#381EA7#381EA7

#381EA7 is a dark, vivid violet. Relative luminance 0.046; OKLCH L 38.0% C 0.199 H 279.8°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#381EA7
RGB	rgb(56, 30, 167)
HSL	hsl(251, 70%, 39%)
HSV	hsv(251, 82%, 65%)
CMYK	cmyk(66.5%, 82%, 0%, 34.5%)
CIE-LAB	lab(25.44, 49.86, -68.06)
CIE-LCH	lch(25.44, 84.37, 306.22°)
OKLab	oklab(37.97% 0.0339 -0.1965)
OKLCH	oklch(37.97% 0.199 279.8)
XYZ	xyz(9.0680, 4.5586, 36.9538)
Luminance	0.0456 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381EA7 #8DA71E

analogous

#1E48A7 #381EA7 #7C1EA7

triadic

#381EA7 #A7381E #1EA738

tetradic

#381EA7 #A71E48 #8DA71E #1EA77C

square

#381EA7 #A71E48 #8DA71E #1EA77C

split-complementary

#381EA7 #A77C1E #48A71E

monochromatic

#150B3F #271573 #381EA7 #4B2AD9 #775DE2

Accessibility & contrast

On white

10.98

#381EA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#381EA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381EA7

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381EA7	#FFFFFF	#000000	##FFFFFF
##381EA7	1.00	10.98	1.91	10.98
#FFFFFF	10.98	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041AB

Deuteranopia (green-blind)

#0037A5

Tritanopia (blue-blind)

#004964

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #381ea7;
/* rgb */ color: rgb(56, 30, 167);
/* oklch */ color: oklch(38.0% 0.199 279.8);

Tailwind

colors: {
  custom: {
    50: '#7f5fc2',
    500: '#381ea7',
    950: '#000000',
  },
}

SCSS

$custom: #381ea7;
$custom-light: #7f5fc2;
$custom-dark: #000000;

JSON

{
  "hex": "#381ea7",
  "rgb": {
    "r": 56,
    "g": 30,
    "b": 167
  },
  "hsl": {
    "h": 251.387,
    "s": 69.543,
    "l": 38.627
  },
  "oklch": {
    "l": 0.37971,
    "c": 0.1994,
    "h": 279.8
  },
  "luminance": 0.04559
}

Semantic roles & 50–950 ramp

primary

#381EA7

secondary

#B2C65B

accent

#EC3BCB

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #381EA7

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

Preview Lab → · Contrast checker → · Palette generator →