#391DAD#391DAD

#391DAD is a dark, highly saturated violet. Relative luminance 0.048; OKLCH L 38.6% C 0.207 H 279.4°. Best body text is #FFFFFF at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#391DAD
RGB	rgb(57, 29, 173)
HSL	hsl(252, 71%, 40%)
HSV	hsv(252, 83%, 68%)
CMYK	cmyk(67.1%, 83.2%, 0%, 32.2%)
CIE-LAB	lab(26.05, 52.13, -70.66)
CIE-LCH	lch(26.05, 87.80, 306.42°)
OKLab	oklab(38.62% 0.0339 -0.204)
OKLCH	oklch(38.62% 0.207 279.4)
XYZ	xyz(9.6671, 4.7649, 39.9373)
Luminance	0.0477 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391DAD #91AD1D

analogous

#1D49AD #391DAD #811DAD

triadic

#391DAD #AD391D #1DAD39

tetradic

#391DAD #AD1D49 #91AD1D #1DAD81

square

#391DAD #AD1D49 #91AD1D #1DAD81

split-complementary

#391DAD #AD811D #49AD1D

monochromatic

#160B44 #281479 #391DAD #4E2CDC #7A60E4

Accessibility & contrast

On white

10.75

#391DAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#391DAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391DAD

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391DAD	#FFFFFF	#000000	##FFFFFF
##391DAD	1.00	10.75	1.95	10.75
#FFFFFF	10.75	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B1

Deuteranopia (green-blind)

#0038AB

Tritanopia (blue-blind)

#004B67

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #391dad;
/* rgb */ color: rgb(57, 29, 173);
/* oklch */ color: oklch(38.6% 0.207 279.4);

Tailwind

colors: {
  custom: {
    50: '#815fc7',
    500: '#391dad',
    950: '#000000',
  },
}

SCSS

$custom: #391dad;
$custom-light: #815fc7;
$custom-dark: #000000;

JSON

{
  "hex": "#391dad",
  "rgb": {
    "r": 57,
    "g": 29,
    "b": 173
  },
  "hsl": {
    "h": 251.667,
    "s": 71.287,
    "l": 39.608
  },
  "oklch": {
    "l": 0.38616,
    "c": 0.20681,
    "h": 279.4
  },
  "luminance": 0.04766
}

Semantic roles & 50–950 ramp

primary

#391DAD

secondary

#B4C95D

accent

#EE3ACB

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #391DAD

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

Preview Lab → · Contrast checker → · Palette generator →