#381C81#381C81

#381C81 is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.7% C 0.156 H 287.4°. Best body text is #FFFFFF at 12.72:1 contrast (WCAG AA passes).

Color values

HEX	#381C81
RGB	rgb(56, 28, 129)
HSL	hsl(257, 64%, 31%)
HSV	hsv(257, 78%, 51%)
CMYK	cmyk(56.6%, 78.3%, 0%, 49.4%)
CIE-LAB	lab(21.04, 39.51, -51.83)
CIE-LCH	lch(21.04, 65.17, 307.32°)
OKLab	oklab(33.7% 0.0468 -0.1491)
OKLCH	oklch(33.7% 0.156 287.4)
XYZ	xyz(6.0074, 3.2559, 21.0765)
Luminance	0.0326 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381C81 #65811C

analogous

#1C3281 #381C81 #6A1C81

triadic

#381C81 #81381C #1C8138

tetradic

#381C81 #811C32 #65811C #1C816A

square

#381C81 #811C32 #65811C #1C816A

split-complementary

#381C81 #816A1C #32811C

monochromatic

#0C061C #22114F #381C81 #4E27B3 #6B42D6

Accessibility & contrast

On white

12.72

#381C81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#381C81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381C81

12.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381C81	#FFFFFF	#000000	##FFFFFF
##381C81	1.00	12.72	1.65	12.72
#FFFFFF	12.72	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003584

Deuteranopia (green-blind)

#00307F

Tritanopia (blue-blind)

#19384D

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #381c81;
/* rgb */ color: rgb(56, 28, 129);
/* oklch */ color: oklch(33.7% 0.156 287.4);

Tailwind

colors: {
  custom: {
    50: '#785ca7',
    500: '#381c81',
    950: '#000000',
  },
}

SCSS

$custom: #381c81;
$custom-light: #785ca7;
$custom-dark: #000000;

JSON

{
  "hex": "#381c81",
  "rgb": {
    "r": 56,
    "g": 28,
    "b": 129
  },
  "hsl": {
    "h": 256.634,
    "s": 64.331,
    "l": 30.784
  },
  "oklch": {
    "l": 0.33702,
    "c": 0.15631,
    "h": 287.4
  },
  "luminance": 0.03256
}

Semantic roles & 50–950 ramp

primary

#381C81

secondary

#95B444

accent

#E740B9

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #381C81

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

Preview Lab → · Contrast checker → · Palette generator →