#381FA1#381FA1

#381FA1 is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.4% C 0.192 H 280.6°. Best body text is #FFFFFF at 11.18:1 contrast (WCAG AA passes).

Color values

HEX	#381FA1
RGB	rgb(56, 31, 161)
HSL	hsl(252, 68%, 38%)
HSV	hsv(252, 81%, 63%)
CMYK	cmyk(65.2%, 80.7%, 0%, 36.9%)
CIE-LAB	lab(24.93, 47.62, -65.26)
CIE-LCH	lch(24.93, 80.79, 306.12°)
OKLab	oklab(37.42% 0.0352 -0.1884)
OKLCH	oklch(37.42% 0.192 280.6)
XYZ	xyz(8.5519, 4.3933, 34.1086)
Luminance	0.0439 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381FA1 #88A11F

analogous

#1F47A1 #381FA1 #791FA1

triadic

#381FA1 #A1381F #1FA138

tetradic

#381FA1 #A11F47 #88A11F #1FA179

square

#381FA1 #A11F47 #88A11F #1FA179

split-complementary

#381FA1 #A1791F #47A11F

monochromatic

#140B3A #26156E #381FA1 #4A29D4 #745BDF

Accessibility & contrast

On white

11.18

#381FA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#381FA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381FA1

11.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381FA1	#FFFFFF	#000000	##FFFFFF
##381FA1	1.00	11.18	1.88	11.18
#FFFFFF	11.18	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A5

Deuteranopia (green-blind)

#00369F

Tritanopia (blue-blind)

#004760

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #381fa1;
/* rgb */ color: rgb(56, 31, 161);
/* oklch */ color: oklch(37.4% 0.192 280.6);

Tailwind

colors: {
  custom: {
    50: '#7e5fbe',
    500: '#381fa1',
    950: '#000000',
  },
}

SCSS

$custom: #381fa1;
$custom-light: #7e5fbe;
$custom-dark: #000000;

JSON

{
  "hex": "#381fa1",
  "rgb": {
    "r": 56,
    "g": 31,
    "b": 161
  },
  "hsl": {
    "h": 251.538,
    "s": 67.708,
    "l": 37.647
  },
  "oklch": {
    "l": 0.37424,
    "c": 0.19163,
    "h": 280.6
  },
  "luminance": 0.04394
}

Semantic roles & 50–950 ramp

primary

#381FA1

secondary

#AFC458

accent

#EB3DC9

background

#F8F5FB

surface

#EFEAF7

border

#CAC6D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #381FA1

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

Preview Lab → · Contrast checker → · Palette generator →