#391B9F#391B9F

#391B9F is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.9% C 0.192 H 281.8°. Best body text is #FFFFFF at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#391B9F
RGB	rgb(57, 27, 159)
HSL	hsl(254, 71%, 36%)
HSV	hsv(254, 83%, 62%)
CMYK	cmyk(64.2%, 83%, 0%, 37.6%)
CIE-LAB	lab(24.18, 48.95, -65.28)
CIE-LCH	lch(24.18, 81.59, 306.86°)
OKLab	oklab(36.86% 0.0395 -0.1883)
OKLCH	oklch(36.86% 0.192 281.8)
XYZ	xyz(8.3353, 4.1563, 33.1572)
Luminance	0.0416 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391B9F #819F1B

analogous

#1B3F9F #391B9F #7B1B9F

triadic

#391B9F #9F391B #1B9F39

tetradic

#391B9F #9F1B3F #819F1B #1B9F7B

square

#391B9F #9F1B3F #819F1B #1B9F7B

split-complementary

#391B9F #9F7B1B #3F9F1B

monochromatic

#130936 #26126B #391B9F #4C24D3 #7353E2

Accessibility & contrast

On white

11.47

#391B9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#391B9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391B9F

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391B9F	#FFFFFF	#000000	##FFFFFF
##391B9F	1.00	11.47	1.83	11.47
#FFFFFF	11.47	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA3

Deuteranopia (green-blind)

#00359D

Tritanopia (blue-blind)

#00445E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #391b9f;
/* rgb */ color: rgb(57, 27, 159);
/* oklch */ color: oklch(36.9% 0.192 281.8);

Tailwind

colors: {
  custom: {
    50: '#7e5dbd',
    500: '#391b9f',
    950: '#000000',
  },
}

SCSS

$custom: #391b9f;
$custom-light: #7e5dbd;
$custom-dark: #000000;

JSON

{
  "hex": "#391b9f",
  "rgb": {
    "r": 57,
    "g": 27,
    "b": 159
  },
  "hsl": {
    "h": 253.636,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.36863,
    "c": 0.19243,
    "h": 281.8
  },
  "luminance": 0.04157
}

Semantic roles & 50–950 ramp

primary

#391B9F

secondary

#AAC551

accent

#EE3AC5

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #391B9F

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

Preview Lab → · Contrast checker → · Palette generator →