#391B72#391B72

#391B72 is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.2% C 0.139 H 292.6°. Best body text is #FFFFFF at 13.34:1 contrast (WCAG AA passes).

Color values

HEX	#391B72
RGB	rgb(57, 27, 114)
HSL	hsl(261, 62%, 28%)
HSV	hsv(261, 76%, 45%)
CMYK	cmyk(50%, 76.3%, 0%, 55.3%)
CIE-LAB	lab(19.51, 35.72, -44.76)
CIE-LCH	lch(19.51, 57.26, 308.60°)
OKLab	oklab(32.2% 0.0534 -0.1284)
OKLCH	oklch(32.2% 0.139 292.6)
XYZ	xyz(5.1157, 2.8685, 16.2005)
Luminance	0.0287 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391B72 #54721B

analogous

#1B2872 #391B72 #651B72

triadic

#391B72 #72391B #1B7239

tetradic

#391B72 #721B28 #54721B #1B7265

square

#391B72 #721B28 #54721B #1B7265

split-complementary

#391B72 #72651B #28721B

monochromatic

#0C0619 #200F41 #391B72 #5227A3 #6C38D0

Accessibility & contrast

On white

13.34

#391B72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#391B72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391B72

13.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391B72	#FFFFFF	#000000	##FFFFFF
##391B72	1.00	13.34	1.57	13.34
#FFFFFF	13.34	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003075

Deuteranopia (green-blind)

#002E70

Tritanopia (blue-blind)

#273245

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #391b72;
/* rgb */ color: rgb(57, 27, 114);
/* oklch */ color: oklch(32.2% 0.139 292.6);

Tailwind

colors: {
  custom: {
    50: '#765a9b',
    500: '#391b72',
    950: '#000000',
  },
}

SCSS

$custom: #391b72;
$custom-light: #765a9b;
$custom-dark: #000000;

JSON

{
  "hex": "#391b72",
  "rgb": {
    "r": 57,
    "g": 27,
    "b": 114
  },
  "hsl": {
    "h": 260.69,
    "s": 61.702,
    "l": 27.647
  },
  "oklch": {
    "l": 0.32204,
    "c": 0.13901,
    "h": 292.6
  },
  "luminance": 0.02869
}

Semantic roles & 50–950 ramp

primary

#391B72

secondary

#84A742

accent

#E543AD

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040E

muted

#7B797E

Preview Lab

Preview with #391B72

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

Preview Lab → · Contrast checker → · Palette generator →