#391B9A#391B9A

#391B9A is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.3% C 0.187 H 282.7°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#391B9A
RGB	rgb(57, 27, 154)
HSL	hsl(254, 70%, 35%)
HSV	hsv(254, 82%, 60%)
CMYK	cmyk(63%, 82.5%, 0%, 39.6%)
CIE-LAB	lab(23.63, 47.50, -63.14)
CIE-LCH	lch(23.63, 79.01, 306.95°)
OKLab	oklab(36.32% 0.0412 -0.1821)
OKLCH	oklch(36.32% 0.187 282.7)
XYZ	xyz(7.9102, 3.9863, 30.9182)
Luminance	0.0399 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391B9A #7C9A1B

analogous

#1B3D9A #391B9A #781B9A

triadic

#391B9A #9A391B #1B9A39

tetradic

#391B9A #9A1B3D #7C9A1B #1B9A78

square

#391B9A #9A1B3D #7C9A1B #1B9A78

split-complementary

#391B9A #9A781B #3D9A1B

monochromatic

#120932 #261266 #391B9A #4C24CE #714FE0

Accessibility & contrast

On white

11.68

#391B9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#391B9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391B9A

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391B9A	#FFFFFF	#000000	##FFFFFF
##391B9A	1.00	11.68	1.80	11.68
#FFFFFF	11.68	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C9D

Deuteranopia (green-blind)

#003498

Tritanopia (blue-blind)

#00425C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #391b9a;
/* rgb */ color: rgb(57, 27, 154);
/* oklch */ color: oklch(36.3% 0.187 282.7);

Tailwind

colors: {
  custom: {
    50: '#7d5db9',
    500: '#391b9a',
    950: '#000000',
  },
}

SCSS

$custom: #391b9a;
$custom-light: #7d5db9;
$custom-dark: #000000;

JSON

{
  "hex": "#391b9a",
  "rgb": {
    "r": 57,
    "g": 27,
    "b": 154
  },
  "hsl": {
    "h": 254.173,
    "s": 70.166,
    "l": 35.49
  },
  "oklch": {
    "l": 0.36316,
    "c": 0.18669,
    "h": 282.7
  },
  "luminance": 0.03987
}

Semantic roles & 50–950 ramp

primary

#391B9A

secondary

#A7C34E

accent

#ED3BC3

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #391B9A

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

Preview Lab → · Contrast checker → · Palette generator →