#391C80#391C80

#391C80 is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.7% C 0.155 H 288.3°. Best body text is #FFFFFF at 12.71:1 contrast (WCAG AA passes).

Color values

HEX	#391C80
RGB	rgb(57, 28, 128)
HSL	hsl(257, 64%, 31%)
HSV	hsv(257, 78%, 50%)
CMYK	cmyk(55.5%, 78.1%, 0%, 49.8%)
CIE-LAB	lab(21.05, 39.36, -51.18)
CIE-LCH	lch(21.05, 64.56, 307.56°)
OKLab	oklab(33.71% 0.0487 -0.1472)
OKLCH	oklch(33.71% 0.155 288.3)
XYZ	xyz(5.9977, 3.2586, 20.7308)
Luminance	0.0326 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391C80 #63801C

analogous

#1C3180 #391C80 #6B1C80

triadic

#391C80 #80391C #1C8039

tetradic

#391C80 #801C31 #63801C #1C806B

square

#391C80 #801C31 #63801C #1C806B

split-complementary

#391C80 #806B1C #31801C

monochromatic

#0C061C #23114E #391C80 #4F27B2 #6C41D5

Accessibility & contrast

On white

12.71

#391C80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#391C80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391C80

12.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391C80	#FFFFFF	#000000	##FFFFFF
##391C80	1.00	12.71	1.65	12.71
#FFFFFF	12.71	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003583

Deuteranopia (green-blind)

#00307E

Tritanopia (blue-blind)

#1C384D

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #391c80;
/* rgb */ color: rgb(57, 28, 128);
/* oklch */ color: oklch(33.7% 0.155 288.3);

Tailwind

colors: {
  custom: {
    50: '#785ca6',
    500: '#391c80',
    950: '#000000',
  },
}

SCSS

$custom: #391c80;
$custom-light: #785ca6;
$custom-dark: #000000;

JSON

{
  "hex": "#391c80",
  "rgb": {
    "r": 57,
    "g": 28,
    "b": 128
  },
  "hsl": {
    "h": 257.4,
    "s": 64.103,
    "l": 30.588
  },
  "oklch": {
    "l": 0.33705,
    "c": 0.15504,
    "h": 288.3
  },
  "luminance": 0.03259
}

Semantic roles & 50–950 ramp

primary

#391C80

secondary

#93B344

accent

#E741B7

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #391C80

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

Preview Lab → · Contrast checker → · Palette generator →