#391DA8#391DA8

#391DA8 is a dark, highly saturated violet. Relative luminance 0.046; OKLCH L 38.1% C 0.201 H 280.2°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#391DA8
RGB	rgb(57, 29, 168)
HSL	hsl(252, 71%, 39%)
HSV	hsv(252, 83%, 66%)
CMYK	cmyk(66.1%, 82.7%, 0%, 34.1%)
CIE-LAB	lab(25.49, 50.68, -68.58)
CIE-LCH	lch(25.49, 85.28, 306.46°)
OKLab	oklab(38.06% 0.0355 -0.198)
OKLCH	oklch(38.06% 0.201 280.2)
XYZ	xyz(9.1923, 4.5750, 37.4368)
Luminance	0.0458 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391DA8 #8CA81D

analogous

#1D47A8 #391DA8 #7E1DA8

triadic

#391DA8 #A8391D #1DA839

tetradic

#391DA8 #A81D47 #8CA81D #1DA87E

square

#391DA8 #A81D47 #8CA81D #1DA87E

split-complementary

#391DA8 #A87E1D #47A81D

monochromatic

#160B40 #271474 #391DA8 #4C28DA #785CE3

Accessibility & contrast

On white

10.96

#391DA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#391DA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391DA8

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391DA8	#FFFFFF	#000000	##FFFFFF
##391DA8	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041AC

Deuteranopia (green-blind)

#0037A6

Tritanopia (blue-blind)

#004964

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #391da8;
/* rgb */ color: rgb(57, 29, 168);
/* oklch */ color: oklch(38.1% 0.201 280.2);

Tailwind

colors: {
  custom: {
    50: '#805fc3',
    500: '#391da8',
    950: '#000000',
  },
}

SCSS

$custom: #391da8;
$custom-light: #805fc3;
$custom-dark: #000000;

JSON

{
  "hex": "#391da8",
  "rgb": {
    "r": 57,
    "g": 29,
    "b": 168
  },
  "hsl": {
    "h": 252.086,
    "s": 70.558,
    "l": 38.627
  },
  "oklch": {
    "l": 0.3806,
    "c": 0.20113,
    "h": 280.2
  },
  "luminance": 0.04576
}

Semantic roles & 50–950 ramp

primary

#391DA8

secondary

#B1C75A

accent

#ED3AC9

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #391DA8

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

Preview Lab → · Contrast checker → · Palette generator →