#381C64#381C64

#381C64 is a dark, moderate violet. Relative luminance 0.026; OKLCH L 30.9% C 0.120 H 296.6°. Best body text is #FFFFFF at 13.83:1 contrast (WCAG AA passes).

Color values

HEX	#381C64
RGB	rgb(56, 28, 100)
HSL	hsl(263, 56%, 25%)
HSV	hsv(263, 72%, 39%)
CMYK	cmyk(44%, 72%, 0%, 60.8%)
CIE-LAB	lab(18.33, 30.83, -37.56)
CIE-LCH	lch(18.33, 48.60, 309.38°)
OKLab	oklab(30.94% 0.0536 -0.1073)
OKLCH	oklch(30.94% 0.12 296.6)
XYZ	xyz(4.3458, 2.5913, 12.3253)
Luminance	0.0259 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381C64 #48641C

analogous

#1C2464 #381C64 #5C1C64

triadic

#381C64 #64381C #1C6438

tetradic

#381C64 #641C24 #48641C #1C645C

square

#381C64 #641C24 #48641C #1C645C

split-complementary

#381C64 #645C1C #24641C

monochromatic

#0D0718 #1D0F34 #381C64 #532994 #6E37C4

Accessibility & contrast

On white

13.83

#381C64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#381C64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381C64

13.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381C64	#FFFFFF	#000000	##FFFFFF
##381C64	1.00	13.83	1.52	13.83
#FFFFFF	13.83	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D66

Deuteranopia (green-blind)

#002C63

Tritanopia (blue-blind)

#2D2D3D

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #381c64;
/* rgb */ color: rgb(56, 28, 100);
/* oklch */ color: oklch(30.9% 0.120 296.6);

Tailwind

colors: {
  custom: {
    50: '#735a91',
    500: '#381c64',
    950: '#000000',
  },
}

SCSS

$custom: #381c64;
$custom-light: #735a91;
$custom-dark: #000000;

JSON

{
  "hex": "#381c64",
  "rgb": {
    "r": 56,
    "g": 28,
    "b": 100
  },
  "hsl": {
    "h": 263.333,
    "s": 56.25,
    "l": 25.098
  },
  "oklch": {
    "l": 0.30943,
    "c": 0.11993,
    "h": 296.6
  },
  "luminance": 0.02591
}

Semantic roles & 50–950 ramp

primary

#381C64

secondary

#789943

accent

#E048A5

background

#F7F5F8

surface

#EDE9F0

border

#C8C5CB

text

#08040D

muted

#7B797D

Preview Lab

Preview with #381C64

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

Preview Lab → · Contrast checker → · Palette generator →