#391F77#391F77

#391F77 is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.2% C 0.140 H 290.1°. Best body text is #FFFFFF at 12.83:1 contrast (WCAG AA passes).

Color values

HEX	#391F77
RGB	rgb(57, 31, 119)
HSL	hsl(258, 59%, 29%)
HSV	hsv(258, 74%, 47%)
CMYK	cmyk(52.1%, 73.9%, 0%, 53.3%)
CIE-LAB	lab(20.76, 35.03, -45.93)
CIE-LCH	lch(20.76, 57.77, 307.33°)
OKLab	oklab(33.23% 0.0483 -0.1318)
OKLCH	oklch(33.23% 0.14 290.1)
XYZ	xyz(5.5061, 3.1815, 17.7732)
Luminance	0.0318 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391F77 #5D771F

analogous

#1F3177 #391F77 #651F77

triadic

#391F77 #77391F #1F7739

tetradic

#391F77 #771F31 #5D771F #1F7765

square

#391F77 #771F31 #5D771F #1F7765

split-complementary

#391F77 #77651F #31771F

monochromatic

#0C0618 #221246 #391F77 #502CA8 #6C43CE

Accessibility & contrast

On white

12.83

#391F77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#391F77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391F77

12.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391F77	#FFFFFF	#000000	##FFFFFF
##391F77	1.00	12.83	1.64	12.83
#FFFFFF	12.83	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347A

Deuteranopia (green-blind)

#003075

Tritanopia (blue-blind)

#243649

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #391f77;
/* rgb */ color: rgb(57, 31, 119);
/* oklch */ color: oklch(33.2% 0.140 290.1);

Tailwind

colors: {
  custom: {
    50: '#765d9f',
    500: '#391f77',
    950: '#000000',
  },
}

SCSS

$custom: #391f77;
$custom-light: #765d9f;
$custom-dark: #000000;

JSON

{
  "hex": "#391f77",
  "rgb": {
    "r": 57,
    "g": 31,
    "b": 119
  },
  "hsl": {
    "h": 257.727,
    "s": 58.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.33232,
    "c": 0.14041,
    "h": 290.1
  },
  "luminance": 0.03182
}

Semantic roles & 50–950 ramp

primary

#391F77

secondary

#8DAB47

accent

#E246B4

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040F

muted

#7B797E

Preview Lab

Preview with #391F77

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

Preview Lab → · Contrast checker → · Palette generator →