#381C9B#381C9B

#381C9B is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.4% C 0.187 H 281.9°. Best body text is #FFFFFF at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#381C9B
RGB	rgb(56, 28, 155)
HSL	hsl(253, 69%, 36%)
HSV	hsv(253, 82%, 61%)
CMYK	cmyk(63.9%, 81.9%, 0%, 39.2%)
CIE-LAB	lab(23.79, 47.24, -63.47)
CIE-LCH	lch(23.79, 79.12, 306.66°)
OKLab	oklab(36.44% 0.0388 -0.1831)
OKLCH	oklch(36.44% 0.187 281.9)
XYZ	xyz(7.9607, 4.0372, 31.3638)
Luminance	0.0404 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381C9B #7F9B1C

analogous

#1C409B #381C9B #771C9B

triadic

#381C9B #9B381C #1C9B38

tetradic

#381C9B #9B1C40 #7F9B1C #1C9B77

square

#381C9B #9B1C40 #7F9B1C #1C9B77

split-complementary

#381C9B #9B771C #409B1C

monochromatic

#130933 #251367 #381C9B #4B25CF #7152E0

Accessibility & contrast

On white

11.62

#381C9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#381C9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381C9B

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381C9B	#FFFFFF	#000000	##FFFFFF
##381C9B	1.00	11.62	1.81	11.62
#FFFFFF	11.62	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9E

Deuteranopia (green-blind)

#003499

Tritanopia (blue-blind)

#00435C

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #381c9b;
/* rgb */ color: rgb(56, 28, 155);
/* oklch */ color: oklch(36.4% 0.187 281.9);

Tailwind

colors: {
  custom: {
    50: '#7d5dba',
    500: '#381c9b',
    950: '#000000',
  },
}

SCSS

$custom: #381c9b;
$custom-light: #7d5dba;
$custom-dark: #000000;

JSON

{
  "hex": "#381c9b",
  "rgb": {
    "r": 56,
    "g": 28,
    "b": 155
  },
  "hsl": {
    "h": 253.228,
    "s": 69.399,
    "l": 35.882
  },
  "oklch": {
    "l": 0.36442,
    "c": 0.18718,
    "h": 281.9
  },
  "luminance": 0.04038
}

Semantic roles & 50–950 ramp

primary

#381C9B

secondary

#A9C350

accent

#EC3CC5

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #381C9B

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

Preview Lab → · Contrast checker → · Palette generator →