#391CA9#391CA9

#391CA9 is a dark, highly saturated violet. Relative luminance 0.046; OKLCH L 38.1% C 0.203 H 280.1°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#391CA9
RGB	rgb(57, 28, 169)
HSL	hsl(252, 72%, 39%)
HSV	hsv(252, 83%, 66%)
CMYK	cmyk(66.3%, 83.4%, 0%, 33.7%)
CIE-LAB	lab(25.46, 51.40, -69.24)
CIE-LCH	lch(25.46, 86.23, 306.59°)
OKLab	oklab(38.07% 0.0357 -0.1999)
OKLCH	oklch(38.07% 0.203 280.1)
XYZ	xyz(9.2618, 4.5642, 37.9213)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391CA9 #8CA91C

analogous

#1C46A9 #391CA9 #7F1CA9

triadic

#391CA9 #A9391C #1CA939

tetradic

#391CA9 #A91C46 #8CA91C #1CA97F

square

#391CA9 #A91C46 #8CA91C #1CA97F

split-complementary

#391CA9 #A97F1C #46A91C

monochromatic

#160B40 #271374 #391CA9 #4C27DB #785BE4

Accessibility & contrast

On white

10.98

#391CA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#391CA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391CA9

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391CA9	#FFFFFF	#000000	##FFFFFF
##391CA9	1.00	10.98	1.91	10.98
#FFFFFF	10.98	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041AD

Deuteranopia (green-blind)

#0037A7

Tritanopia (blue-blind)

#004965

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #391ca9;
/* rgb */ color: rgb(57, 28, 169);
/* oklch */ color: oklch(38.1% 0.203 280.1);

Tailwind

colors: {
  custom: {
    50: '#805ec4',
    500: '#391ca9',
    950: '#000000',
  },
}

SCSS

$custom: #391ca9;
$custom-light: #805ec4;
$custom-dark: #000000;

JSON

{
  "hex": "#391ca9",
  "rgb": {
    "r": 57,
    "g": 28,
    "b": 169
  },
  "hsl": {
    "h": 252.34,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.38071,
    "c": 0.20303,
    "h": 280.1
  },
  "luminance": 0.04565
}

Semantic roles & 50–950 ramp

primary

#391CA9

secondary

#B1C859

accent

#EE39C9

background

#F8F5FC

surface

#F0E9F8

border

#CBC5D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #391CA9

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

Preview Lab → · Contrast checker → · Palette generator →