#381B82#381B82

#381B82 is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.7% C 0.159 H 287.4°. Best body text is #FFFFFF at 12.75:1 contrast (WCAG AA passes).

Color values

HEX	#381B82
RGB	rgb(56, 27, 130)
HSL	hsl(257, 66%, 31%)
HSV	hsv(257, 79%, 51%)
CMYK	cmyk(56.9%, 79.2%, 0%, 49%)
CIE-LAB	lab(20.97, 40.31, -52.59)
CIE-LCH	lch(20.97, 66.26, 307.47°)
OKLab	oklab(33.68% 0.0473 -0.1513)
OKLCH	oklch(33.68% 0.159 287.4)
XYZ	xyz(6.0509, 3.2360, 21.4205)
Luminance	0.0324 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381B82 #65821B

analogous

#1B3182 #381B82 #6B1B82

triadic

#381B82 #82381B #1B8238

tetradic

#381B82 #821B31 #65821B #1B826B

square

#381B82 #821B31 #65821B #1B826B

split-complementary

#381B82 #826B1B #31821B

monochromatic

#0C061D #22104F #381B82 #4E26B5 #6B40D7

Accessibility & contrast

On white

12.75

#381B82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#381B82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381B82

12.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381B82	#FFFFFF	#000000	##FFFFFF
##381B82	1.00	12.75	1.65	12.75
#FFFFFF	12.75	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003585

Deuteranopia (green-blind)

#003080

Tritanopia (blue-blind)

#18384E

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #381b82;
/* rgb */ color: rgb(56, 27, 130);
/* oklch */ color: oklch(33.7% 0.159 287.4);

Tailwind

colors: {
  custom: {
    50: '#785ba7',
    500: '#381b82',
    950: '#000000',
  },
}

SCSS

$custom: #381b82;
$custom-light: #785ba7;
$custom-dark: #000000;

JSON

{
  "hex": "#381b82",
  "rgb": {
    "r": 56,
    "g": 27,
    "b": 130
  },
  "hsl": {
    "h": 256.893,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.3368,
    "c": 0.15857,
    "h": 287.4
  },
  "luminance": 0.03236
}

Semantic roles & 50–950 ramp

primary

#381B82

secondary

#95B643

accent

#E93FB9

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #381B82

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

Preview Lab → · Contrast checker → · Palette generator →