#381BA1#381BA1

#381BA1 is a dark, vivid violet. Relative luminance 0.042; OKLCH L 37.0% C 0.195 H 281.0°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#381BA1
RGB	rgb(56, 27, 161)
HSL	hsl(253, 71%, 37%)
HSV	hsv(253, 83%, 63%)
CMYK	cmyk(65.2%, 83.2%, 0%, 36.9%)
CIE-LAB	lab(24.31, 49.43, -66.28)
CIE-LCH	lch(24.31, 82.68, 306.71°)
OKLab	oklab(37% 0.0373 -0.1913)
OKLCH	oklch(37% 0.195 281)
XYZ	xyz(8.4538, 4.1972, 34.0759)
Luminance	0.0420 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381BA1 #84A11B

analogous

#1B41A1 #381BA1 #7B1BA1

triadic

#381BA1 #A1381B #1BA138

tetradic

#381BA1 #A11B41 #84A11B #1BA17B

square

#381BA1 #A11B41 #84A11B #1BA17B

split-complementary

#381BA1 #A17B1B #41A11B

monochromatic

#140938 #26126D #381BA1 #4A24D5 #7354E2

Accessibility & contrast

On white

11.42

#381BA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#381BA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381BA1

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381BA1	#FFFFFF	#000000	##FFFFFF
##381BA1	1.00	11.42	1.84	11.42
#FFFFFF	11.42	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA5

Deuteranopia (green-blind)

#00359F

Tritanopia (blue-blind)

#004560

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #381ba1;
/* rgb */ color: rgb(56, 27, 161);
/* oklch */ color: oklch(37.0% 0.195 281.0);

Tailwind

colors: {
  custom: {
    50: '#7e5dbe',
    500: '#381ba1',
    950: '#000000',
  },
}

SCSS

$custom: #381ba1;
$custom-light: #7e5dbe;
$custom-dark: #000000;

JSON

{
  "hex": "#381ba1",
  "rgb": {
    "r": 56,
    "g": 27,
    "b": 161
  },
  "hsl": {
    "h": 252.985,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.36997,
    "c": 0.19488,
    "h": 281
  },
  "luminance": 0.04198
}

Semantic roles & 50–950 ramp

primary

#381BA1

secondary

#ACC552

accent

#EE3AC7

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #381BA1

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

Preview Lab → · Contrast checker → · Palette generator →