#391F80#391F80

#391F80 is a dark, vivid violet. Relative luminance 0.034; OKLCH L 34.1% C 0.152 H 287.7°. Best body text is #FFFFFF at 12.49:1 contrast (WCAG AA passes).

Color values

HEX	#391F80
RGB	rgb(57, 31, 128)
HSL	hsl(256, 61%, 31%)
HSV	hsv(256, 76%, 50%)
CMYK	cmyk(55.5%, 75.8%, 0%, 49.8%)
CIE-LAB	lab(21.61, 37.78, -50.26)
CIE-LCH	lch(21.61, 62.87, 306.93°)
OKLab	oklab(34.1% 0.0462 -0.1445)
OKLCH	oklch(34.1% 0.152 287.7)
XYZ	xyz(6.0725, 3.4080, 20.7557)
Luminance	0.0341 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391F80 #66801F

analogous

#1F3680 #391F80 #691F80

triadic

#391F80 #80391F #1F8039

tetradic

#391F80 #801F36 #66801F #1F8069

square

#391F80 #801F36 #66801F #1F8069

split-complementary

#391F80 #80691F #36801F

monochromatic

#0D071D #23134F #391F80 #4F2BB1 #6C47D2

Accessibility & contrast

On white

12.49

#391F80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#391F80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391F80

12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391F80	#FFFFFF	#000000	##FFFFFF
##391F80	1.00	12.49	1.68	12.49
#FFFFFF	12.49	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003683

Deuteranopia (green-blind)

#00317E

Tritanopia (blue-blind)

#1C394E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #391f80;
/* rgb */ color: rgb(57, 31, 128);
/* oklch */ color: oklch(34.1% 0.152 287.7);

Tailwind

colors: {
  custom: {
    50: '#785da6',
    500: '#391f80',
    950: '#000000',
  },
}

SCSS

$custom: #391f80;
$custom-light: #785da6;
$custom-dark: #000000;

JSON

{
  "hex": "#391f80",
  "rgb": {
    "r": 57,
    "g": 31,
    "b": 128
  },
  "hsl": {
    "h": 256.082,
    "s": 61.006,
    "l": 31.176
  },
  "oklch": {
    "l": 0.34097,
    "c": 0.15174,
    "h": 287.7
  },
  "luminance": 0.03408
}

Semantic roles & 50–950 ramp

primary

#391F80

secondary

#96B348

accent

#E444B9

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #391F80

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

Preview Lab → · Contrast checker → · Palette generator →