#381FA8#381FA8

#381FA8 is a dark, vivid violet. Relative luminance 0.046; OKLCH L 38.2% C 0.200 H 279.5°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#381FA8
RGB	rgb(56, 31, 168)
HSL	hsl(251, 69%, 39%)
HSV	hsv(251, 82%, 66%)
CMYK	cmyk(66.7%, 81.5%, 0%, 34.1%)
CIE-LAB	lab(25.70, 49.70, -68.23)
CIE-LCH	lch(25.70, 84.41, 306.07°)
OKLab	oklab(38.19% 0.0331 -0.197)
OKLCH	oklch(38.19% 0.2 279.5)
XYZ	xyz(9.1865, 4.6471, 37.4511)
Luminance	0.0465 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381FA8 #8FA81F

analogous

#1F4BA8 #381FA8 #7D1FA8

triadic

#381FA8 #A8381F #1FA838

tetradic

#381FA8 #A81F4B #8FA81F #1FA87D

square

#381FA8 #A81F4B #8FA81F #1FA87D

split-complementary

#381FA8 #A87D1F #4BA81F

monochromatic

#160C41 #271574 #381FA8 #4B2CD8 #7760E2

Accessibility & contrast

On white

10.88

#381FA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#381FA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381FA8

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381FA8	#FFFFFF	#000000	##FFFFFF
##381FA8	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042AC

Deuteranopia (green-blind)

#0037A6

Tritanopia (blue-blind)

#004964

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #381fa8;
/* rgb */ color: rgb(56, 31, 168);
/* oklch */ color: oklch(38.2% 0.200 279.5);

Tailwind

colors: {
  custom: {
    50: '#7f60c3',
    500: '#381fa8',
    950: '#000000',
  },
}

SCSS

$custom: #381fa8;
$custom-light: #7f60c3;
$custom-dark: #000000;

JSON

{
  "hex": "#381fa8",
  "rgb": {
    "r": 56,
    "g": 31,
    "b": 168
  },
  "hsl": {
    "h": 250.949,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.38188,
    "c": 0.19975,
    "h": 279.5
  },
  "luminance": 0.04648
}

Semantic roles & 50–950 ramp

primary

#381FA8

secondary

#B3C65D

accent

#EC3CCC

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #381FA8

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

Preview Lab → · Contrast checker → · Palette generator →