#3F19A1#3F19A1

#3F19A1 is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.4% C 0.195 H 284.6°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#3F19A1
RGB	rgb(63, 25, 161)
HSL	hsl(257, 73%, 36%)
HSV	hsv(257, 84%, 63%)
CMYK	cmyk(60.9%, 84.5%, 0%, 36.9%)
CIE-LAB	lab(24.72, 50.94, -65.59)
CIE-LCH	lch(24.72, 83.05, 307.83°)
OKLab	oklab(37.44% 0.0493 -0.189)
OKLCH	oklch(37.44% 0.195 284.6)
XYZ	xyz(8.8286, 4.3247, 34.0808)
Luminance	0.0432 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F19A1 #7BA119

analogous

#1937A1 #3F19A1 #8319A1

triadic

#3F19A1 #A13F19 #19A13F

tetradic

#3F19A1 #A11937 #7BA119 #19A183

square

#3F19A1 #A11937 #7BA119 #19A183

split-complementary

#3F19A1 #A18319 #37A119

monochromatic

#160937 #2A116C #3F19A1 #5421D6 #7A50E4

Accessibility & contrast

On white

11.26

#3F19A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#3F19A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F19A1

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F19A1	#FFFFFF	#000000	##FFFFFF
##3F19A1	1.00	11.26	1.87	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA5

Deuteranopia (green-blind)

#00369F

Tritanopia (blue-blind)

#00445F

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #3f19a1;
/* rgb */ color: rgb(63, 25, 161);
/* oklch */ color: oklch(37.4% 0.195 284.6);

Tailwind

colors: {
  custom: {
    50: '#815dbe',
    500: '#3f19a1',
    950: '#000000',
  },
}

SCSS

$custom: #3f19a1;
$custom-light: #815dbe;
$custom-dark: #000000;

JSON

{
  "hex": "#3f19a1",
  "rgb": {
    "r": 63,
    "g": 25,
    "b": 161
  },
  "hsl": {
    "h": 256.765,
    "s": 73.118,
    "l": 36.471
  },
  "oklch": {
    "l": 0.37441,
    "c": 0.19537,
    "h": 284.6
  },
  "luminance": 0.04325
}

Semantic roles & 50–950 ramp

primary

#3F19A1

secondary

#A5C64F

accent

#F038BC

background

#F8F5FB

surface

#F0E9F7

border

#CBC5D0

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #3F19A1

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

Preview Lab → · Contrast checker → · Palette generator →