#391F9B#391F9B

#391F9B is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.9% C 0.184 H 282.1°. Best body text is #FFFFFF at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#391F9B
RGB	rgb(57, 31, 155)
HSL	hsl(253, 67%, 36%)
HSV	hsv(253, 80%, 61%)
CMYK	cmyk(63.2%, 80%, 0%, 39.2%)
CIE-LAB	lab(24.37, 45.94, -62.52)
CIE-LCH	lch(24.37, 77.58, 306.31°)
OKLab	oklab(36.87% 0.0386 -0.1803)
OKLCH	oklch(36.87% 0.184 282.1)
XYZ	xyz(8.0919, 4.2158, 31.3913)
Luminance	0.0422 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391F9B #819B1F

analogous

#1F439B #391F9B #771F9B

triadic

#391F9B #9B391F #1F9B39

tetradic

#391F9B #9B1F43 #819B1F #1F9B77

square

#391F9B #9B1F43 #819B1F #1F9B77

split-complementary

#391F9B #9B771F #439B1F

monochromatic

#130B35 #261568 #391F9B #4C29CE #7357DD

Accessibility & contrast

On white

11.39

#391F9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#391F9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391F9B

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391F9B	#FFFFFF	#000000	##FFFFFF
##391F9B	1.00	11.39	1.84	11.39
#FFFFFF	11.39	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9E

Deuteranopia (green-blind)

#003599

Tritanopia (blue-blind)

#00445D

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #391f9b;
/* rgb */ color: rgb(57, 31, 155);
/* oklch */ color: oklch(36.9% 0.184 282.1);

Tailwind

colors: {
  custom: {
    50: '#7d5fba',
    500: '#391f9b',
    950: '#000000',
  },
}

SCSS

$custom: #391f9b;
$custom-light: #7d5fba;
$custom-dark: #000000;

JSON

{
  "hex": "#391f9b",
  "rgb": {
    "r": 57,
    "g": 31,
    "b": 155
  },
  "hsl": {
    "h": 252.581,
    "s": 66.667,
    "l": 36.471
  },
  "oklch": {
    "l": 0.36866,
    "c": 0.18442,
    "h": 282.1
  },
  "luminance": 0.04216
}

Semantic roles & 50–950 ramp

primary

#391F9B

secondary

#AAC155

accent

#EA3EC6

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #391F9B

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

Preview Lab → · Contrast checker → · Palette generator →