#381D78#381D78

#381D78 is a dark, vivid violet. Relative luminance 0.031; OKLCH L 32.9% C 0.144 H 289.6°. Best body text is #FFFFFF at 13.00:1 contrast (WCAG AA passes).

Color values

HEX	#381D78
RGB	rgb(56, 29, 120)
HSL	hsl(258, 61%, 29%)
HSV	hsv(258, 76%, 47%)
CMYK	cmyk(53.3%, 75.8%, 0%, 52.9%)
CIE-LAB	lab(20.34, 36.27, -47.25)
CIE-LCH	lch(20.34, 59.56, 307.51°)
OKLab	oklab(32.94% 0.0484 -0.1357)
OKLCH	oklch(32.94% 0.144 289.6)
XYZ	xyz(5.4594, 3.0753, 18.0716)
Luminance	0.0308 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381D78 #5D781D

analogous

#1D3078 #381D78 #661D78

triadic

#381D78 #78381D #1D7838

tetradic

#381D78 #781D30 #5D781D #1D7866

square

#381D78 #781D30 #5D781D #1D7866

split-complementary

#381D78 #78661D #30781D

monochromatic

#0C0619 #211147 #381D78 #4F29A9 #6A3FD1

Accessibility & contrast

On white

13.00

#381D78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#381D78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381D78

13.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381D78	#FFFFFF	#000000	##FFFFFF
##381D78	1.00	13.00	1.62	13.00
#FFFFFF	13.00	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	13.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337B

Deuteranopia (green-blind)

#002F76

Tritanopia (blue-blind)

#213549

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #381d78;
/* rgb */ color: rgb(56, 29, 120);
/* oklch */ color: oklch(32.9% 0.144 289.6);

Tailwind

colors: {
  custom: {
    50: '#765ca0',
    500: '#381d78',
    950: '#000000',
  },
}

SCSS

$custom: #381d78;
$custom-light: #765ca0;
$custom-dark: #000000;

JSON

{
  "hex": "#381d78",
  "rgb": {
    "r": 56,
    "g": 29,
    "b": 120
  },
  "hsl": {
    "h": 257.802,
    "s": 61.074,
    "l": 29.216
  },
  "oklch": {
    "l": 0.32941,
    "c": 0.1441,
    "h": 289.6
  },
  "luminance": 0.03076
}

Semantic roles & 50–950 ramp

primary

#381D78

secondary

#8DAC45

accent

#E444B5

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040F

muted

#7B797E

Preview Lab

Preview with #381D78

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

Preview Lab → · Contrast checker → · Palette generator →