#381D7F#381D7F

#381D7F is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.6% C 0.153 H 287.8°. Best body text is #FFFFFF at 12.72:1 contrast (WCAG AA passes).

Color values

HEX	#381D7F
RGB	rgb(56, 29, 127)
HSL	hsl(257, 63%, 31%)
HSV	hsv(257, 77%, 50%)
CMYK	cmyk(55.9%, 77.2%, 0%, 50.2%)
CIE-LAB	lab(21.02, 38.39, -50.59)
CIE-LCH	lch(21.02, 63.51, 307.19°)
OKLab	oklab(33.63% 0.0466 -0.1455)
OKLCH	oklch(33.63% 0.153 287.8)
XYZ	xyz(5.8999, 3.2515, 20.3913)
Luminance	0.0325 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.70

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381D7F #647F1D

analogous

#1D337F #381D7F #691D7F

triadic

#381D7F #7F381D #1D7F38

tetradic

#381D7F #7F1D33 #647F1D #1D7F69

square

#381D7F #7F1D33 #647F1D #1D7F69

split-complementary

#381D7F #7F691D #337F1D

monochromatic

#0C061B #22124D #381D7F #4E28B1 #6B42D4

Accessibility & contrast

On white

12.72

#381D7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#381D7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381D7F

12.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381D7F	#FFFFFF	#000000	##FFFFFF
##381D7F	1.00	12.72	1.65	12.72
#FFFFFF	12.72	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003582

Deuteranopia (green-blind)

#00307D

Tritanopia (blue-blind)

#1B384C

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #381d7f;
/* rgb */ color: rgb(56, 29, 127);
/* oklch */ color: oklch(33.6% 0.153 287.8);

Tailwind

colors: {
  custom: {
    50: '#775ca5',
    500: '#381d7f',
    950: '#000000',
  },
}

SCSS

$custom: #381d7f;
$custom-light: #775ca5;
$custom-dark: #000000;

JSON

{
  "hex": "#381d7f",
  "rgb": {
    "r": 56,
    "g": 29,
    "b": 127
  },
  "hsl": {
    "h": 256.531,
    "s": 62.821,
    "l": 30.588
  },
  "oklch": {
    "l": 0.33629,
    "c": 0.1528,
    "h": 287.8
  },
  "luminance": 0.03252
}

Semantic roles & 50–950 ramp

primary

#381D7F

secondary

#94B245

accent

#E642B9

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #381D7F

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

Preview Lab → · Contrast checker → · Palette generator →