#381C7E#381C7E

#381C7E is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.4% C 0.153 H 288.2°. Best body text is #FFFFFF at 12.84:1 contrast (WCAG AA passes).

Color values

HEX	#381C7E
RGB	rgb(56, 28, 126)
HSL	hsl(257, 64%, 30%)
HSV	hsv(257, 78%, 49%)
CMYK	cmyk(55.6%, 77.8%, 0%, 50.6%)
CIE-LAB	lab(20.74, 38.61, -50.42)
CIE-LCH	lch(20.74, 63.51, 307.44°)
OKLab	oklab(33.4% 0.0477 -0.145)
OKLCH	oklch(33.4% 0.153 288.2)
XYZ	xyz(5.8109, 3.1773, 20.0417)
Luminance	0.0318 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381C7E #627E1C

analogous

#1C317E #381C7E #691C7E

triadic

#381C7E #7E381C #1C7E38

tetradic

#381C7E #7E1C31 #627E1C #1C7E69

square

#381C7E #7E1C31 #627E1C #1C7E69

split-complementary

#381C7E #7E691C #317E1C

monochromatic

#0B061A #22114C #381C7E #4E27B0 #6A40D5

Accessibility & contrast

On white

12.84

#381C7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#381C7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381C7E

12.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381C7E	#FFFFFF	#000000	##FFFFFF
##381C7E	1.00	12.84	1.64	12.84
#FFFFFF	12.84	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003481

Deuteranopia (green-blind)

#002F7C

Tritanopia (blue-blind)

#1C374C

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #381c7e;
/* rgb */ color: rgb(56, 28, 126);
/* oklch */ color: oklch(33.4% 0.153 288.2);

Tailwind

colors: {
  custom: {
    50: '#775ca4',
    500: '#381c7e',
    950: '#000000',
  },
}

SCSS

$custom: #381c7e;
$custom-light: #775ca4;
$custom-dark: #000000;

JSON

{
  "hex": "#381c7e",
  "rgb": {
    "r": 56,
    "g": 28,
    "b": 126
  },
  "hsl": {
    "h": 257.143,
    "s": 63.636,
    "l": 30.196
  },
  "oklch": {
    "l": 0.334,
    "c": 0.15265,
    "h": 288.2
  },
  "luminance": 0.03178
}

Semantic roles & 50–950 ramp

primary

#381C7E

secondary

#92B244

accent

#E741B7

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #381C7E

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

Preview Lab → · Contrast checker → · Palette generator →