#391DA1#391DA1

#391DA1 is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.3% C 0.193 H 281.3°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#391DA1
RGB	rgb(57, 29, 161)
HSL	hsl(253, 69%, 37%)
HSV	hsv(253, 82%, 63%)
CMYK	cmyk(64.6%, 82%, 0%, 36.9%)
CIE-LAB	lab(24.71, 48.64, -65.63)
CIE-LCH	lch(24.71, 81.69, 306.55°)
OKLab	oklab(37.29% 0.0378 -0.1894)
OKLCH	oklch(37.29% 0.193 281.3)
XYZ	xyz(8.5577, 4.3211, 34.0944)
Luminance	0.0432 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391DA1 #85A11D

analogous

#1D43A1 #391DA1 #7B1DA1

triadic

#391DA1 #A1391D #1DA139

tetradic

#391DA1 #A11D43 #85A11D #1DA17B

square

#391DA1 #A11D43 #85A11D #1DA17B

split-complementary

#391DA1 #A17B1D #43A11D

monochromatic

#140A39 #27146D #391DA1 #4B26D5 #7558E1

Accessibility & contrast

On white

11.26

#391DA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#391DA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391DA1

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391DA1	#FFFFFF	#000000	##FFFFFF
##391DA1	1.00	11.26	1.86	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA5

Deuteranopia (green-blind)

#00369F

Tritanopia (blue-blind)

#004660

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #391da1;
/* rgb */ color: rgb(57, 29, 161);
/* oklch */ color: oklch(37.3% 0.193 281.3);

Tailwind

colors: {
  custom: {
    50: '#7e5ebe',
    500: '#391da1',
    950: '#000000',
  },
}

SCSS

$custom: #391da1;
$custom-light: #7e5ebe;
$custom-dark: #000000;

JSON

{
  "hex": "#391da1",
  "rgb": {
    "r": 57,
    "g": 29,
    "b": 161
  },
  "hsl": {
    "h": 252.727,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.37291,
    "c": 0.19312,
    "h": 281.3
  },
  "luminance": 0.04322
}

Semantic roles & 50–950 ramp

primary

#391DA1

secondary

#ADC455

accent

#EC3CC7

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #391DA1

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

Preview Lab → · Contrast checker → · Palette generator →