#381E5B#381E5B

#381E5B is a dark, moderate violet. Relative luminance 0.025; OKLCH L 30.5% C 0.105 H 299.8°. Best body text is #FFFFFF at 13.95:1 contrast (WCAG AA passes).

Color values

HEX	#381E5B
RGB	rgb(56, 30, 91)
HSL	hsl(266, 50%, 24%)
HSV	hsv(266, 67%, 36%)
CMYK	cmyk(38.5%, 67%, 0%, 64.3%)
CIE-LAB	lab(18.03, 26.99, -32.08)
CIE-LCH	lch(18.03, 41.93, 310.08°)
OKLab	oklab(30.5% 0.0522 -0.0912)
OKLCH	oklch(30.5% 0.105 299.8)
XYZ	xyz(3.9830, 2.5246, 10.1730)
Luminance	0.0253 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 6.27

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381E5B #415B1E

analogous

#1E225B #381E5B #561E5B

triadic

#381E5B #5B381E #1E5B38

tetradic

#381E5B #5B1E22 #415B1E #1E5B56

square

#381E5B #5B1E22 #415B1E #1E5B56

split-complementary

#381E5B #5B561E #225B1E

monochromatic

#0E0817 #1C0F2D #381E5B #542D89 #713CB7

Accessibility & contrast

On white

13.95

#381E5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#381E5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381E5B

13.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381E5B	#FFFFFF	#000000	##FFFFFF
##381E5B	1.00	13.95	1.51	13.95
#FFFFFF	13.95	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C5D

Deuteranopia (green-blind)

#062C5A

Tritanopia (blue-blind)

#302B39

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #381e5b;
/* rgb */ color: rgb(56, 30, 91);
/* oklch */ color: oklch(30.5% 0.105 299.8);

Tailwind

colors: {
  custom: {
    50: '#725b8a',
    500: '#381e5b',
    950: '#000000',
  },
}

SCSS

$custom: #381e5b;
$custom-light: #725b8a;
$custom-dark: #000000;

JSON

{
  "hex": "#381e5b",
  "rgb": {
    "r": 56,
    "g": 30,
    "b": 91
  },
  "hsl": {
    "h": 265.574,
    "s": 50.413,
    "l": 23.725
  },
  "oklch": {
    "l": 0.30497,
    "c": 0.10504,
    "h": 299.8
  },
  "luminance": 0.02525
}

Semantic roles & 50–950 ramp

primary

#381E5B

secondary

#709045

accent

#DA4E9E

background

#F7F5F8

surface

#EDE9F0

border

#C8C5CB

text

#08040C

muted

#7B797D

Preview Lab

Preview with #381E5B

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

Preview Lab → · Contrast checker → · Palette generator →