#391B73#391B73

#391B73 is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.3% C 0.140 H 292.3°. Best body text is #FFFFFF at 13.30:1 contrast (WCAG AA passes).

Color values

HEX	#391B73
RGB	rgb(57, 27, 115)
HSL	hsl(260, 62%, 28%)
HSV	hsv(260, 77%, 45%)
CMYK	cmyk(50.4%, 76.5%, 0%, 54.9%)
CIE-LAB	lab(19.60, 36.02, -45.25)
CIE-LCH	lch(19.60, 57.83, 308.52°)
OKLab	oklab(32.3% 0.0531 -0.1298)
OKLCH	oklch(32.3% 0.14 292.3)
XYZ	xyz(5.1729, 2.8913, 16.5019)
Luminance	0.0289 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391B73 #55731B

analogous

#1B2973 #391B73 #651B73

triadic

#391B73 #73391B #1B7339

tetradic

#391B73 #731B29 #55731B #1B7365

square

#391B73 #731B29 #55731B #1B7365

split-complementary

#391B73 #73651B #29731B

monochromatic

#0C0619 #200F41 #391B73 #5227A5 #6C38D0

Accessibility & contrast

On white

13.30

#391B73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#391B73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391B73

13.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391B73	#FFFFFF	#000000	##FFFFFF
##391B73	1.00	13.30	1.58	13.30
#FFFFFF	13.30	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003176

Deuteranopia (green-blind)

#002E71

Tritanopia (blue-blind)

#273245

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #391b73;
/* rgb */ color: rgb(57, 27, 115);
/* oklch */ color: oklch(32.3% 0.140 292.3);

Tailwind

colors: {
  custom: {
    50: '#765a9c',
    500: '#391b73',
    950: '#000000',
  },
}

SCSS

$custom: #391b73;
$custom-light: #765a9c;
$custom-dark: #000000;

JSON

{
  "hex": "#391b73",
  "rgb": {
    "r": 57,
    "g": 27,
    "b": 115
  },
  "hsl": {
    "h": 260.455,
    "s": 61.972,
    "l": 27.843
  },
  "oklch": {
    "l": 0.32299,
    "c": 0.14025,
    "h": 292.3
  },
  "luminance": 0.02892
}

Semantic roles & 50–950 ramp

primary

#391B73

secondary

#85A842

accent

#E543AE

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040E

muted

#7B797E

Preview Lab

Preview with #391B73

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

Preview Lab → · Contrast checker → · Palette generator →