#381BAE#381BAE

#381BAE is a dark, highly saturated violet. Relative luminance 0.047; OKLCH L 38.5% C 0.210 H 279.0°. Best body text is #FFFFFF at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#381BAE
RGB	rgb(56, 27, 174)
HSL	hsl(252, 73%, 39%)
HSV	hsv(252, 84%, 68%)
CMYK	cmyk(67.8%, 84.5%, 0%, 31.8%)
CIE-LAB	lab(25.80, 53.16, -71.68)
CIE-LCH	lch(25.80, 89.24, 306.56°)
OKLab	oklab(38.46% 0.0329 -0.207)
OKLCH	oklch(38.46% 0.21 279)
XYZ	xyz(9.6604, 4.6798, 40.4304)
Luminance	0.0468 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381BAE #91AE1B

analogous

#1B47AE #381BAE #821BAE

triadic

#381BAE #AE381B #1BAE38

tetradic

#381BAE #AE1B47 #91AE1B #1BAE82

square

#381BAE #AE1B47 #91AE1B #1BAE82

split-complementary

#381BAE #AE821B #47AE1B

monochromatic

#160B44 #271379 #381BAE #4C28DE #785DE6

Accessibility & contrast

On white

10.85

#381BAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#381BAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381BAE

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381BAE	#FFFFFF	#000000	##FFFFFF
##381BAE	1.00	10.85	1.94	10.85
#FFFFFF	10.85	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042B2

Deuteranopia (green-blind)

#0037AC

Tritanopia (blue-blind)

#004B67

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #381bae;
/* rgb */ color: rgb(56, 27, 174);
/* oklch */ color: oklch(38.5% 0.210 279.0);

Tailwind

colors: {
  custom: {
    50: '#815ec8',
    500: '#381bae',
    950: '#000000',
  },
}

SCSS

$custom: #381bae;
$custom-light: #815ec8;
$custom-dark: #000000;

JSON

{
  "hex": "#381bae",
  "rgb": {
    "r": 56,
    "g": 27,
    "b": 174
  },
  "hsl": {
    "h": 251.837,
    "s": 73.134,
    "l": 39.412
  },
  "oklch": {
    "l": 0.38455,
    "c": 0.20957,
    "h": 279
  },
  "luminance": 0.04681
}

Semantic roles & 50–950 ramp

primary

#381BAE

secondary

#B4CA5B

accent

#F038CC

background

#F8F5FC

surface

#F0E9F8

border

#CBC5D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #381BAE

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

Preview Lab → · Contrast checker → · Palette generator →