#381D5B#381D5B

#381D5B is a dark, moderate violet. Relative luminance 0.025; OKLCH L 30.3% C 0.107 H 300.1°. Best body text is #FFFFFF at 14.05:1 contrast (WCAG AA passes).

Color values

HEX	#381D5B
RGB	rgb(56, 29, 91)
HSL	hsl(266, 52%, 24%)
HSV	hsv(266, 68%, 36%)
CMYK	cmyk(38.5%, 68.1%, 0%, 64.3%)
CIE-LAB	lab(17.80, 27.60, -32.44)
CIE-LCH	lch(17.80, 42.60, 310.39°)
OKLab	oklab(30.33% 0.0535 -0.0922)
OKLCH	oklch(30.33% 0.107 300.1)
XYZ	xyz(3.9581, 2.4748, 10.1647)
Luminance	0.0248 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 6.07

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381D5B #405B1D

analogous

#1D215B #381D5B #571D5B

triadic

#381D5B #5B381D #1D5B38

tetradic

#381D5B #5B1D21 #405B1D #1D5B57

square

#381D5B #5B1D21 #405B1D #1D5B57

split-complementary

#381D5B #5B571D #215B1D

monochromatic

#0E0717 #1B0E2D #381D5B #552C89 #713BB8

Accessibility & contrast

On white

14.05

#381D5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#381D5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381D5B

14.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381D5B	#FFFFFF	#000000	##FFFFFF
##381D5B	1.00	14.05	1.50	14.05
#FFFFFF	14.05	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B5D

Deuteranopia (green-blind)

#042B5A

Tritanopia (blue-blind)

#302B39

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #381d5b;
/* rgb */ color: rgb(56, 29, 91);
/* oklch */ color: oklch(30.3% 0.107 300.1);

Tailwind

colors: {
  custom: {
    50: '#725b8a',
    500: '#381d5b',
    950: '#000000',
  },
}

SCSS

$custom: #381d5b;
$custom-light: #725b8a;
$custom-dark: #000000;

JSON

{
  "hex": "#381d5b",
  "rgb": {
    "r": 56,
    "g": 29,
    "b": 91
  },
  "hsl": {
    "h": 266.129,
    "s": 51.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.30334,
    "c": 0.10663,
    "h": 300.1
  },
  "luminance": 0.02475
}

Semantic roles & 50–950 ramp

primary

#381D5B

secondary

#6F9044

accent

#DB4D9D

background

#F7F5F8

surface

#EDE9F0

border

#C8C5CB

text

#08040C

muted

#7B797D

Preview Lab

Preview with #381D5B

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

Preview Lab → · Contrast checker → · Palette generator →