#381F9E#381F9E

#381F9E is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.1% C 0.188 H 281.1°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#381F9E
RGB	rgb(56, 31, 158)
HSL	hsl(252, 67%, 37%)
HSV	hsv(252, 80%, 62%)
CMYK	cmyk(64.6%, 80.4%, 0%, 38%)
CIE-LAB	lab(24.60, 46.73, -63.97)
CIE-LCH	lch(24.60, 79.22, 306.15°)
OKLab	oklab(37.1% 0.0362 -0.1846)
OKLCH	oklch(37.1% 0.188 281.1)
XYZ	xyz(8.2905, 4.2887, 32.7320)
Luminance	0.0429 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381F9E #859E1F

analogous

#1F469E #381F9E #781F9E

triadic

#381F9E #9E381F #1F9E38

tetradic

#381F9E #9E1F46 #859E1F #1F9E78

square

#381F9E #9E1F46 #859E1F #1F9E78

split-complementary

#381F9E #9E781F #469E1F

monochromatic

#140B38 #26156B #381F9E #4A29D1 #7359DE

Accessibility & contrast

On white

11.30

#381F9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#381F9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381F9E

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381F9E	#FFFFFF	#000000	##FFFFFF
##381F9E	1.00	11.30	1.86	11.30
#FFFFFF	11.30	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA2

Deuteranopia (green-blind)

#00369C

Tritanopia (blue-blind)

#00455F

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #381f9e;
/* rgb */ color: rgb(56, 31, 158);
/* oklch */ color: oklch(37.1% 0.188 281.1);

Tailwind

colors: {
  custom: {
    50: '#7d5fbc',
    500: '#381f9e',
    950: '#000000',
  },
}

SCSS

$custom: #381f9e;
$custom-light: #7d5fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#381f9e",
  "rgb": {
    "r": 56,
    "g": 31,
    "b": 158
  },
  "hsl": {
    "h": 251.811,
    "s": 67.196,
    "l": 37.059
  },
  "oklch": {
    "l": 0.371,
    "c": 0.18812,
    "h": 281.1
  },
  "luminance": 0.04289
}

Semantic roles & 50–950 ramp

primary

#381F9E

secondary

#ADC256

accent

#EA3EC8

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #381F9E

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

Preview Lab → · Contrast checker → · Palette generator →