#4019B4#4019B4

#4019B4 is a dark, highly saturated violet. Relative luminance 0.051; OKLCH L 39.6% C 0.216 H 281.7°. Best body text is #FFFFFF at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#4019B4
RGB	rgb(64, 25, 180)
HSL	hsl(255, 76%, 40%)
HSV	hsv(255, 86%, 71%)
CMYK	cmyk(64.4%, 86.1%, 0%, 29.4%)
CIE-LAB	lab(26.96, 56.23, -73.33)
CIE-LCH	lch(26.96, 92.41, 307.48°)
OKLab	oklab(39.63% 0.0438 -0.2115)
OKLCH	oklch(39.63% 0.216 281.7)
XYZ	xyz(10.6976, 5.0797, 43.5879)
Luminance	0.0508 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4019B4 #8DB419

analogous

#193FB4 #4019B4 #8E19B4

triadic

#4019B4 #B44019 #19B440

tetradic

#4019B4 #B4193F #8DB419 #19B48E

square

#4019B4 #B4193F #8DB419 #19B48E

split-complementary

#4019B4 #B48E19 #3FB419

monochromatic

#1A0A49 #2D127E #4019B4 #5729E1 #815FE9

Accessibility & contrast

On white

10.42

#4019B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#4019B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4019B4

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4019B4	#FFFFFF	#000000	##FFFFFF
##4019B4	1.00	10.42	2.02	10.42
#FFFFFF	10.42	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045B8

Deuteranopia (green-blind)

#003AB1

Tritanopia (blue-blind)

#004C6B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #4019b4;
/* rgb */ color: rgb(64, 25, 180);
/* oklch */ color: oklch(39.6% 0.216 281.7);

Tailwind

colors: {
  custom: {
    50: '#855fcc',
    500: '#4019b4',
    950: '#000000',
  },
}

SCSS

$custom: #4019b4;
$custom-light: #855fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#4019b4",
  "rgb": {
    "r": 64,
    "g": 25,
    "b": 180
  },
  "hsl": {
    "h": 255.097,
    "s": 75.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.39626,
    "c": 0.21603,
    "h": 281.7
  },
  "luminance": 0.05081
}

Semantic roles & 50–950 ramp

primary

#4019B4

secondary

#B0CD5C

accent

#F236C3

background

#F8F5FC

surface

#F0EAF9

border

#CBC6D2

text

#0D0514

muted

#7D7982

Preview Lab

Preview with #4019B4

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

Preview Lab → · Contrast checker → · Palette generator →