#381FAD#381FAD

#381FAD is a dark, highly saturated violet. Relative luminance 0.048; OKLCH L 38.7% C 0.205 H 278.8°. Best body text is #FFFFFF at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#381FAD
RGB	rgb(56, 31, 173)
HSL	hsl(251, 70%, 40%)
HSV	hsv(251, 82%, 68%)
CMYK	cmyk(67.6%, 82.1%, 0%, 32.2%)
CIE-LAB	lab(26.27, 51.17, -70.31)
CIE-LCH	lch(26.27, 86.96, 306.05°)
OKLab	oklab(38.74% 0.0316 -0.2031)
OKLCH	oklch(38.74% 0.206 278.8)
XYZ	xyz(9.6613, 4.8370, 39.9516)
Luminance	0.0484 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381FAD #94AD1F

analogous

#1F4DAD #381FAD #7F1FAD

triadic

#381FAD #AD381F #1FAD38

tetradic

#381FAD #AD1F4D #94AD1F #1FAD7F

square

#381FAD #AD1F4D #94AD1F #1FAD7F

split-complementary

#381FAD #AD7F1F #4DAD1F

monochromatic

#160C45 #271679 #381FAD #4D2FDA #7A63E3

Accessibility & contrast

On white

10.67

#381FAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#381FAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381FAD

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381FAD	#FFFFFF	#000000	##FFFFFF
##381FAD	1.00	10.67	1.97	10.67
#FFFFFF	10.67	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B1

Deuteranopia (green-blind)

#0038AB

Tritanopia (blue-blind)

#004C67

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #381fad;
/* rgb */ color: rgb(56, 31, 173);
/* oklch */ color: oklch(38.7% 0.205 278.8);

Tailwind

colors: {
  custom: {
    50: '#8060c7',
    500: '#381fad',
    950: '#000000',
  },
}

SCSS

$custom: #381fad;
$custom-light: #8060c7;
$custom-dark: #000000;

JSON

{
  "hex": "#381fad",
  "rgb": {
    "r": 56,
    "g": 31,
    "b": 173
  },
  "hsl": {
    "h": 250.563,
    "s": 69.608,
    "l": 40
  },
  "oklch": {
    "l": 0.3874,
    "c": 0.2055,
    "h": 278.8
  },
  "luminance": 0.04838
}

Semantic roles & 50–950 ramp

primary

#381FAD

secondary

#B6C860

accent

#EC3BCD

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #381FAD

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

Preview Lab → · Contrast checker → · Palette generator →