#3F17A0#3F17A0

#3F17A0 is a dark, vivid violet. Relative luminance 0.042; OKLCH L 37.2% C 0.196 H 285.0°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#3F17A0
RGB	rgb(63, 23, 160)
HSL	hsl(258, 75%, 36%)
HSV	hsv(258, 86%, 63%)
CMYK	cmyk(60.6%, 85.6%, 0%, 37.3%)
CIE-LAB	lab(24.34, 51.43, -65.60)
CIE-LCH	lch(24.34, 83.36, 308.10°)
OKLab	oklab(37.15% 0.0506 -0.189)
OKLCH	oklch(37.15% 0.196 285)
XYZ	xyz(8.6995, 4.2071, 33.6045)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F17A0 #78A017

analogous

#1734A0 #3F17A0 #8317A0

triadic

#3F17A0 #A03F17 #17A03F

tetradic

#3F17A0 #A01734 #78A017 #17A083

square

#3F17A0 #A01734 #78A017 #17A083

split-complementary

#3F17A0 #A08317 #34A017

monochromatic

#150835 #2A0F6A #3F17A0 #541FD6 #794CE5

Accessibility & contrast

On white

11.40

#3F17A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#3F17A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F17A0

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F17A0	#FFFFFF	#000000	##FFFFFF
##3F17A0	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA4

Deuteranopia (green-blind)

#00369E

Tritanopia (blue-blind)

#00435E

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #3f17a0;
/* rgb */ color: rgb(63, 23, 160);
/* oklch */ color: oklch(37.2% 0.196 285.0);

Tailwind

colors: {
  custom: {
    50: '#815cbd',
    500: '#3f17a0',
    950: '#000000',
  },
}

SCSS

$custom: #3f17a0;
$custom-light: #815cbd;
$custom-dark: #000000;

JSON

{
  "hex": "#3f17a0",
  "rgb": {
    "r": 63,
    "g": 23,
    "b": 160
  },
  "hsl": {
    "h": 257.518,
    "s": 74.863,
    "l": 35.882
  },
  "oklch": {
    "l": 0.37153,
    "c": 0.19571,
    "h": 285
  },
  "luminance": 0.04208
}

Semantic roles & 50–950 ramp

primary

#3F17A0

secondary

#A3C74C

accent

#F136BB

background

#F8F5FB

surface

#F0E9F7

border

#CBC5D0

text

#0C0412

muted

#7D7981

Preview Lab

Preview with #3F17A0

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

Preview Lab → · Contrast checker → · Palette generator →