#381F55#381F55

#381F55 is a dark, moderate violet. Relative luminance 0.025; OKLCH L 30.2% C 0.095 H 302.4°. Best body text is #FFFFFF at 14.04:1 contrast (WCAG AA passes).

Color values

HEX	#381F55
RGB	rgb(56, 31, 85)
HSL	hsl(268, 47%, 23%)
HSV	hsv(268, 64%, 33%)
CMYK	cmyk(34.1%, 63.5%, 0%, 66.7%)
CIE-LAB	lab(17.81, 24.63, -28.41)
CIE-LCH	lch(17.81, 37.60, 310.92°)
OKLab	oklab(30.2% 0.051 -0.0804)
OKLCH	oklch(30.2% 0.095 302.4)
XYZ	xyz(3.7602, 2.4766, 8.8725)
Luminance	0.0248 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381F55 #3C551F

analogous

#1F2155 #381F55 #531F55

triadic

#381F55 #55381F #1F5538

tetradic

#381F55 #551F21 #3C551F #1F5553

square

#381F55 #551F21 #3C551F #1F5553

split-complementary

#381F55 #55531F #21551F

monochromatic

#0F0816 #1A0F28 #381F55 #562F82 #7340AF

Accessibility & contrast

On white

14.04

#381F55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#381F55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381F55

14.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381F55	#FFFFFF	#000000	##FFFFFF
##381F55	1.00	14.04	1.50	14.04
#FFFFFF	14.04	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#062B57

Deuteranopia (green-blind)

#112B54

Tritanopia (blue-blind)

#322A36

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #381f55;
/* rgb */ color: rgb(56, 31, 85);
/* oklch */ color: oklch(30.2% 0.095 302.4);

Tailwind

colors: {
  custom: {
    50: '#715c85',
    500: '#381f55',
    950: '#000000',
  },
}

SCSS

$custom: #381f55;
$custom-light: #715c85;
$custom-dark: #000000;

JSON

{
  "hex": "#381f55",
  "rgb": {
    "r": 56,
    "g": 31,
    "b": 85
  },
  "hsl": {
    "h": 267.778,
    "s": 46.552,
    "l": 22.745
  },
  "oklch": {
    "l": 0.30196,
    "c": 0.0952,
    "h": 302.4
  },
  "luminance": 0.02477
}

Semantic roles & 50–950 ramp

primary

#381F55

secondary

#6A8A46

accent

#D65299

background

#F6F5F8

surface

#ECE9EF

border

#C7C5CA

text

#08040B

muted

#7B797C

Preview Lab

Preview with #381F55

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

Preview Lab → · Contrast checker → · Palette generator →