#391DAE#391DAE

#391DAE is a dark, highly saturated violet. Relative luminance 0.048; OKLCH L 38.7% C 0.208 H 279.3°. Best body text is #FFFFFF at 10.71:1 contrast (WCAG AA passes).

Color values

HEX	#391DAE
RGB	rgb(57, 29, 174)
HSL	hsl(252, 71%, 40%)
HSV	hsv(252, 83%, 68%)
CMYK	cmyk(67.2%, 83.3%, 0%, 31.8%)
CIE-LAB	lab(26.17, 52.41, -71.07)
CIE-LCH	lch(26.17, 88.31, 306.41°)
OKLab	oklab(38.73% 0.0336 -0.2052)
OKLCH	oklch(38.73% 0.208 279.3)
XYZ	xyz(9.7642, 4.8038, 40.4489)
Luminance	0.0481 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391DAE #92AE1D

analogous

#1D4AAE #391DAE #811DAE

triadic

#391DAE #AE391D #1DAE39

tetradic

#391DAE #AE1D4A #92AE1D #1DAE81

square

#391DAE #AE1D4A #92AE1D #1DAE81

split-complementary

#391DAE #AE811D #4AAE1D

monochromatic

#170C45 #28147A #391DAE #4E2CDC #7A61E5

Accessibility & contrast

On white

10.71

#391DAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#391DAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391DAE

10.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391DAE	#FFFFFF	#000000	##FFFFFF
##391DAE	1.00	10.71	1.96	10.71
#FFFFFF	10.71	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B2

Deuteranopia (green-blind)

#0038AC

Tritanopia (blue-blind)

#004B68

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #391dae;
/* rgb */ color: rgb(57, 29, 174);
/* oklch */ color: oklch(38.7% 0.208 279.3);

Tailwind

colors: {
  custom: {
    50: '#815fc8',
    500: '#391dae',
    950: '#000000',
  },
}

SCSS

$custom: #391dae;
$custom-light: #815fc8;
$custom-dark: #000000;

JSON

{
  "hex": "#391dae",
  "rgb": {
    "r": 57,
    "g": 29,
    "b": 174
  },
  "hsl": {
    "h": 251.586,
    "s": 71.429,
    "l": 39.804
  },
  "oklch": {
    "l": 0.38727,
    "c": 0.20794,
    "h": 279.3
  },
  "luminance": 0.04805
}

Semantic roles & 50–950 ramp

primary

#391DAE

secondary

#B4C95E

accent

#EE3ACB

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #391DAE

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

Preview Lab → · Contrast checker → · Palette generator →