#391F91#391F91

#391F91 is a dark, vivid violet. Relative luminance 0.039; OKLCH L 35.8% C 0.173 H 283.9°. Best body text is #FFFFFF at 11.81:1 contrast (WCAG AA passes).

Color values

HEX	#391F91
RGB	rgb(57, 31, 145)
HSL	hsl(254, 65%, 35%)
HSV	hsv(254, 79%, 57%)
CMYK	cmyk(60.7%, 78.6%, 0%, 43.1%)
CIE-LAB	lab(23.32, 42.94, -58.10)
CIE-LCH	lch(23.32, 72.24, 306.47°)
OKLab	oklab(35.81% 0.0416 -0.1674)
OKLCH	oklch(35.81% 0.173 283.9)
XYZ	xyz(7.2866, 3.8937, 27.1502)
Luminance	0.0389 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391F91 #77911F

analogous

#1F3E91 #391F91 #721F91

triadic

#391F91 #91391F #1F9139

tetradic

#391F91 #911F3E #77911F #1F9172

square

#391F91 #911F3E #77911F #1F9172

split-complementary

#391F91 #91721F #3E911F

monochromatic

#11092C #25145F #391F91 #4D2AC3 #7051DA

Accessibility & contrast

On white

11.81

#391F91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#391F91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391F91

11.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391F91	#FFFFFF	#000000	##FFFFFF
##391F91	1.00	11.81	1.78	11.81
#FFFFFF	11.81	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B94

Deuteranopia (green-blind)

#00348F

Tritanopia (blue-blind)

#004057

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #391f91;
/* rgb */ color: rgb(57, 31, 145);
/* oklch */ color: oklch(35.8% 0.173 283.9);

Tailwind

colors: {
  custom: {
    50: '#7b5eb2',
    500: '#391f91',
    950: '#000000',
  },
}

SCSS

$custom: #391f91;
$custom-light: #7b5eb2;
$custom-dark: #000000;

JSON

{
  "hex": "#391f91",
  "rgb": {
    "r": 57,
    "g": 31,
    "b": 145
  },
  "hsl": {
    "h": 253.684,
    "s": 64.773,
    "l": 34.51
  },
  "oklch": {
    "l": 0.35814,
    "c": 0.17253,
    "h": 283.9
  },
  "luminance": 0.03894
}

Semantic roles & 50–950 ramp

primary

#391F91

secondary

#A4BD4F

accent

#E840C2

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0A0511

muted

#7C7980

Preview Lab

Preview with #391F91

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

Preview Lab → · Contrast checker → · Palette generator →