#381C7A#381C7A

#381C7A is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.0% C 0.148 H 289.3°. Best body text is #FFFFFF at 13.00:1 contrast (WCAG AA passes).

Color values

HEX	#381C7A
RGB	rgb(56, 28, 122)
HSL	hsl(258, 63%, 29%)
HSV	hsv(258, 77%, 48%)
CMYK	cmyk(54.1%, 77%, 0%, 52.2%)
CIE-LAB	lab(20.35, 37.41, -48.52)
CIE-LCH	lch(20.35, 61.27, 307.63°)
OKLab	oklab(33% 0.0488 -0.1394)
OKLCH	oklch(33% 0.148 289.3)
XYZ	xyz(5.5580, 3.0761, 18.7095)
Luminance	0.0308 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381C7A #5E7A1C

analogous

#1C2F7A #381C7A #671C7A

triadic

#381C7A #7A381C #1C7A38

tetradic

#381C7A #7A1C2F #5E7A1C #1C7A67

square

#381C7A #7A1C2F #5E7A1C #1C7A67

split-complementary

#381C7A #7A671C #2F7A1C

monochromatic

#0B0619 #211148 #381C7A #4F27AC #6A3ED3

Accessibility & contrast

On white

13.00

#381C7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#381C7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381C7A

13.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381C7A	#FFFFFF	#000000	##FFFFFF
##381C7A	1.00	13.00	1.62	13.00
#FFFFFF	13.00	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	13.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337D

Deuteranopia (green-blind)

#002F78

Tritanopia (blue-blind)

#1F3649

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #381c7a;
/* rgb */ color: rgb(56, 28, 122);
/* oklch */ color: oklch(33.0% 0.148 289.3);

Tailwind

colors: {
  custom: {
    50: '#765ba1',
    500: '#381c7a',
    950: '#000000',
  },
}

SCSS

$custom: #381c7a;
$custom-light: #765ba1;
$custom-dark: #000000;

JSON

{
  "hex": "#381c7a",
  "rgb": {
    "r": 56,
    "g": 28,
    "b": 122
  },
  "hsl": {
    "h": 257.872,
    "s": 62.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.33002,
    "c": 0.14774,
    "h": 289.3
  },
  "luminance": 0.03076
}

Semantic roles & 50–950 ramp

primary

#381C7A

secondary

#8EAE44

accent

#E642B5

background

#F7F5FA

surface

#EEE9F3

border

#C9C5CD

text

#09040F

muted

#7B797F

Preview Lab

Preview with #381C7A

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

Preview Lab → · Contrast checker → · Palette generator →