#391FA6#391FA6

#391FA6 is a dark, vivid violet. Relative luminance 0.046; OKLCH L 38.1% C 0.197 H 280.3°. Best body text is #FFFFFF at 10.93:1 contrast (WCAG AA passes).

Color values

HEX	#391FA6
RGB	rgb(57, 31, 166)
HSL	hsl(252, 69%, 39%)
HSV	hsv(252, 81%, 65%)
CMYK	cmyk(65.7%, 81.3%, 0%, 34.9%)
CIE-LAB	lab(25.57, 49.20, -67.24)
CIE-LCH	lch(25.57, 83.32, 306.20°)
OKLab	oklab(38.05% 0.0352 -0.1941)
OKLCH	oklch(38.05% 0.197 280.3)
XYZ	xyz(9.0581, 4.6023, 36.4800)
Luminance	0.0460 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391FA6 #8CA61F

analogous

#1F48A6 #391FA6 #7C1FA6

triadic

#391FA6 #A6391F #1FA639

tetradic

#391FA6 #A61F48 #8CA61F #1FA67C

square

#391FA6 #A61F48 #8CA61F #1FA67C

split-complementary

#391FA6 #A67C1F #48A61F

monochromatic

#160C3F #271572 #391FA6 #4C2BD7 #785EE1

Accessibility & contrast

On white

10.93

#391FA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#391FA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391FA6

10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391FA6	#FFFFFF	#000000	##FFFFFF
##391FA6	1.00	10.93	1.92	10.93
#FFFFFF	10.93	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041AA

Deuteranopia (green-blind)

#0037A4

Tritanopia (blue-blind)

#004963

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #391fa6;
/* rgb */ color: rgb(57, 31, 166);
/* oklch */ color: oklch(38.1% 0.197 280.3);

Tailwind

colors: {
  custom: {
    50: '#7f60c2',
    500: '#391fa6',
    950: '#000000',
  },
}

SCSS

$custom: #391fa6;
$custom-light: #7f60c2;
$custom-dark: #000000;

JSON

{
  "hex": "#391fa6",
  "rgb": {
    "r": 57,
    "g": 31,
    "b": 166
  },
  "hsl": {
    "h": 251.556,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.38051,
    "c": 0.19726,
    "h": 280.3
  },
  "luminance": 0.04603
}

Semantic roles & 50–950 ramp

primary

#391FA6

secondary

#B1C55B

accent

#EB3CCA

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #391FA6

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

Preview Lab → · Contrast checker → · Palette generator →