#391B6B#391B6B

#391B6B is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.5% C 0.130 H 295.0°. Best body text is #FFFFFF at 13.61:1 contrast (WCAG AA passes).

Color values

HEX	#391B6B
RGB	rgb(57, 27, 107)
HSL	hsl(263, 60%, 26%)
HSV	hsv(263, 75%, 42%)
CMYK	cmyk(46.7%, 74.8%, 0%, 58%)
CIE-LAB	lab(18.86, 33.66, -41.27)
CIE-LCH	lch(18.86, 53.26, 309.21°)
OKLab	oklab(31.55% 0.055 -0.1181)
OKLCH	oklch(31.55% 0.13 295)
XYZ	xyz(4.7324, 2.7151, 14.1818)
Luminance	0.0272 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue

#191970

ΔE00 5.33

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391B6B #4D6B1B

analogous

#1B256B #391B6B #611B6B

triadic

#391B6B #6B391B #1B6B39

tetradic

#391B6B #6B1B25 #4D6B1B #1B6B61

square

#391B6B #6B1B25 #4D6B1B #1B6B61

split-complementary

#391B6B #6B611B #256B1B

monochromatic

#0D0618 #1F0F3A #391B6B #53279C #6D35CC

Accessibility & contrast

On white

13.61

#391B6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#391B6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391B6B

13.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391B6B	#FFFFFF	#000000	##FFFFFF
##391B6B	1.00	13.61	1.54	13.61
#FFFFFF	13.61	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F6D

Deuteranopia (green-blind)

#002D69

Tritanopia (blue-blind)

#2B2F41

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #391b6b;
/* rgb */ color: rgb(57, 27, 107);
/* oklch */ color: oklch(31.5% 0.130 295.0);

Tailwind

colors: {
  custom: {
    50: '#755a96',
    500: '#391b6b',
    950: '#000000',
  },
}

SCSS

$custom: #391b6b;
$custom-light: #755a96;
$custom-dark: #000000;

JSON

{
  "hex": "#391b6b",
  "rgb": {
    "r": 57,
    "g": 27,
    "b": 107
  },
  "hsl": {
    "h": 262.5,
    "s": 59.701,
    "l": 26.275
  },
  "oklch": {
    "l": 0.31548,
    "c": 0.13029,
    "h": 295
  },
  "luminance": 0.02715
}

Semantic roles & 50–950 ramp

primary

#391B6B

secondary

#7DA042

accent

#E345A8

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040D

muted

#7B797E

Preview Lab

Preview with #391B6B

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

Preview Lab → · Contrast checker → · Palette generator →