#3F105A#3F105A

#3F105A is a dark, vivid violet. Relative luminance 0.022; OKLCH L 29.5% C 0.125 H 309.5°. Best body text is #FFFFFF at 14.65:1 contrast (WCAG AA passes).

Color values

HEX	#3F105A
RGB	rgb(63, 16, 90)
HSL	hsl(278, 70%, 21%)
HSV	hsv(278, 82%, 35%)
CMYK	cmyk(30%, 82.2%, 0%, 64.7%)
CIE-LAB	lab(16.33, 35.71, -34.11)
CIE-LCH	lch(16.33, 49.38, 316.31°)
OKLab	oklab(29.48% 0.0798 -0.0968)
OKLCH	oklch(29.48% 0.125 309.5)
XYZ	xyz(4.0803, 2.1656, 9.8739)
Luminance	0.0217 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F105A #2B5A10

analogous

#1A105A #3F105A #5A1050

triadic

#3F105A #5A3F10 #105A3F

tetradic

#3F105A #5A1A10 #2B5A10 #10505A

square

#3F105A #5A1A10 #2B5A10 #10505A

split-complementary

#3F105A #505A10 #105A1A

monochromatic

#12051A #1B0726 #3F105A #63198E #8822C2

Accessibility & contrast

On white

14.65

#3F105A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#3F105A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F105A

14.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F105A	#FFFFFF	#000000	##FFFFFF
##3F105A	1.00	14.65	1.43	14.65
#FFFFFF	14.65	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00275C

Deuteranopia (green-blind)

#002958

Tritanopia (blue-blind)

#3B2234

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #3f105a;
/* rgb */ color: rgb(63, 16, 90);
/* oklch */ color: oklch(29.5% 0.125 309.5);

Tailwind

colors: {
  custom: {
    50: '#785489',
    500: '#3f105a',
    950: '#000000',
  },
}

SCSS

$custom: #3f105a;
$custom-light: #785489;
$custom-dark: #000000;

JSON

{
  "hex": "#3f105a",
  "rgb": {
    "r": 63,
    "g": 16,
    "b": 90
  },
  "hsl": {
    "h": 278.108,
    "s": 69.811,
    "l": 20.784
  },
  "oklch": {
    "l": 0.29481,
    "c": 0.12544,
    "h": 309.5
  },
  "luminance": 0.02166
}

Semantic roles & 50–950 ramp

primary

#3F105A

secondary

#569333

accent

#ED3B7C

background

#F7F5F8

surface

#EDE9F0

border

#C8C5CB

text

#09030B

muted

#7B787C

Preview Lab

Preview with #3F105A

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

Preview Lab → · Contrast checker → · Palette generator →