#381FAC#381FAC

#381FAC is a dark, highly saturated violet. Relative luminance 0.048; OKLCH L 38.6% C 0.204 H 279.0°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#381FAC
RGB	rgb(56, 31, 172)
HSL	hsl(251, 69%, 40%)
HSV	hsv(251, 82%, 67%)
CMYK	cmyk(67.4%, 82%, 0%, 32.5%)
CIE-LAB	lab(26.15, 50.88, -69.90)
CIE-LCH	lch(26.15, 86.45, 306.05°)
OKLab	oklab(38.63% 0.0319 -0.2018)
OKLCH	oklch(38.63% 0.204 279)
XYZ	xyz(9.5649, 4.7985, 39.4439)
Luminance	0.0480 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381FAC #93AC1F

analogous

#1F4DAC #381FAC #7E1FAC

triadic

#381FAC #AC381F #1FAC38

tetradic

#381FAC #AC1F4D #93AC1F #1FAC7E

square

#381FAC #AC1F4D #93AC1F #1FAC7E

split-complementary

#381FAC #AC7E1F #4DAC1F

monochromatic

#160C44 #271678 #381FAC #4D2FD9 #7963E3

Accessibility & contrast

On white

10.72

#381FAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#381FAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381FAC

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381FAC	#FFFFFF	#000000	##FFFFFF
##381FAC	1.00	10.72	1.96	10.72
#FFFFFF	10.72	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B0

Deuteranopia (green-blind)

#0038AA

Tritanopia (blue-blind)

#004B67

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #381fac;
/* rgb */ color: rgb(56, 31, 172);
/* oklch */ color: oklch(38.6% 0.204 279.0);

Tailwind

colors: {
  custom: {
    50: '#8060c6',
    500: '#381fac',
    950: '#000000',
  },
}

SCSS

$custom: #381fac;
$custom-light: #8060c6;
$custom-dark: #000000;

JSON

{
  "hex": "#381fac",
  "rgb": {
    "r": 56,
    "g": 31,
    "b": 172
  },
  "hsl": {
    "h": 250.638,
    "s": 69.458,
    "l": 39.804
  },
  "oklch": {
    "l": 0.38629,
    "c": 0.20435,
    "h": 279
  },
  "luminance": 0.04799
}

Semantic roles & 50–950 ramp

primary

#381FAC

secondary

#B5C85F

accent

#EC3CCD

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #381FAC

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

Preview Lab → · Contrast checker → · Palette generator →