#391F7D#391F7D

#391F7D is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.8% C 0.148 H 288.5°. Best body text is #FFFFFF at 12.61:1 contrast (WCAG AA passes).

Color values

HEX	#391F7D
RGB	rgb(57, 31, 125)
HSL	hsl(257, 60%, 31%)
HSV	hsv(257, 75%, 49%)
CMYK	cmyk(54.4%, 75.2%, 0%, 51%)
CIE-LAB	lab(21.32, 36.86, -48.83)
CIE-LCH	lch(21.32, 61.18, 307.05°)
OKLab	oklab(33.81% 0.047 -0.1403)
OKLCH	oklch(33.81% 0.148 288.5)
XYZ	xyz(5.8779, 3.3302, 19.7311)
Luminance	0.0333 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391F7D #637D1F

analogous

#1F347D #391F7D #681F7D

triadic

#391F7D #7D391F #1F7D39

tetradic

#391F7D #7D1F34 #637D1F #1F7D68

square

#391F7D #7D1F34 #637D1F #1F7D68

split-complementary

#391F7D #7D681F #347D1F

monochromatic

#0C071B #23134C #391F7D #4F2BAE #6C45D1

Accessibility & contrast

On white

12.61

#391F7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#391F7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391F7D

12.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391F7D	#FFFFFF	#000000	##FFFFFF
##391F7D	1.00	12.61	1.67	12.61
#FFFFFF	12.61	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003580

Deuteranopia (green-blind)

#00317B

Tritanopia (blue-blind)

#1F384C

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #391f7d;
/* rgb */ color: rgb(57, 31, 125);
/* oklch */ color: oklch(33.8% 0.148 288.5);

Tailwind

colors: {
  custom: {
    50: '#775da4',
    500: '#391f7d',
    950: '#000000',
  },
}

SCSS

$custom: #391f7d;
$custom-light: #775da4;
$custom-dark: #000000;

JSON

{
  "hex": "#391f7d",
  "rgb": {
    "r": 57,
    "g": 31,
    "b": 125
  },
  "hsl": {
    "h": 256.596,
    "s": 60.256,
    "l": 30.588
  },
  "oklch": {
    "l": 0.33805,
    "c": 0.14799,
    "h": 288.5
  },
  "luminance": 0.0333
}

Semantic roles & 50–950 ramp

primary

#391F7D

secondary

#93B048

accent

#E344B7

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #391F7D

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

Preview Lab → · Contrast checker → · Palette generator →