#381B9A#381B9A

#381B9A is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.2% C 0.187 H 282.2°. Best body text is #FFFFFF at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#381B9A
RGB	rgb(56, 27, 154)
HSL	hsl(254, 70%, 35%)
HSV	hsv(254, 82%, 60%)
CMYK	cmyk(63.6%, 82.5%, 0%, 39.6%)
CIE-LAB	lab(23.53, 47.39, -63.30)
CIE-LCH	lch(23.53, 79.08, 306.82°)
OKLab	oklab(36.23% 0.0396 -0.1826)
OKLCH	oklch(36.23% 0.187 282.2)
XYZ	xyz(7.8537, 3.9571, 30.9155)
Luminance	0.0396 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381B9A #7D9A1B

analogous

#1B3D9A #381B9A #771B9A

triadic

#381B9A #9A381B #1B9A38

tetradic

#381B9A #9A1B3D #7D9A1B #1B9A77

square

#381B9A #9A1B3D #7D9A1B #1B9A77

split-complementary

#381B9A #9A771B #3D9A1B

monochromatic

#120932 #251266 #381B9A #4B24CE #704FE0

Accessibility & contrast

On white

11.72

#381B9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#381B9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381B9A

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381B9A	#FFFFFF	#000000	##FFFFFF
##381B9A	1.00	11.72	1.79	11.72
#FFFFFF	11.72	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C9D

Deuteranopia (green-blind)

#003498

Tritanopia (blue-blind)

#00425C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #381b9a;
/* rgb */ color: rgb(56, 27, 154);
/* oklch */ color: oklch(36.2% 0.187 282.2);

Tailwind

colors: {
  custom: {
    50: '#7c5db9',
    500: '#381b9a',
    950: '#000000',
  },
}

SCSS

$custom: #381b9a;
$custom-light: #7c5db9;
$custom-dark: #000000;

JSON

{
  "hex": "#381b9a",
  "rgb": {
    "r": 56,
    "g": 27,
    "b": 154
  },
  "hsl": {
    "h": 253.701,
    "s": 70.166,
    "l": 35.49
  },
  "oklch": {
    "l": 0.36226,
    "c": 0.18685,
    "h": 282.2
  },
  "luminance": 0.03958
}

Semantic roles & 50–950 ramp

primary

#381B9A

secondary

#A8C34E

accent

#ED3BC4

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #381B9A

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

Preview Lab → · Contrast checker → · Palette generator →