#381F8F#381F8F

#381F8F is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.5% C 0.170 H 283.8°. Best body text is #FFFFFF at 11.93:1 contrast (WCAG AA passes).

Color values

HEX	#381F8F
RGB	rgb(56, 31, 143)
HSL	hsl(253, 64%, 34%)
HSV	hsv(253, 78%, 56%)
CMYK	cmyk(60.8%, 78.3%, 0%, 43.9%)
CIE-LAB	lab(23.01, 42.20, -57.36)
CIE-LCH	lch(23.01, 71.22, 306.34°)
OKLab	oklab(35.51% 0.0406 -0.1653)
OKLCH	oklch(35.51% 0.17 283.8)
XYZ	xyz(7.0773, 3.8034, 26.3425)
Luminance	0.0380 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381F8F #768F1F

analogous

#1F3E8F #381F8F #701F8F

triadic

#381F8F #8F381F #1F8F38

tetradic

#381F8F #8F1F3E #768F1F #1F8F70

square

#381F8F #8F1F3E #768F1F #1F8F70

split-complementary

#381F8F #8F701F #3E8F1F

monochromatic

#11092A #24145D #381F8F #4C2AC1 #6E4FD9

Accessibility & contrast

On white

11.93

#381F8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#381F8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381F8F

11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381F8F	#FFFFFF	#000000	##FFFFFF
##381F8F	1.00	11.93	1.76	11.93
#FFFFFF	11.93	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A92

Deuteranopia (green-blind)

#00338D

Tritanopia (blue-blind)

#003F56

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #381f8f;
/* rgb */ color: rgb(56, 31, 143);
/* oklch */ color: oklch(35.5% 0.170 283.8);

Tailwind

colors: {
  custom: {
    50: '#7a5eb1',
    500: '#381f8f',
    950: '#000000',
  },
}

SCSS

$custom: #381f8f;
$custom-light: #7a5eb1;
$custom-dark: #000000;

JSON

{
  "hex": "#381f8f",
  "rgb": {
    "r": 56,
    "g": 31,
    "b": 143
  },
  "hsl": {
    "h": 253.393,
    "s": 64.368,
    "l": 34.118
  },
  "oklch": {
    "l": 0.35514,
    "c": 0.17024,
    "h": 283.8
  },
  "luminance": 0.03804
}

Semantic roles & 50–950 ramp

primary

#381F8F

secondary

#A3BC4E

accent

#E740C2

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0511

muted

#7C7980

Preview Lab

Preview with #381F8F

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

Preview Lab → · Contrast checker → · Palette generator →