#381DA1#381DA1

#381DA1 is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.2% C 0.193 H 280.8°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).

Color values

HEX#381DA1
RGBrgb(56, 29, 161)
HSLhsl(252, 69%, 37%)
HSVhsv(252, 82%, 63%)
CMYKcmyk(65.2%, 82%, 0%, 36.9%)
CIE-LABlab(24.61, 48.55, -65.78)
CIE-LCHlch(24.61, 81.76, 306.43°)
OKLaboklab(37.21% 0.0363 -0.1899)
OKLCHoklch(37.21% 0.193 280.8)
XYZxyz(8.5012, 4.2920, 34.0918)
Luminance0.0429 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#381DA1 #86A11D
analogous
#1D44A1 #381DA1 #7A1DA1
triadic
#381DA1 #A1381D #1DA138
tetradic
#381DA1 #A11D44 #86A11D #1DA17A
square
#381DA1 #A11D44 #86A11D #1DA17A
split-complementary
#381DA1 #A17A1D #44A11D
monochromatic
#140A39 #26146D #381DA1 #4A26D5 #7458E1

Accessibility & contrast

On white

11.30
#381DA1 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.86
#381DA1 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381DA1
11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##381DA1#FFFFFF#000000##FFFFFF
##381DA11.0011.301.8611.30
#FFFFFF11.301.0021.001.00
#0000001.8621.001.0021.00
##FFFFFF11.301.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003FA5
Deuteranopia (green-blind)
#00359F
Tritanopia (blue-blind)
#004660
Achromatopsia (no color)
#3A3A3A

Design tokens & code

CSS
--color: #381da1;
/* rgb */ color: rgb(56, 29, 161);
/* oklch */ color: oklch(37.2% 0.193 280.8);
Tailwind
colors: {
  custom: {
    50: '#7e5ebe',
    500: '#381da1',
    950: '#000000',
  },
}
SCSS
$custom: #381da1;
$custom-light: #7e5ebe;
$custom-dark: #000000;
JSON
{
  "hex": "#381da1",
  "rgb": {
    "r": 56,
    "g": 29,
    "b": 161
  },
  "hsl": {
    "h": 252.273,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.37205,
    "c": 0.1933,
    "h": 280.8
  },
  "luminance": 0.04293
}

Semantic roles & 50–950 ramp

primary
#381DA1
secondary
#AEC455
accent
#EC3CC8
background
#F8F5FB
surface
#EFE9F7
border
#CAC5D0
text
#0B0512
muted
#7C7981

Preview Lab

Preview with #381DA1

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

Preview Lab → · Contrast checker → · Palette generator →

#381DA1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva