#391B74#391B74

#391B74 is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.4% C 0.141 H 291.9°. Best body text is #FFFFFF at 13.27:1 contrast (WCAG AA passes).

Color values

HEX	#391B74
RGB	rgb(57, 27, 116)
HSL	hsl(260, 62%, 28%)
HSV	hsv(260, 77%, 45%)
CMYK	cmyk(50.9%, 76.7%, 0%, 54.5%)
CIE-LAB	lab(19.70, 36.32, -45.74)
CIE-LCH	lch(19.70, 58.40, 308.45°)
OKLab	oklab(32.4% 0.0529 -0.1312)
OKLCH	oklch(32.4% 0.141 291.9)
XYZ	xyz(5.2308, 2.9145, 16.8066)
Luminance	0.0291 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391B74 #56741B

analogous

#1B2974 #391B74 #651B74

triadic

#391B74 #74391B #1B7439

tetradic

#391B74 #741B29 #56741B #1B7465

square

#391B74 #741B29 #56741B #1B7465

split-complementary

#391B74 #74651B #29741B

monochromatic

#0C0619 #210F42 #391B74 #5127A6 #6C39D1

Accessibility & contrast

On white

13.27

#391B74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#391B74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391B74

13.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391B74	#FFFFFF	#000000	##FFFFFF
##391B74	1.00	13.27	1.58	13.27
#FFFFFF	13.27	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003177

Deuteranopia (green-blind)

#002E72

Tritanopia (blue-blind)

#263346

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #391b74;
/* rgb */ color: rgb(57, 27, 116);
/* oklch */ color: oklch(32.4% 0.141 291.9);

Tailwind

colors: {
  custom: {
    50: '#765b9d',
    500: '#391b74',
    950: '#000000',
  },
}

SCSS

$custom: #391b74;
$custom-light: #765b9d;
$custom-dark: #000000;

JSON

{
  "hex": "#391b74",
  "rgb": {
    "r": 57,
    "g": 27,
    "b": 116
  },
  "hsl": {
    "h": 260.225,
    "s": 62.238,
    "l": 28.039
  },
  "oklch": {
    "l": 0.32395,
    "c": 0.14149,
    "h": 291.9
  },
  "luminance": 0.02915
}

Semantic roles & 50–950 ramp

primary

#391B74

secondary

#86A942

accent

#E542AE

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040E

muted

#7B797E

Preview Lab

Preview with #391B74

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

Preview Lab → · Contrast checker → · Palette generator →