#381D9B#381D9B

#381D9B is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.6% C 0.186 H 281.8°. Best body text is #FFFFFF at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#381D9B
RGB	rgb(56, 29, 155)
HSL	hsl(253, 68%, 36%)
HSV	hsv(253, 81%, 61%)
CMYK	cmyk(63.9%, 81.3%, 0%, 39.2%)
CIE-LAB	lab(23.95, 46.78, -63.21)
CIE-LCH	lch(23.95, 78.64, 306.50°)
OKLab	oklab(36.55% 0.0382 -0.1824)
OKLCH	oklch(36.55% 0.186 281.8)
XYZ	xyz(7.9848, 4.0855, 31.3718)
Luminance	0.0409 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381D9B #809B1D

analogous

#1D419B #381D9B #771D9B

triadic

#381D9B #9B381D #1D9B38

tetradic

#381D9B #9B1D41 #809B1D #1D9B77

square

#381D9B #9B1D41 #809B1D #1D9B77

split-complementary

#381D9B #9B771D #419B1D

monochromatic

#130A34 #251367 #381D9B #4B27CF #7153DF

Accessibility & contrast

On white

11.56

#381D9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#381D9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381D9B

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381D9B	#FFFFFF	#000000	##FFFFFF
##381D9B	1.00	11.56	1.82	11.56
#FFFFFF	11.56	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9E

Deuteranopia (green-blind)

#003499

Tritanopia (blue-blind)

#00435D

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #381d9b;
/* rgb */ color: rgb(56, 29, 155);
/* oklch */ color: oklch(36.6% 0.186 281.8);

Tailwind

colors: {
  custom: {
    50: '#7d5eba',
    500: '#381d9b',
    950: '#000000',
  },
}

SCSS

$custom: #381d9b;
$custom-light: #7d5eba;
$custom-dark: #000000;

JSON

{
  "hex": "#381d9b",
  "rgb": {
    "r": 56,
    "g": 29,
    "b": 155
  },
  "hsl": {
    "h": 252.857,
    "s": 68.478,
    "l": 36.078
  },
  "oklch": {
    "l": 0.36551,
    "c": 0.18634,
    "h": 281.8
  },
  "luminance": 0.04086
}

Semantic roles & 50–950 ramp

primary

#381D9B

secondary

#AAC252

accent

#EB3CC6

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #381D9B

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

Preview Lab → · Contrast checker → · Palette generator →