#381B5F#381B5F

#381B5F is a dark, moderate violet. Relative luminance 0.025; OKLCH L 30.4% C 0.115 H 298.9°. Best body text is #FFFFFF at 14.09:1 contrast (WCAG AA passes).

Color values

HEX	#381B5F
RGB	rgb(56, 27, 95)
HSL	hsl(266, 56%, 24%)
HSV	hsv(266, 72%, 37%)
CMYK	cmyk(41.1%, 71.6%, 0%, 62.7%)
CIE-LAB	lab(17.69, 29.95, -35.28)
CIE-LCH	lch(17.69, 46.28, 310.32°)
OKLab	oklab(30.36% 0.0556 -0.1006)
OKLCH	oklch(30.36% 0.115 298.9)
XYZ	xyz(4.0879, 2.4508, 11.0819)
Luminance	0.0245 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 5.48

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381B5F #425F1B

analogous

#1B205F #381B5F #5A1B5F

triadic

#381B5F #5F381B #1B5F38

tetradic

#381B5F #5F1B20 #425F1B #1B5F5A

square

#381B5F #5F1B20 #425F1B #1B5F5A

split-complementary

#381B5F #5F5A1B #205F1B

monochromatic

#0E0718 #1C0D2F #381B5F #54298F #7036BE

Accessibility & contrast

On white

14.09

#381B5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#381B5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381B5F

14.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381B5F	#FFFFFF	#000000	##FFFFFF
##381B5F	1.00	14.09	1.49	14.09
#FFFFFF	14.09	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B61

Deuteranopia (green-blind)

#002B5E

Tritanopia (blue-blind)

#2F2B3A

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #381b5f;
/* rgb */ color: rgb(56, 27, 95);
/* oklch */ color: oklch(30.4% 0.115 298.9);

Tailwind

colors: {
  custom: {
    50: '#72598d',
    500: '#381b5f',
    950: '#000000',
  },
}

SCSS

$custom: #381b5f;
$custom-light: #72598d;
$custom-dark: #000000;

JSON

{
  "hex": "#381b5f",
  "rgb": {
    "r": 56,
    "g": 27,
    "b": 95
  },
  "hsl": {
    "h": 265.588,
    "s": 55.738,
    "l": 23.922
  },
  "oklch": {
    "l": 0.30358,
    "c": 0.11491,
    "h": 298.9
  },
  "luminance": 0.02451
}

Semantic roles & 50–950 ramp

primary

#381B5F

secondary

#719541

accent

#DF499F

background

#F7F5F8

surface

#EDE9F0

border

#C8C5CB

text

#08040C

muted

#7B797D

Preview Lab

Preview with #381B5F

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

Preview Lab → · Contrast checker → · Palette generator →