#391666#391666

#391666 is a dark, vivid violet. Relative luminance 0.024; OKLCH L 30.4% C 0.130 H 298.0°. Best body text is #FFFFFF at 14.18:1 contrast (WCAG AA passes).

Color values

HEX	#391666
RGB	rgb(57, 22, 102)
HSL	hsl(266, 65%, 24%)
HSV	hsv(266, 78%, 40%)
CMYK	cmyk(44.1%, 78.4%, 0%, 60%)
CIE-LAB	lab(17.47, 34.87, -40.26)
CIE-LCH	lch(17.47, 53.26, 310.89°)
OKLab	oklab(30.42% 0.0613 -0.1151)
OKLCH	oklch(30.42% 0.13 298)
XYZ	xyz(4.3719, 2.4029, 12.8013)
Luminance	0.0240 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391666 #436616

analogous

#161B66 #391666 #611666

triadic

#391666 #663916 #166639

tetradic

#391666 #66161B #436616 #166661

square

#391666 #66161B #436616 #166661

split-complementary

#391666 #666116 #1B6616

monochromatic

#0E0519 #1D0B34 #391666 #552198 #712CCB

Accessibility & contrast

On white

14.18

#391666 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#391666 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391666

14.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391666	#FFFFFF	#000000	##FFFFFF
##391666	1.00	14.18	1.48	14.18
#FFFFFF	14.18	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B68

Deuteranopia (green-blind)

#002A64

Tritanopia (blue-blind)

#2E2B3D

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #391666;
/* rgb */ color: rgb(57, 22, 102);
/* oklch */ color: oklch(30.4% 0.130 298.0);

Tailwind

colors: {
  custom: {
    50: '#745792',
    500: '#391666',
    950: '#000000',
  },
}

SCSS

$custom: #391666;
$custom-light: #745792;
$custom-dark: #000000;

JSON

{
  "hex": "#391666",
  "rgb": {
    "r": 57,
    "g": 22,
    "b": 102
  },
  "hsl": {
    "h": 266.25,
    "s": 64.516,
    "l": 24.314
  },
  "oklch": {
    "l": 0.30422,
    "c": 0.13045,
    "h": 298
  },
  "luminance": 0.02403
}

Semantic roles & 50–950 ramp

primary

#391666

secondary

#729D3B

accent

#E8409E

background

#F7F5F9

surface

#EDE9F1

border

#C8C5CB

text

#09030D

muted

#7B787E

Preview Lab

Preview with #391666

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

Preview Lab → · Contrast checker → · Palette generator →