#391CAD#391CAD

#391CAD is a dark, highly saturated violet. Relative luminance 0.047; OKLCH L 38.5% C 0.208 H 279.5°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#391CAD
RGB	rgb(57, 28, 173)
HSL	hsl(252, 72%, 39%)
HSV	hsv(252, 84%, 68%)
CMYK	cmyk(67.1%, 83.8%, 0%, 32.2%)
CIE-LAB	lab(25.91, 52.54, -70.89)
CIE-LCH	lch(25.91, 88.24, 306.55°)
OKLab	oklab(38.52% 0.0343 -0.2047)
OKLCH	oklch(38.52% 0.208 279.5)
XYZ	xyz(9.6430, 4.7167, 39.9293)
Luminance	0.0472 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391CAD #90AD1C

analogous

#1C48AD #391CAD #821CAD

triadic

#391CAD #AD391C #1CAD39

tetradic

#391CAD #AD1C48 #90AD1C #1CAD82

square

#391CAD #AD1C48 #90AD1C #1CAD82

split-complementary

#391CAD #AD821C #48AD1C

monochromatic

#160B44 #281378 #391CAD #4D2ADC #795EE5

Accessibility & contrast

On white

10.81

#391CAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#391CAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391CAD

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391CAD	#FFFFFF	#000000	##FFFFFF
##391CAD	1.00	10.81	1.94	10.81
#FFFFFF	10.81	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042B1

Deuteranopia (green-blind)

#0038AB

Tritanopia (blue-blind)

#004A67

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #391cad;
/* rgb */ color: rgb(57, 28, 173);
/* oklch */ color: oklch(38.5% 0.208 279.5);

Tailwind

colors: {
  custom: {
    50: '#815fc7',
    500: '#391cad',
    950: '#000000',
  },
}

SCSS

$custom: #391cad;
$custom-light: #815fc7;
$custom-dark: #000000;

JSON

{
  "hex": "#391cad",
  "rgb": {
    "r": 57,
    "g": 28,
    "b": 173
  },
  "hsl": {
    "h": 252,
    "s": 72.139,
    "l": 39.412
  },
  "oklch": {
    "l": 0.38518,
    "c": 0.20754,
    "h": 279.5
  },
  "luminance": 0.04717
}

Semantic roles & 50–950 ramp

primary

#391CAD

secondary

#B3C95C

accent

#EF39CA

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #391CAD

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

Preview Lab → · Contrast checker → · Palette generator →