#3F105D#3F105D

#3F105D is a dark, vivid violet. Relative luminance 0.022; OKLCH L 29.7% C 0.129 H 307.9°. Best body text is #FFFFFF at 14.55:1 contrast (WCAG AA passes).

Color values

HEX	#3F105D
RGB	rgb(63, 16, 93)
HSL	hsl(277, 71%, 21%)
HSV	hsv(277, 83%, 36%)
CMYK	cmyk(32.3%, 82.8%, 0%, 63.5%)
CIE-LAB	lab(16.59, 36.44, -35.70)
CIE-LCH	lch(16.59, 51.01, 315.59°)
OKLab	oklab(29.74% 0.0791 -0.1014)
OKLCH	oklch(29.74% 0.129 307.9)
XYZ	xyz(4.2106, 2.2177, 10.5601)
Luminance	0.0222 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F105D #2E5D10

analogous

#19105D #3F105D #5D1055

triadic

#3F105D #5D3F10 #105D3F

tetradic

#3F105D #5D1910 #2E5D10 #10555D

square

#3F105D #5D1910 #2E5D10 #10555D

split-complementary

#3F105D #555D10 #105D19

monochromatic

#12041A #1C0729 #3F105D #621991 #8622C5

Accessibility & contrast

On white

14.55

#3F105D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#3F105D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F105D

14.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F105D	#FFFFFF	#000000	##FFFFFF
##3F105D	1.00	14.55	1.44	14.55
#FFFFFF	14.55	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00275F

Deuteranopia (green-blind)

#00295B

Tritanopia (blue-blind)

#3A2336

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #3f105d;
/* rgb */ color: rgb(63, 16, 93);
/* oklch */ color: oklch(29.7% 0.129 307.9);

Tailwind

colors: {
  custom: {
    50: '#78548b',
    500: '#3f105d',
    950: '#000000',
  },
}

SCSS

$custom: #3f105d;
$custom-light: #78548b;
$custom-dark: #000000;

JSON

{
  "hex": "#3f105d",
  "rgb": {
    "r": 63,
    "g": 16,
    "b": 93
  },
  "hsl": {
    "h": 276.623,
    "s": 70.642,
    "l": 21.373
  },
  "oklch": {
    "l": 0.29742,
    "c": 0.12863,
    "h": 307.9
  },
  "luminance": 0.02218
}

Semantic roles & 50–950 ramp

primary

#3F105D

secondary

#599633

accent

#ED3A80

background

#F7F5F8

surface

#EEE9F0

border

#C9C5CB

text

#09030C

muted

#7B787D

Preview Lab

Preview with #3F105D

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

Preview Lab → · Contrast checker → · Palette generator →