#381D7B#381D7B

#381D7B is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.2% C 0.148 H 288.8°. Best body text is #FFFFFF at 12.88:1 contrast (WCAG AA passes).

Color values

HEX	#381D7B
RGB	rgb(56, 29, 123)
HSL	hsl(257, 62%, 30%)
HSV	hsv(257, 76%, 48%)
CMYK	cmyk(54.5%, 76.4%, 0%, 51.8%)
CIE-LAB	lab(20.63, 37.18, -48.69)
CIE-LCH	lch(20.63, 61.26, 307.36°)
OKLab	oklab(33.23% 0.0476 -0.1399)
OKLCH	oklch(33.23% 0.148 288.8)
XYZ	xyz(5.6444, 3.1493, 19.0455)
Luminance	0.0315 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381D7B #607B1D

analogous

#1D317B #381D7B #671D7B

triadic

#381D7B #7B381D #1D7B38

tetradic

#381D7B #7B1D31 #607B1D #1D7B67

square

#381D7B #7B1D31 #607B1D #1D7B67

split-complementary

#381D7B #7B671D #317B1D

monochromatic

#0B0619 #211149 #381D7B #4F29AD #6A40D2

Accessibility & contrast

On white

12.88

#381D7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#381D7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381D7B

12.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381D7B	#FFFFFF	#000000	##FFFFFF
##381D7B	1.00	12.88	1.63	12.88
#FFFFFF	12.88	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347E

Deuteranopia (green-blind)

#002F79

Tritanopia (blue-blind)

#1E374A

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #381d7b;
/* rgb */ color: rgb(56, 29, 123);
/* oklch */ color: oklch(33.2% 0.148 288.8);

Tailwind

colors: {
  custom: {
    50: '#775ca2',
    500: '#381d7b',
    950: '#000000',
  },
}

SCSS

$custom: #381d7b;
$custom-light: #775ca2;
$custom-dark: #000000;

JSON

{
  "hex": "#381d7b",
  "rgb": {
    "r": 56,
    "g": 29,
    "b": 123
  },
  "hsl": {
    "h": 257.234,
    "s": 61.842,
    "l": 29.804
  },
  "oklch": {
    "l": 0.33234,
    "c": 0.14784,
    "h": 288.8
  },
  "luminance": 0.0315
}

Semantic roles & 50–950 ramp

primary

#381D7B

secondary

#90AF45

accent

#E543B6

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #381D7B

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

Preview Lab → · Contrast checker → · Palette generator →