#391D66#391D66

#391D66 is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.4% C 0.121 H 296.3°. Best body text is #FFFFFF at 13.62:1 contrast (WCAG AA passes).

Color values

HEX	#391D66
RGB	rgb(57, 29, 102)
HSL	hsl(263, 56%, 26%)
HSV	hsv(263, 72%, 40%)
CMYK	cmyk(44.1%, 71.6%, 0%, 60%)
CIE-LAB	lab(18.83, 31.06, -38.05)
CIE-LCH	lch(18.83, 49.12, 309.23°)
OKLab	oklab(31.39% 0.0537 -0.1087)
OKLCH	oklch(31.39% 0.121 296.3)
XYZ	xyz(4.5244, 2.7078, 12.8521)
Luminance	0.0271 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391D66 #4A661D

analogous

#1D2566 #391D66 #5D1D66

triadic

#391D66 #66391D #1D6639

tetradic

#391D66 #661D25 #4A661D #1D665D

square

#391D66 #661D25 #4A661D #1D665D

split-complementary

#391D66 #665D1D #25661D

monochromatic

#0D0718 #1E0F36 #391D66 #542B96 #6E38C5

Accessibility & contrast

On white

13.62

#391D66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#391D66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391D66

13.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391D66	#FFFFFF	#000000	##FFFFFF
##391D66	1.00	13.62	1.54	13.62
#FFFFFF	13.62	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E68

Deuteranopia (green-blind)

#002D64

Tritanopia (blue-blind)

#2D2E3F

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #391d66;
/* rgb */ color: rgb(57, 29, 102);
/* oklch */ color: oklch(31.4% 0.121 296.3);

Tailwind

colors: {
  custom: {
    50: '#745b92',
    500: '#391d66',
    950: '#000000',
  },
}

SCSS

$custom: #391d66;
$custom-light: #745b92;
$custom-dark: #000000;

JSON

{
  "hex": "#391d66",
  "rgb": {
    "r": 57,
    "g": 29,
    "b": 102
  },
  "hsl": {
    "h": 263.014,
    "s": 55.725,
    "l": 25.686
  },
  "oklch": {
    "l": 0.31389,
    "c": 0.12122,
    "h": 296.3
  },
  "luminance": 0.02708
}

Semantic roles & 50–950 ramp

primary

#391D66

secondary

#7A9B44

accent

#DF49A5

background

#F7F5F9

surface

#EDE9F1

border

#C8C5CB

text

#08040D

muted

#7B797E

Preview Lab

Preview with #391D66

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

Preview Lab → · Contrast checker → · Palette generator →