#3F1D9B#3F1D9B

#3F1D9B is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.2% C 0.185 H 285.4°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#3F1D9B
RGB	rgb(63, 29, 155)
HSL	hsl(256, 68%, 36%)
HSV	hsv(256, 81%, 61%)
CMYK	cmyk(59.4%, 81.3%, 0%, 39.2%)
CIE-LAB	lab(24.64, 47.56, -62.05)
CIE-LCH	lch(24.64, 78.18, 307.47°)
OKLab	oklab(37.2% 0.0492 -0.1788)
OKLCH	oklch(37.2% 0.185 285.4)
XYZ	xyz(8.4039, 4.3015, 31.3914)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1D9B #799B1D

analogous

#1D3A9B #3F1D9B #7E1D9B

triadic

#3F1D9B #9B3F1D #1D9B3F

tetradic

#3F1D9B #9B1D3A #799B1D #1D9B7E

square

#3F1D9B #9B1D3A #799B1D #1D9B7E

split-complementary

#3F1D9B #9B7E1D #3A9B1D

monochromatic

#150A34 #2A1367 #3F1D9B #5427CF #7953DF

Accessibility & contrast

On white

11.29

#3F1D9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#3F1D9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1D9B

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1D9B	#FFFFFF	#000000	##FFFFFF
##3F1D9B	1.00	11.29	1.86	11.29
#FFFFFF	11.29	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9E

Deuteranopia (green-blind)

#003799

Tritanopia (blue-blind)

#09435D

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #3f1d9b;
/* rgb */ color: rgb(63, 29, 155);
/* oklch */ color: oklch(37.2% 0.185 285.4);

Tailwind

colors: {
  custom: {
    50: '#805eba',
    500: '#3f1d9b',
    950: '#000000',
  },
}

SCSS

$custom: #3f1d9b;
$custom-light: #805eba;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1d9b",
  "rgb": {
    "r": 63,
    "g": 29,
    "b": 155
  },
  "hsl": {
    "h": 256.19,
    "s": 68.478,
    "l": 36.078
  },
  "oklch": {
    "l": 0.37198,
    "c": 0.1854,
    "h": 285.4
  },
  "luminance": 0.04302
}

Semantic roles & 50–950 ramp

primary

#3F1D9B

secondary

#A4C252

accent

#EB3CBC

background

#F8F5FB

surface

#F0E9F6

border

#CBC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #3F1D9B

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

Preview Lab → · Contrast checker → · Palette generator →