#3F1DA1#3F1DA1

#3F1DA1 is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.8% C 0.192 H 284.2°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#3F1DA1
RGB	rgb(63, 29, 161)
HSL	hsl(255, 69%, 37%)
HSV	hsv(255, 82%, 63%)
CMYK	cmyk(60.9%, 82%, 0%, 36.9%)
CIE-LAB	lab(25.28, 49.27, -64.65)
CIE-LCH	lch(25.28, 81.29, 307.31°)
OKLab	oklab(37.83% 0.0472 -0.1864)
OKLCH	oklch(37.83% 0.192 284.2)
XYZ	xyz(8.9203, 4.5081, 34.1114)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1DA1 #7FA11D

analogous

#1D3DA1 #3F1DA1 #811DA1

triadic

#3F1DA1 #A13F1D #1DA13F

tetradic

#3F1DA1 #A11D3D #7FA11D #1DA181

square

#3F1DA1 #A11D3D #7FA11D #1DA181

split-complementary

#3F1DA1 #A1811D #3DA11D

monochromatic

#160A39 #2B146D #3F1DA1 #5326D5 #7B58E1

Accessibility & contrast

On white

11.04

#3F1DA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#3F1DA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1DA1

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1DA1	#FFFFFF	#000000	##FFFFFF
##3F1DA1	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A5

Deuteranopia (green-blind)

#00389F

Tritanopia (blue-blind)

#004560

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #3f1da1;
/* rgb */ color: rgb(63, 29, 161);
/* oklch */ color: oklch(37.8% 0.192 284.2);

Tailwind

colors: {
  custom: {
    50: '#815fbe',
    500: '#3f1da1',
    950: '#000000',
  },
}

SCSS

$custom: #3f1da1;
$custom-light: #815fbe;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1da1",
  "rgb": {
    "r": 63,
    "g": 29,
    "b": 161
  },
  "hsl": {
    "h": 255.455,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.37831,
    "c": 0.19224,
    "h": 284.2
  },
  "luminance": 0.04509
}

Semantic roles & 50–950 ramp

primary

#3F1DA1

secondary

#A8C455

accent

#EC3CBF

background

#F8F5FB

surface

#F0EAF7

border

#CBC6D0

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #3F1DA1

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

Preview Lab → · Contrast checker → · Palette generator →