#391CA1#391CA1

#391CA1 is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.2% C 0.194 H 281.4°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#391CA1
RGB	rgb(57, 28, 161)
HSL	hsl(253, 70%, 37%)
HSV	hsv(253, 83%, 63%)
CMYK	cmyk(64.6%, 82.6%, 0%, 36.9%)
CIE-LAB	lab(24.55, 49.09, -65.88)
CIE-LCH	lch(24.55, 82.16, 306.69°)
OKLab	oklab(37.19% 0.0383 -0.1901)
OKLCH	oklch(37.19% 0.194 281.4)
XYZ	xyz(8.5336, 4.2729, 34.0864)
Luminance	0.0427 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391CA1 #84A11C

analogous

#1C41A1 #391CA1 #7C1CA1

triadic

#391CA1 #A1391C #1CA139

tetradic

#391CA1 #A11C41 #84A11C #1CA17C

square

#391CA1 #A11C41 #84A11C #1CA17C

split-complementary

#391CA1 #A17C1C #41A11C

monochromatic

#140A39 #27136D #391CA1 #4B25D5 #7456E2

Accessibility & contrast

On white

11.32

#391CA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#391CA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391CA1

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391CA1	#FFFFFF	#000000	##FFFFFF
##391CA1	1.00	11.32	1.85	11.32
#FFFFFF	11.32	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA5

Deuteranopia (green-blind)

#00359F

Tritanopia (blue-blind)

#004560

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #391ca1;
/* rgb */ color: rgb(57, 28, 161);
/* oklch */ color: oklch(37.2% 0.194 281.4);

Tailwind

colors: {
  custom: {
    50: '#7e5ebe',
    500: '#391ca1',
    950: '#000000',
  },
}

SCSS

$custom: #391ca1;
$custom-light: #7e5ebe;
$custom-dark: #000000;

JSON

{
  "hex": "#391ca1",
  "rgb": {
    "r": 57,
    "g": 28,
    "b": 161
  },
  "hsl": {
    "h": 253.083,
    "s": 70.37,
    "l": 37.059
  },
  "oklch": {
    "l": 0.37186,
    "c": 0.19392,
    "h": 281.4
  },
  "luminance": 0.04274
}

Semantic roles & 50–950 ramp

primary

#391CA1

secondary

#ACC554

accent

#ED3BC6

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #391CA1

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

Preview Lab → · Contrast checker → · Palette generator →