#381FA7#381FA7

#381FA7 is a dark, vivid violet. Relative luminance 0.046; OKLCH L 38.1% C 0.199 H 279.7°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#381FA7
RGB	rgb(56, 31, 167)
HSL	hsl(251, 69%, 39%)
HSV	hsv(251, 81%, 65%)
CMYK	cmyk(66.5%, 81.4%, 0%, 34.5%)
CIE-LAB	lab(25.59, 49.40, -67.81)
CIE-LCH	lch(25.59, 83.89, 306.08°)
OKLab	oklab(38.08% 0.0334 -0.1958)
OKLCH	oklch(38.08% 0.199 279.7)
XYZ	xyz(9.0937, 4.6100, 36.9623)
Luminance	0.0461 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381FA7 #8EA71F

analogous

#1F4AA7 #381FA7 #7C1FA7

triadic

#381FA7 #A7381F #1FA738

tetradic

#381FA7 #A71F4A #8EA71F #1FA77C

square

#381FA7 #A71F4A #8EA71F #1FA77C

split-complementary

#381FA7 #A77C1F #4AA71F

monochromatic

#150C40 #271573 #381FA7 #4B2BD8 #775FE1

Accessibility & contrast

On white

10.92

#381FA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#381FA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381FA7

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381FA7	#FFFFFF	#000000	##FFFFFF
##381FA7	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041AB

Deuteranopia (green-blind)

#0037A5

Tritanopia (blue-blind)

#004964

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #381fa7;
/* rgb */ color: rgb(56, 31, 167);
/* oklch */ color: oklch(38.1% 0.199 279.7);

Tailwind

colors: {
  custom: {
    50: '#7f60c2',
    500: '#381fa7',
    950: '#000000',
  },
}

SCSS

$custom: #381fa7;
$custom-light: #7f60c2;
$custom-dark: #000000;

JSON

{
  "hex": "#381fa7",
  "rgb": {
    "r": 56,
    "g": 31,
    "b": 167
  },
  "hsl": {
    "h": 251.029,
    "s": 68.687,
    "l": 38.824
  },
  "oklch": {
    "l": 0.38078,
    "c": 0.1986,
    "h": 279.7
  },
  "luminance": 0.04611
}

Semantic roles & 50–950 ramp

primary

#381FA7

secondary

#B2C65C

accent

#EC3CCB

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #381FA7

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

Preview Lab → · Contrast checker → · Palette generator →