#381C5A#381C5A

#381C5A is a dark, moderate violet. Relative luminance 0.024; OKLCH L 30.1% C 0.107 H 300.9°. Best body text is #FFFFFF at 14.17:1 contrast (WCAG AA passes).

Color values

HEX	#381C5A
RGB	rgb(56, 28, 90)
HSL	hsl(267, 53%, 23%)
HSV	hsv(267, 69%, 35%)
CMYK	cmyk(37.8%, 68.9%, 0%, 64.7%)
CIE-LAB	lab(17.50, 27.91, -32.26)
CIE-LCH	lch(17.50, 42.66, 310.87°)
OKLab	oklab(30.09% 0.0549 -0.0917)
OKLCH	oklch(30.09% 0.107 300.9)
XYZ	xyz(3.8912, 2.4094, 9.9309)
Luminance	0.0241 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 5.97

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381C5A #3E5A1C

analogous

#1C1F5A #381C5A #571C5A

triadic

#381C5A #5A381C #1C5A38

tetradic

#381C5A #5A1C1F #3E5A1C #1C5A57

square

#381C5A #5A1C1F #3E5A1C #1C5A57

split-complementary

#381C5A #5A571C #1F5A1C

monochromatic

#0F0717 #1B0D2B #381C5A #552B89 #7239B7

Accessibility & contrast

On white

14.17

#381C5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#381C5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381C5A

14.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381C5A	#FFFFFF	#000000	##FFFFFF
##381C5A	1.00	14.17	1.48	14.17
#FFFFFF	14.17	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B5C

Deuteranopia (green-blind)

#042B59

Tritanopia (blue-blind)

#312A38

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #381c5a;
/* rgb */ color: rgb(56, 28, 90);
/* oklch */ color: oklch(30.1% 0.107 300.9);

Tailwind

colors: {
  custom: {
    50: '#725a89',
    500: '#381c5a',
    950: '#000000',
  },
}

SCSS

$custom: #381c5a;
$custom-light: #725a89;
$custom-dark: #000000;

JSON

{
  "hex": "#381c5a",
  "rgb": {
    "r": 56,
    "g": 28,
    "b": 90
  },
  "hsl": {
    "h": 267.097,
    "s": 52.542,
    "l": 23.137
  },
  "oklch": {
    "l": 0.30092,
    "c": 0.10687,
    "h": 300.9
  },
  "luminance": 0.02409
}

Semantic roles & 50–950 ramp

primary

#381C5A

secondary

#6D8F42

accent

#DC4C9B

background

#F7F5F8

surface

#EDE9F0

border

#C8C5CB

text

#08040B

muted

#7B797C

Preview Lab

Preview with #381C5A

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

Preview Lab → · Contrast checker → · Palette generator →