#381C7F#381C7F

#381C7F is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.5% C 0.154 H 287.9°. Best body text is #FFFFFF at 12.80:1 contrast (WCAG AA passes).

Color values

HEX	#381C7F
RGB	rgb(56, 28, 127)
HSL	hsl(257, 64%, 30%)
HSV	hsv(257, 78%, 50%)
CMYK	cmyk(55.9%, 78%, 0%, 50.2%)
CIE-LAB	lab(20.84, 38.91, -50.89)
CIE-LCH	lch(20.84, 64.06, 307.40°)
OKLab	oklab(33.5% 0.0474 -0.1464)
OKLCH	oklch(33.5% 0.154 287.9)
XYZ	xyz(5.8758, 3.2033, 20.3832)
Luminance	0.0320 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.55

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381C7F #637F1C

analogous

#1C317F #381C7F #691C7F

triadic

#381C7F #7F381C #1C7F38

tetradic

#381C7F #7F1C31 #637F1C #1C7F69

square

#381C7F #7F1C31 #637F1C #1C7F69

split-complementary

#381C7F #7F691C #317F1C

monochromatic

#0C061B #22114D #381C7F #4E27B1 #6A40D5

Accessibility & contrast

On white

12.80

#381C7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#381C7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381C7F

12.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381C7F	#FFFFFF	#000000	##FFFFFF
##381C7F	1.00	12.80	1.64	12.80
#FFFFFF	12.80	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003482

Deuteranopia (green-blind)

#002F7D

Tritanopia (blue-blind)

#1B384C

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #381c7f;
/* rgb */ color: rgb(56, 28, 127);
/* oklch */ color: oklch(33.5% 0.154 287.9);

Tailwind

colors: {
  custom: {
    50: '#775ca5',
    500: '#381c7f',
    950: '#000000',
  },
}

SCSS

$custom: #381c7f;
$custom-light: #775ca5;
$custom-dark: #000000;

JSON

{
  "hex": "#381c7f",
  "rgb": {
    "r": 56,
    "g": 28,
    "b": 127
  },
  "hsl": {
    "h": 256.97,
    "s": 63.871,
    "l": 30.392
  },
  "oklch": {
    "l": 0.335,
    "c": 0.15388,
    "h": 287.9
  },
  "luminance": 0.03204
}

Semantic roles & 50–950 ramp

primary

#381C7F

secondary

#93B344

accent

#E741B8

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #381C7F

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

Preview Lab → · Contrast checker → · Palette generator →