#391AA4#391AA4

#391AA4 is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.3% C 0.199 H 281.1°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#391AA4
RGB	rgb(57, 26, 164)
HSL	hsl(253, 73%, 37%)
HSV	hsv(253, 84%, 64%)
CMYK	cmyk(65.2%, 84.1%, 0%, 35.7%)
CIE-LAB	lab(24.60, 50.80, -67.62)
CIE-LCH	lch(24.60, 84.58, 306.92°)
OKLab	oklab(37.32% 0.0383 -0.1951)
OKLCH	oklch(37.32% 0.199 281.1)
XYZ	xyz(8.7555, 4.2883, 35.4811)
Luminance	0.0429 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391AA4 #85A41A

analogous

#1A40A4 #391AA4 #7E1AA4

triadic

#391AA4 #A4391A #1AA439

tetradic

#391AA4 #A41A40 #85A41A #1AA47E

square

#391AA4 #A41A40 #85A41A #1AA47E

split-complementary

#391AA4 #A47E1A #40A41A

monochromatic

#14093A #27126F #391AA4 #4B22D9 #7554E4

Accessibility & contrast

On white

11.30

#391AA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#391AA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391AA4

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391AA4	#FFFFFF	#000000	##FFFFFF
##391AA4	1.00	11.30	1.86	11.30
#FFFFFF	11.30	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA8

Deuteranopia (green-blind)

#0035A2

Tritanopia (blue-blind)

#004661

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #391aa4;
/* rgb */ color: rgb(57, 26, 164);
/* oklch */ color: oklch(37.3% 0.199 281.1);

Tailwind

colors: {
  custom: {
    50: '#7f5dc0',
    500: '#391aa4',
    950: '#000000',
  },
}

SCSS

$custom: #391aa4;
$custom-light: #7f5dc0;
$custom-dark: #000000;

JSON

{
  "hex": "#391aa4",
  "rgb": {
    "r": 57,
    "g": 26,
    "b": 164
  },
  "hsl": {
    "h": 253.478,
    "s": 72.632,
    "l": 37.255
  },
  "oklch": {
    "l": 0.37318,
    "c": 0.19885,
    "h": 281.1
  },
  "luminance": 0.04289
}

Semantic roles & 50–950 ramp

primary

#391AA4

secondary

#ADC753

accent

#EF38C6

background

#F8F5FC

surface

#F0E9F8

border

#CBC5D1

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #391AA4

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

Preview Lab → · Contrast checker → · Palette generator →