#391F75#391F75

#391F75 is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.0% C 0.138 H 290.7°. Best body text is #FFFFFF at 12.91:1 contrast (WCAG AA passes).

Color values

HEX	#391F75
RGB	rgb(57, 31, 117)
HSL	hsl(258, 58%, 29%)
HSV	hsv(258, 74%, 46%)
CMYK	cmyk(51.3%, 73.5%, 0%, 54.1%)
CIE-LAB	lab(20.57, 34.42, -44.95)
CIE-LCH	lch(20.57, 56.62, 307.45°)
OKLab	oklab(33.04% 0.0488 -0.1289)
OKLCH	oklch(33.04% 0.138 290.7)
XYZ	xyz(5.3873, 3.1340, 17.1472)
Luminance	0.0313 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391F75 #5B751F

analogous

#1F3075 #391F75 #641F75

triadic

#391F75 #75391F #1F7539

tetradic

#391F75 #751F30 #5B751F #1F7564

square

#391F75 #751F30 #5B751F #1F7564

split-complementary

#391F75 #75641F #30751F

monochromatic

#0C0618 #211245 #391F75 #512CA5 #6C42CD

Accessibility & contrast

On white

12.91

#391F75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#391F75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391F75

12.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391F75	#FFFFFF	#000000	##FFFFFF
##391F75	1.00	12.91	1.63	12.91
#FFFFFF	12.91	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003378

Deuteranopia (green-blind)

#003073

Tritanopia (blue-blind)

#253547

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #391f75;
/* rgb */ color: rgb(57, 31, 117);
/* oklch */ color: oklch(33.0% 0.138 290.7);

Tailwind

colors: {
  custom: {
    50: '#765d9e',
    500: '#391f75',
    950: '#000000',
  },
}

SCSS

$custom: #391f75;
$custom-light: #765d9e;
$custom-dark: #000000;

JSON

{
  "hex": "#391f75",
  "rgb": {
    "r": 57,
    "g": 31,
    "b": 117
  },
  "hsl": {
    "h": 258.14,
    "s": 58.108,
    "l": 29.02
  },
  "oklch": {
    "l": 0.33044,
    "c": 0.13786,
    "h": 290.7
  },
  "luminance": 0.03134
}

Semantic roles & 50–950 ramp

primary

#391F75

secondary

#8BA947

accent

#E146B3

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040E

muted

#7B797E

Preview Lab

Preview with #391F75

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

Preview Lab → · Contrast checker → · Palette generator →