#391F7C#391F7C

#391F7C is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.7% C 0.147 H 288.8°. Best body text is #FFFFFF at 12.64:1 contrast (WCAG AA passes).

Color values

HEX	#391F7C
RGB	rgb(57, 31, 124)
HSL	hsl(257, 60%, 30%)
HSV	hsv(257, 75%, 49%)
CMYK	cmyk(54%, 75%, 0%, 51.4%)
CIE-LAB	lab(21.23, 36.56, -48.35)
CIE-LCH	lch(21.23, 60.62, 307.09°)
OKLab	oklab(33.71% 0.0472 -0.1389)
OKLCH	oklch(33.71% 0.147 288.8)
XYZ	xyz(5.8144, 3.3048, 19.3964)
Luminance	0.0331 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391F7C #627C1F

analogous

#1F347C #391F7C #671F7C

triadic

#391F7C #7C391F #1F7C39

tetradic

#391F7C #7C1F34 #627C1F #1F7C67

square

#391F7C #7C1F34 #627C1F #1F7C67

split-complementary

#391F7C #7C671F #347C1F

monochromatic

#0C071A #22134B #391F7C #502BAD #6C45D0

Accessibility & contrast

On white

12.64

#391F7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#391F7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391F7C

12.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391F7C	#FFFFFF	#000000	##FFFFFF
##391F7C	1.00	12.64	1.66	12.64
#FFFFFF	12.64	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357F

Deuteranopia (green-blind)

#00317A

Tritanopia (blue-blind)

#20384B

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #391f7c;
/* rgb */ color: rgb(57, 31, 124);
/* oklch */ color: oklch(33.7% 0.147 288.8);

Tailwind

colors: {
  custom: {
    50: '#775da3',
    500: '#391f7c',
    950: '#000000',
  },
}

SCSS

$custom: #391f7c;
$custom-light: #775da3;
$custom-dark: #000000;

JSON

{
  "hex": "#391f7c",
  "rgb": {
    "r": 57,
    "g": 31,
    "b": 124
  },
  "hsl": {
    "h": 256.774,
    "s": 60,
    "l": 30.392
  },
  "oklch": {
    "l": 0.33709,
    "c": 0.14673,
    "h": 288.8
  },
  "luminance": 0.03305
}

Semantic roles & 50–950 ramp

primary

#391F7C

secondary

#92AF48

accent

#E345B7

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #391F7C

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

Preview Lab → · Contrast checker → · Palette generator →