#391C81#391C81

#391C81 is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.8% C 0.156 H 288.1°. Best body text is #FFFFFF at 12.67:1 contrast (WCAG AA passes).

Color values

HEX	#391C81
RGB	rgb(57, 28, 129)
HSL	hsl(257, 64%, 31%)
HSV	hsv(257, 78%, 51%)
CMYK	cmyk(55.8%, 78.3%, 0%, 49.4%)
CIE-LAB	lab(21.15, 39.66, -51.65)
CIE-LCH	lch(21.15, 65.11, 307.52°)
OKLab	oklab(33.81% 0.0484 -0.1486)
OKLCH	oklch(33.81% 0.156 288.1)
XYZ	xyz(6.0639, 3.2850, 21.0792)
Luminance	0.0328 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.59

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391C81 #64811C

analogous

#1C3181 #391C81 #6B1C81

triadic

#391C81 #81391C #1C8139

tetradic

#391C81 #811C31 #64811C #1C816B

square

#391C81 #811C31 #64811C #1C816B

split-complementary

#391C81 #816B1C #31811C

monochromatic

#0D061C #23114F #391C81 #4F27B3 #6C42D6

Accessibility & contrast

On white

12.67

#391C81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#391C81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391C81

12.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391C81	#FFFFFF	#000000	##FFFFFF
##391C81	1.00	12.67	1.66	12.67
#FFFFFF	12.67	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003584

Deuteranopia (green-blind)

#00307F

Tritanopia (blue-blind)

#1B384D

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #391c81;
/* rgb */ color: rgb(57, 28, 129);
/* oklch */ color: oklch(33.8% 0.156 288.1);

Tailwind

colors: {
  custom: {
    50: '#785ca7',
    500: '#391c81',
    950: '#000000',
  },
}

SCSS

$custom: #391c81;
$custom-light: #785ca7;
$custom-dark: #000000;

JSON

{
  "hex": "#391c81",
  "rgb": {
    "r": 57,
    "g": 28,
    "b": 129
  },
  "hsl": {
    "h": 257.228,
    "s": 64.331,
    "l": 30.784
  },
  "oklch": {
    "l": 0.33805,
    "c": 0.15625,
    "h": 288.1
  },
  "luminance": 0.03285
}

Semantic roles & 50–950 ramp

primary

#391C81

secondary

#94B444

accent

#E740B7

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #391C81

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

Preview Lab → · Contrast checker → · Palette generator →