#381D8D#381D8D

#381D8D is a dark, vivid violet. Relative luminance 0.036; OKLCH L 35.1% C 0.170 H 284.5°. Best body text is #FFFFFF at 12.15:1 contrast (WCAG AA passes).

Color values

HEX	#381D8D
RGB	rgb(56, 29, 141)
HSL	hsl(254, 66%, 33%)
HSV	hsv(254, 79%, 55%)
CMYK	cmyk(60.3%, 79.4%, 0%, 44.7%)
CIE-LAB	lab(22.45, 42.61, -57.04)
CIE-LCH	lch(22.45, 71.20, 306.76°)
OKLab	oklab(35.06% 0.0426 -0.1644)
OKLCH	oklch(35.06% 0.17 284.5)
XYZ	xyz(6.8765, 3.6421, 25.5348)
Luminance	0.0364 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381D8D #728D1D

analogous

#1D3A8D #381D8D #701D8D

triadic

#381D8D #8D381D #1D8D38

tetradic

#381D8D #8D1D3A #728D1D #1D8D70

square

#381D8D #8D1D3A #728D1D #1D8D70

split-complementary

#381D8D #8D701D #3A8D1D

monochromatic

#100827 #24135A #381D8D #4C27C0 #6D4BDA

Accessibility & contrast

On white

12.15

#381D8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#381D8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381D8D

12.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381D8D	#FFFFFF	#000000	##FFFFFF
##381D8D	1.00	12.15	1.73	12.15
#FFFFFF	12.15	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003990

Deuteranopia (green-blind)

#00328B

Tritanopia (blue-blind)

#043E54

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #381d8d;
/* rgb */ color: rgb(56, 29, 141);
/* oklch */ color: oklch(35.1% 0.170 284.5);

Tailwind

colors: {
  custom: {
    50: '#7a5daf',
    500: '#381d8d',
    950: '#000000',
  },
}

SCSS

$custom: #381d8d;
$custom-light: #7a5daf;
$custom-dark: #000000;

JSON

{
  "hex": "#381d8d",
  "rgb": {
    "r": 56,
    "g": 29,
    "b": 141
  },
  "hsl": {
    "h": 254.464,
    "s": 65.882,
    "l": 33.333
  },
  "oklch": {
    "l": 0.3506,
    "c": 0.16979,
    "h": 284.5
  },
  "luminance": 0.03643
}

Semantic roles & 50–950 ramp

primary

#381D8D

secondary

#A1BC4A

accent

#E93FC0

background

#F7F5FA

surface

#EEE9F5

border

#C9C5CF

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #381D8D

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

Preview Lab → · Contrast checker → · Palette generator →