#391B70#391B70

#391B70 is a dark, vivid violet. Relative luminance 0.028; OKLCH L 32.0% C 0.137 H 293.2°. Best body text is #FFFFFF at 13.42:1 contrast (WCAG AA passes).

Color values

HEX	#391B70
RGB	rgb(57, 27, 112)
HSL	hsl(261, 61%, 27%)
HSV	hsv(261, 76%, 44%)
CMYK	cmyk(49.1%, 75.9%, 0%, 56.1%)
CIE-LAB	lab(19.32, 35.13, -43.77)
CIE-LCH	lch(19.32, 56.13, 308.75°)
OKLab	oklab(32.01% 0.0539 -0.1255)
OKLCH	oklch(32.01% 0.137 293.2)
XYZ	xyz(5.0031, 2.8234, 15.6075)
Luminance	0.0282 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391B70 #52701B

analogous

#1B2870 #391B70 #631B70

triadic

#391B70 #70391B #1B7039

tetradic

#391B70 #701B28 #52701B #1B7063

square

#391B70 #701B28 #52701B #1B7063

split-complementary

#391B70 #70631B #28701B

monochromatic

#0D0619 #200F3F #391B70 #5227A1 #6C37CF

Accessibility & contrast

On white

13.42

#391B70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#391B70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391B70

13.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391B70	#FFFFFF	#000000	##FFFFFF
##391B70	1.00	13.42	1.56	13.42
#FFFFFF	13.42	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003072

Deuteranopia (green-blind)

#002D6E

Tritanopia (blue-blind)

#283144

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #391b70;
/* rgb */ color: rgb(57, 27, 112);
/* oklch */ color: oklch(32.0% 0.137 293.2);

Tailwind

colors: {
  custom: {
    50: '#755a9a',
    500: '#391b70',
    950: '#000000',
  },
}

SCSS

$custom: #391b70;
$custom-light: #755a9a;
$custom-dark: #000000;

JSON

{
  "hex": "#391b70",
  "rgb": {
    "r": 57,
    "g": 27,
    "b": 112
  },
  "hsl": {
    "h": 261.176,
    "s": 61.151,
    "l": 27.255
  },
  "oklch": {
    "l": 0.32014,
    "c": 0.13653,
    "h": 293.2
  },
  "luminance": 0.02824
}

Semantic roles & 50–950 ramp

primary

#391B70

secondary

#82A542

accent

#E444AC

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040E

muted

#7B797E

Preview Lab

Preview with #391B70

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

Preview Lab → · Contrast checker → · Palette generator →