#391F9C#391F9C

#391F9C is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.0% C 0.186 H 281.9°. Best body text is #FFFFFF at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#391F9C
RGB	rgb(57, 31, 156)
HSL	hsl(252, 67%, 37%)
HSV	hsv(252, 80%, 61%)
CMYK	cmyk(63.5%, 80.1%, 0%, 38.8%)
CIE-LAB	lab(24.48, 46.24, -62.95)
CIE-LCH	lch(24.48, 78.11, 306.30°)
OKLab	oklab(36.97% 0.0383 -0.1816)
OKLCH	oklch(36.97% 0.186 281.9)
XYZ	xyz(8.1762, 4.2495, 31.8354)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391F9C #829C1F

analogous

#1F449C #391F9C #781F9C

triadic

#391F9C #9C391F #1F9C39

tetradic

#391F9C #9C1F44 #829C1F #1F9C78

square

#391F9C #9C1F44 #829C1F #1F9C78

split-complementary

#391F9C #9C781F #449C1F

monochromatic

#140B36 #261569 #391F9C #4C29CF #7458DE

Accessibility & contrast

On white

11.35

#391F9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#391F9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391F9C

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391F9C	#FFFFFF	#000000	##FFFFFF
##391F9C	1.00	11.35	1.85	11.35
#FFFFFF	11.35	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9F

Deuteranopia (green-blind)

#00369A

Tritanopia (blue-blind)

#00445E

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #391f9c;
/* rgb */ color: rgb(57, 31, 156);
/* oklch */ color: oklch(37.0% 0.186 281.9);

Tailwind

colors: {
  custom: {
    50: '#7d5fba',
    500: '#391f9c',
    950: '#000000',
  },
}

SCSS

$custom: #391f9c;
$custom-light: #7d5fba;
$custom-dark: #000000;

JSON

{
  "hex": "#391f9c",
  "rgb": {
    "r": 57,
    "g": 31,
    "b": 156
  },
  "hsl": {
    "h": 252.48,
    "s": 66.845,
    "l": 36.667
  },
  "oklch": {
    "l": 0.36972,
    "c": 0.1856,
    "h": 281.9
  },
  "luminance": 0.0425
}

Semantic roles & 50–950 ramp

primary

#391F9C

secondary

#ABC155

accent

#EA3EC6

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #391F9C

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

Preview Lab → · Contrast checker → · Palette generator →