#3F1D9A#3F1D9A

#3F1D9A is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.1% C 0.184 H 285.6°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#3F1D9A
RGB	rgb(63, 29, 154)
HSL	hsl(256, 68%, 36%)
HSV	hsv(256, 81%, 60%)
CMYK	cmyk(59.1%, 81.2%, 0%, 39.6%)
CIE-LAB	lab(24.54, 47.27, -61.61)
CIE-LCH	lch(24.54, 77.65, 307.50°)
OKLab	oklab(37.09% 0.0495 -0.1775)
OKLCH	oklch(37.09% 0.184 285.6)
XYZ	xyz(8.3202, 4.2681, 30.9510)
Luminance	0.0427 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1D9A #789A1D

analogous

#1D399A #3F1D9A #7D1D9A

triadic

#3F1D9A #9A3F1D #1D9A3F

tetradic

#3F1D9A #9A1D39 #789A1D #1D9A7D

square

#3F1D9A #9A1D39 #789A1D #1D9A7D

split-complementary

#3F1D9A #9A7D1D #399A1D

monochromatic

#150A33 #2A1366 #3F1D9A #5427CE #7953DF

Accessibility & contrast

On white

11.33

#3F1D9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#3F1D9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1D9A

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1D9A	#FFFFFF	#000000	##FFFFFF
##3F1D9A	1.00	11.33	1.85	11.33
#FFFFFF	11.33	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9D

Deuteranopia (green-blind)

#003698

Tritanopia (blue-blind)

#0C425C

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #3f1d9a;
/* rgb */ color: rgb(63, 29, 154);
/* oklch */ color: oklch(37.1% 0.184 285.6);

Tailwind

colors: {
  custom: {
    50: '#805eb9',
    500: '#3f1d9a',
    950: '#000000',
  },
}

SCSS

$custom: #3f1d9a;
$custom-light: #805eb9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1d9a",
  "rgb": {
    "r": 63,
    "g": 29,
    "b": 154
  },
  "hsl": {
    "h": 256.32,
    "s": 68.306,
    "l": 35.882
  },
  "oklch": {
    "l": 0.37093,
    "c": 0.18426,
    "h": 285.6
  },
  "luminance": 0.04269
}

Semantic roles & 50–950 ramp

primary

#3F1D9A

secondary

#A3C251

accent

#EB3DBC

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #3F1D9A

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

Preview Lab → · Contrast checker → · Palette generator →