#3921AD#3921AD

#3921AD is a dark, highly saturated violet. Relative luminance 0.050; OKLCH L 39.0% C 0.204 H 279.1°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#3921AD
RGB	rgb(57, 33, 173)
HSL	hsl(250, 68%, 40%)
HSV	hsv(250, 81%, 68%)
CMYK	cmyk(67.1%, 80.9%, 0%, 32.2%)
CIE-LAB	lab(26.66, 50.35, -69.65)
CIE-LCH	lch(26.66, 85.95, 305.86°)
OKLab	oklab(39.03% 0.0321 -0.2011)
OKLCH	oklch(39.03% 0.204 279.1)
XYZ	xyz(9.7716, 4.9739, 39.9722)
Luminance	0.0498 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3921AD #95AD21

analogous

#214FAD #3921AD #7F21AD

triadic

#3921AD #AD3921 #21AD39

tetradic

#3921AD #AD214F #95AD21 #21AD7F

square

#3921AD #AD214F #95AD21 #21AD7F

split-complementary

#3921AD #AD7F21 #4FAD21

monochromatic

#170D46 #28177A #3921AD #4F33D8 #7C66E2

Accessibility & contrast

On white

10.53

#3921AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#3921AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3921AD

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3921AD	#FFFFFF	#000000	##FFFFFF
##3921AD	1.00	10.53	2.00	10.53
#FFFFFF	10.53	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044B1

Deuteranopia (green-blind)

#0039AB

Tritanopia (blue-blind)

#004C68

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3921ad;
/* rgb */ color: rgb(57, 33, 173);
/* oklch */ color: oklch(39.0% 0.204 279.1);

Tailwind

colors: {
  custom: {
    50: '#8061c7',
    500: '#3921ad',
    950: '#000000',
  },
}

SCSS

$custom: #3921ad;
$custom-light: #8061c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3921ad",
  "rgb": {
    "r": 57,
    "g": 33,
    "b": 173
  },
  "hsl": {
    "h": 250.286,
    "s": 67.961,
    "l": 40.392
  },
  "oklch": {
    "l": 0.39034,
    "c": 0.2037,
    "h": 279.1
  },
  "luminance": 0.04975
}

Semantic roles & 50–950 ramp

primary

#3921AD

secondary

#B6C762

accent

#EB3DCD

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #3921AD

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

Preview Lab → · Contrast checker → · Palette generator →