11.25
#FFFFFF	11.25	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9F

Deuteranopia (green-blind)

#00379A

Tritanopia (blue-blind)

#07435D

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #3f1d9c;
/* rgb */ color: rgb(63, 29, 156);
/* oklch */ color: oklch(37.3% 0.187 285.2);

Tailwind

colors: {
  custom: {
    50: '#805fba',
    500: '#3f1d9c',
    950: '#000000',
  },
}

SCSS

$custom: #3f1d9c;
$custom-light: #805fba;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1d9c",
  "rgb": {
    "r": 63,
    "g": 29,
    "b": 156
  },
  "hsl": {
    "h": 256.063,
    "s": 68.649,
    "l": 36.275
  },
  "oklch": {
    "l": 0.37303,
    "c": 0.18655,
    "h": 285.2
  },
  "luminance": 0.04336
}

Semantic roles & 50–950 ramp

primary

#3F1D9C

secondary

#A4C252

accent

#EB3CBD

background

#F8F5FB

surface

#F0E9F6

border

#CBC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #3F1D9C

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

Preview Lab → · Contrast checker → · Palette generator →