#381B84#381B84

#381B84 is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.9% C 0.161 H 286.9°. Best body text is #FFFFFF at 12.66:1 contrast (WCAG AA passes).

Color values

HEX	#381B84
RGB	rgb(56, 27, 132)
HSL	hsl(257, 66%, 31%)
HSV	hsv(257, 80%, 52%)
CMYK	cmyk(57.6%, 79.5%, 0%, 48.2%)
CIE-LAB	lab(21.17, 40.91, -53.51)
CIE-LCH	lch(21.17, 67.36, 307.40°)
OKLab	oklab(33.89% 0.0467 -0.154)
OKLCH	oklch(33.89% 0.161 286.9)
XYZ	xyz(6.1864, 3.2902, 22.1344)
Luminance	0.0329 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381B84 #67841B

analogous

#1B3284 #381B84 #6C1B84

triadic

#381B84 #84381B #1B8438

tetradic

#381B84 #841B32 #67841B #1B846C

square

#381B84 #841B32 #67841B #1B846C

split-complementary

#381B84 #846C1B #32841B

monochromatic

#0D061E #221151 #381B84 #4E25B7 #6B41D8

Accessibility & contrast

On white

12.66

#381B84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#381B84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381B84

12.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381B84	#FFFFFF	#000000	##FFFFFF
##381B84	1.00	12.66	1.66	12.66
#FFFFFF	12.66	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003587

Deuteranopia (green-blind)

#003082

Tritanopia (blue-blind)

#15394F

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #381b84;
/* rgb */ color: rgb(56, 27, 132);
/* oklch */ color: oklch(33.9% 0.161 286.9);

Tailwind

colors: {
  custom: {
    50: '#785ba9',
    500: '#381b84',
    950: '#000000',
  },
}

SCSS

$custom: #381b84;
$custom-light: #785ba9;
$custom-dark: #000000;

JSON

{
  "hex": "#381b84",
  "rgb": {
    "r": 56,
    "g": 27,
    "b": 132
  },
  "hsl": {
    "h": 256.571,
    "s": 66.038,
    "l": 31.176
  },
  "oklch": {
    "l": 0.33885,
    "c": 0.16097,
    "h": 286.9
  },
  "luminance": 0.03291
}

Semantic roles & 50–950 ramp

primary

#381B84

secondary

#97B743

accent

#E93FBA

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #381B84

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

Preview Lab → · Contrast checker → · Palette generator →