#391B9C#391B9C

#391B9C is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.5% C 0.189 H 282.4°. Best body text is #FFFFFF at 11.60:1 contrast (WCAG AA passes).

Color values

HEX	#391B9C
RGB	rgb(57, 27, 156)
HSL	hsl(254, 70%, 36%)
HSV	hsv(254, 83%, 61%)
CMYK	cmyk(63.5%, 82.7%, 0%, 38.8%)
CIE-LAB	lab(23.85, 48.08, -64.00)
CIE-LCH	lch(23.85, 80.04, 306.92°)
OKLab	oklab(36.53% 0.0405 -0.1846)
OKLCH	oklch(36.53% 0.189 282.4)
XYZ	xyz(8.0782, 4.0534, 31.8027)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391B9C #7E9C1B

analogous

#1B3E9C #391B9C #791B9C

triadic

#391B9C #9C391B #1B9C39

tetradic

#391B9C #9C1B3E #7E9C1B #1B9C79

square

#391B9C #9C1B3E #7E9C1B #1B9C79

split-complementary

#391B9C #9C791B #3E9C1B

monochromatic

#130934 #261268 #391B9C #4C24D0 #7251E1

Accessibility & contrast

On white

11.60

#391B9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#391B9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391B9C

11.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391B9C	#FFFFFF	#000000	##FFFFFF
##391B9C	1.00	11.60	1.81	11.60
#FFFFFF	11.60	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9F

Deuteranopia (green-blind)

#00349A

Tritanopia (blue-blind)

#00435D

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #391b9c;
/* rgb */ color: rgb(57, 27, 156);
/* oklch */ color: oklch(36.5% 0.189 282.4);

Tailwind

colors: {
  custom: {
    50: '#7d5dba',
    500: '#391b9c',
    950: '#000000',
  },
}

SCSS

$custom: #391b9c;
$custom-light: #7d5dba;
$custom-dark: #000000;

JSON

{
  "hex": "#391b9c",
  "rgb": {
    "r": 57,
    "g": 27,
    "b": 156
  },
  "hsl": {
    "h": 253.953,
    "s": 70.492,
    "l": 35.882
  },
  "oklch": {
    "l": 0.36534,
    "c": 0.18899,
    "h": 282.4
  },
  "luminance": 0.04054
}

Semantic roles & 50–950 ramp

primary

#391B9C

secondary

#A8C34F

accent

#ED3BC4

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #391B9C

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

Preview Lab → · Contrast checker → · Palette generator →