#381C78#381C78

#381C78 is a dark, vivid violet. Relative luminance 0.030; OKLCH L 32.8% C 0.145 H 289.8°. Best body text is #FFFFFF at 13.08:1 contrast (WCAG AA passes).

Color values

HEX	#381C78
RGB	rgb(56, 28, 120)
HSL	hsl(258, 62%, 29%)
HSV	hsv(258, 77%, 47%)
CMYK	cmyk(53.3%, 76.7%, 0%, 52.9%)
CIE-LAB	lab(20.15, 36.81, -47.56)
CIE-LCH	lch(20.15, 60.14, 307.73°)
OKLab	oklab(32.81% 0.0493 -0.1366)
OKLCH	oklch(32.81% 0.145 289.8)
XYZ	xyz(5.4353, 3.0271, 18.0636)
Luminance	0.0303 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381C78 #5C781C

analogous

#1C2E78 #381C78 #661C78

triadic

#381C78 #78381C #1C7838

tetradic

#381C78 #781C2E #5C781C #1C7866

square

#381C78 #781C2E #5C781C #1C7866

split-complementary

#381C78 #78661C #2E781C

monochromatic

#0C0619 #211046 #381C78 #4F28AA #6A3DD2

Accessibility & contrast

On white

13.08

#381C78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#381C78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381C78

13.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381C78	#FFFFFF	#000000	##FFFFFF
##381C78	1.00	13.08	1.61	13.08
#FFFFFF	13.08	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327B

Deuteranopia (green-blind)

#002E76

Tritanopia (blue-blind)

#213548

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #381c78;
/* rgb */ color: rgb(56, 28, 120);
/* oklch */ color: oklch(32.8% 0.145 289.8);

Tailwind

colors: {
  custom: {
    50: '#765ba0',
    500: '#381c78',
    950: '#000000',
  },
}

SCSS

$custom: #381c78;
$custom-light: #765ba0;
$custom-dark: #000000;

JSON

{
  "hex": "#381c78",
  "rgb": {
    "r": 56,
    "g": 28,
    "b": 120
  },
  "hsl": {
    "h": 258.261,
    "s": 62.162,
    "l": 29.02
  },
  "oklch": {
    "l": 0.32806,
    "c": 0.14527,
    "h": 289.8
  },
  "luminance": 0.03027
}

Semantic roles & 50–950 ramp

primary

#381C78

secondary

#8CAC44

accent

#E543B4

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#09040F

muted

#7B797E

Preview Lab

Preview with #381C78

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

Preview Lab → · Contrast checker → · Palette generator →