#381F5B#381F5B

#381F5B is a dark, moderate violet. Relative luminance 0.026; OKLCH L 30.7% C 0.103 H 299.4°. Best body text is #FFFFFF at 13.86:1 contrast (WCAG AA passes).

Color values

HEX	#381F5B
RGB	rgb(56, 31, 91)
HSL	hsl(265, 49%, 24%)
HSV	hsv(265, 66%, 36%)
CMYK	cmyk(38.5%, 65.9%, 0%, 64.3%)
CIE-LAB	lab(18.26, 26.38, -31.71)
CIE-LCH	lch(18.26, 41.25, 309.75°)
OKLab	oklab(30.66% 0.0508 -0.0901)
OKLCH	oklch(30.66% 0.103 299.4)
XYZ	xyz(4.0087, 2.5760, 10.1815)
Luminance	0.0258 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 6.48

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381F5B #425B1F

analogous

#1F245B #381F5B #561F5B

triadic

#381F5B #5B381F #1F5B38

tetradic

#381F5B #5B1F24 #425B1F #1F5B56

square

#381F5B #5B1F24 #425B1F #1F5B56

split-complementary

#381F5B #5B561F #245B1F

monochromatic

#0E0817 #1C0F2D #381F5B #542F89 #703EB6

Accessibility & contrast

On white

13.86

#381F5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#381F5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381F5B

13.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381F5B	#FFFFFF	#000000	##FFFFFF
##381F5B	1.00	13.86	1.52	13.86
#FFFFFF	13.86	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C5D

Deuteranopia (green-blind)

#082C5A

Tritanopia (blue-blind)

#302C39

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #381f5b;
/* rgb */ color: rgb(56, 31, 91);
/* oklch */ color: oklch(30.7% 0.103 299.4);

Tailwind

colors: {
  custom: {
    50: '#725c8a',
    500: '#381f5b',
    950: '#000000',
  },
}

SCSS

$custom: #381f5b;
$custom-light: #725c8a;
$custom-dark: #000000;

JSON

{
  "hex": "#381f5b",
  "rgb": {
    "r": 56,
    "g": 31,
    "b": 91
  },
  "hsl": {
    "h": 265,
    "s": 49.18,
    "l": 23.922
  },
  "oklch": {
    "l": 0.30664,
    "c": 0.10343,
    "h": 299.4
  },
  "luminance": 0.02576
}

Semantic roles & 50–950 ramp

primary

#381F5B

secondary

#719046

accent

#D94F9F

background

#F7F5F8

surface

#EDE9F0

border

#C8C5CB

text

#08040C

muted

#7B797D

Preview Lab

Preview with #381F5B

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

Preview Lab → · Contrast checker → · Palette generator →