#3F19B4#3F19B4

#3F19B4 is a dark, highly saturated violet. Relative luminance 0.050; OKLCH L 39.5% C 0.216 H 281.3°. Best body text is #FFFFFF at 10.45:1 contrast (WCAG AA passes).

Color values

HEX	#3F19B4
RGB	rgb(63, 25, 180)
HSL	hsl(255, 76%, 40%)
HSV	hsv(255, 86%, 71%)
CMYK	cmyk(65%, 86.1%, 0%, 29.4%)
CIE-LAB	lab(26.87, 56.15, -73.49)
CIE-LCH	lch(26.87, 92.49, 307.38°)
OKLab	oklab(39.54% 0.0423 -0.212)
OKLCH	oklch(39.54% 0.216 281.3)
XYZ	xyz(10.6332, 5.0465, 43.5849)
Luminance	0.0505 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F19B4 #8EB419

analogous

#1940B4 #3F19B4 #8D19B4

triadic

#3F19B4 #B43F19 #19B43F

tetradic

#3F19B4 #B41940 #8EB419 #19B48D

square

#3F19B4 #B41940 #8EB419 #19B48D

split-complementary

#3F19B4 #B48D19 #40B419

monochromatic

#190A49 #2C127E #3F19B4 #5629E1 #815FE9

Accessibility & contrast

On white

10.45

#3F19B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#3F19B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F19B4

10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F19B4	#FFFFFF	#000000	##FFFFFF
##3F19B4	1.00	10.45	2.01	10.45
#FFFFFF	10.45	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044B8

Deuteranopia (green-blind)

#003AB1

Tritanopia (blue-blind)

#004C6B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3f19b4;
/* rgb */ color: rgb(63, 25, 180);
/* oklch */ color: oklch(39.5% 0.216 281.3);

Tailwind

colors: {
  custom: {
    50: '#855fcc',
    500: '#3f19b4',
    950: '#000000',
  },
}

SCSS

$custom: #3f19b4;
$custom-light: #855fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f19b4",
  "rgb": {
    "r": 63,
    "g": 25,
    "b": 180
  },
  "hsl": {
    "h": 254.71,
    "s": 75.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.39539,
    "c": 0.2162,
    "h": 281.3
  },
  "luminance": 0.05047
}

Semantic roles & 50–950 ramp

primary

#3F19B4

secondary

#B1CD5C

accent

#F236C4

background

#F8F5FC

surface

#F0EAF9

border

#CBC6D2

text

#0D0514

muted

#7D7982

Preview Lab

Preview with #3F19B4

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

Preview Lab → · Contrast checker → · Palette generator →