#381E9B#381E9B

#381E9B is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.7% C 0.185 H 281.7°. Best body text is #FFFFFF at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#381E9B
RGB	rgb(56, 30, 155)
HSL	hsl(252, 68%, 36%)
HSV	hsv(252, 81%, 61%)
CMYK	cmyk(63.9%, 80.6%, 0%, 39.2%)
CIE-LAB	lab(24.11, 46.31, -62.95)
CIE-LCH	lch(24.11, 78.14, 306.34°)
OKLab	oklab(36.66% 0.0377 -0.1816)
OKLCH	oklch(36.66% 0.185 281.7)
XYZ	xyz(8.0097, 4.1353, 31.3801)
Luminance	0.0414 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381E9B #819B1E

analogous

#1E439B #381E9B #771E9B

triadic

#381E9B #9B381E #1E9B38

tetradic

#381E9B #9B1E43 #819B1E #1E9B77

square

#381E9B #9B1E43 #819B1E #1E9B77

split-complementary

#381E9B #9B771E #439B1E

monochromatic

#130A34 #251468 #381E9B #4B28CE #7255DE

Accessibility & contrast

On white

11.49

#381E9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#381E9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381E9B

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381E9B	#FFFFFF	#000000	##FFFFFF
##381E9B	1.00	11.49	1.83	11.49
#FFFFFF	11.49	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9E

Deuteranopia (green-blind)

#003599

Tritanopia (blue-blind)

#00445D

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #381e9b;
/* rgb */ color: rgb(56, 30, 155);
/* oklch */ color: oklch(36.7% 0.185 281.7);

Tailwind

colors: {
  custom: {
    50: '#7c5eba',
    500: '#381e9b',
    950: '#000000',
  },
}

SCSS

$custom: #381e9b;
$custom-light: #7c5eba;
$custom-dark: #000000;

JSON

{
  "hex": "#381e9b",
  "rgb": {
    "r": 56,
    "g": 30,
    "b": 155
  },
  "hsl": {
    "h": 252.48,
    "s": 67.568,
    "l": 36.275
  },
  "oklch": {
    "l": 0.36663,
    "c": 0.18547,
    "h": 281.7
  },
  "luminance": 0.04136
}

Semantic roles & 50–950 ramp

primary

#381E9B

secondary

#ABC253

accent

#EA3DC6

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #381E9B

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

Preview Lab → · Contrast checker → · Palette generator →