#381AA1#381AA1

#381AA1 is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.9% C 0.196 H 281.1°. Best body text is #FFFFFF at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#381AA1
RGB	rgb(56, 26, 161)
HSL	hsl(253, 72%, 37%)
HSV	hsv(253, 84%, 63%)
CMYK	cmyk(65.2%, 83.9%, 0%, 36.9%)
CIE-LAB	lab(24.17, 49.85, -66.52)
CIE-LCH	lch(24.17, 83.13, 306.85°)
OKLab	oklab(36.9% 0.0377 -0.192)
OKLCH	oklch(36.9% 0.196 281.1)
XYZ	xyz(8.4313, 4.1521, 34.0684)
Luminance	0.0415 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381AA1 #83A11A

analogous

#1A40A1 #381AA1 #7C1AA1

triadic

#381AA1 #A1381A #1AA138

tetradic

#381AA1 #A11A40 #83A11A #1AA17C

square

#381AA1 #A11A40 #83A11A #1AA17C

split-complementary

#381AA1 #A17C1A #40A11A

monochromatic

#130938 #26116C #381AA1 #4A23D6 #7252E3

Accessibility & contrast

On white

11.47

#381AA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#381AA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381AA1

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381AA1	#FFFFFF	#000000	##FFFFFF
##381AA1	1.00	11.47	1.83	11.47
#FFFFFF	11.47	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA5

Deuteranopia (green-blind)

#00349F

Tritanopia (blue-blind)

#00455F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #381aa1;
/* rgb */ color: rgb(56, 26, 161);
/* oklch */ color: oklch(36.9% 0.196 281.1);

Tailwind

colors: {
  custom: {
    50: '#7e5dbe',
    500: '#381aa1',
    950: '#000000',
  },
}

SCSS

$custom: #381aa1;
$custom-light: #7e5dbe;
$custom-dark: #000000;

JSON

{
  "hex": "#381aa1",
  "rgb": {
    "r": 56,
    "g": 26,
    "b": 161
  },
  "hsl": {
    "h": 253.333,
    "s": 72.193,
    "l": 36.667
  },
  "oklch": {
    "l": 0.36897,
    "c": 0.19563,
    "h": 281.1
  },
  "luminance": 0.04153
}

Semantic roles & 50–950 ramp

primary

#381AA1

secondary

#ACC651

accent

#EF39C6

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #381AA1

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

Preview Lab → · Contrast checker → · Palette generator →