#381B4E#381B4E

#381B4E is a dark, moderate violet. Relative luminance 0.022; OKLCH L 29.0% C 0.093 H 307.9°. Best body text is #FFFFFF at 14.63:1 contrast (WCAG AA passes).

Color values

HEX	#381B4E
RGB	rgb(56, 27, 78)
HSL	hsl(274, 49%, 21%)
HSV	hsv(274, 65%, 31%)
CMYK	cmyk(28.2%, 65.4%, 0%, 69.4%)
CIE-LAB	lab(16.38, 25.15, -25.97)
CIE-LCH	lch(16.38, 36.15, 314.08°)
OKLab	oklab(28.99% 0.0569 -0.0732)
OKLCH	oklch(28.99% 0.093 307.9)
XYZ	xyz(3.3977, 2.1747, 7.4470)
Luminance	0.0217 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381B4E #314E1B

analogous

#1F1B4E #381B4E #4E1B4A

triadic

#381B4E #4E381B #1B4E38

tetradic

#381B4E #4E1F1B #314E1B #1B4A4E

square

#381B4E #4E1F1B #314E1B #1B4A4E

split-complementary

#381B4E #4A4E1B #1B4E1F

monochromatic

#100817 #170B21 #381B4E #592B7B #793AA9

Accessibility & contrast

On white

14.63

#381B4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#381B4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381B4E

14.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381B4E	#FFFFFF	#000000	##FFFFFF
##381B4E	1.00	14.63	1.44	14.63
#FFFFFF	14.63	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#062750

Deuteranopia (green-blind)

#13294D

Tritanopia (blue-blind)

#352531

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #381b4e;
/* rgb */ color: rgb(56, 27, 78);
/* oklch */ color: oklch(29.0% 0.093 307.9);

Tailwind

colors: {
  custom: {
    50: '#715980',
    500: '#381b4e',
    950: '#000000',
  },
}

SCSS

$custom: #381b4e;
$custom-light: #715980;
$custom-dark: #000000;

JSON

{
  "hex": "#381b4e",
  "rgb": {
    "r": 56,
    "g": 27,
    "b": 78
  },
  "hsl": {
    "h": 274.118,
    "s": 48.571,
    "l": 20.588
  },
  "oklch": {
    "l": 0.28987,
    "c": 0.09271,
    "h": 307.9
  },
  "luminance": 0.02175
}

Semantic roles & 50–950 ramp

primary

#381B4E

secondary

#5E8441

accent

#D8508B

background

#F6F5F7

surface

#ECE9EE

border

#C7C5C9

text

#08030A

muted

#7B787C

Preview Lab

Preview with #381B4E

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

Preview Lab → · Contrast checker → · Palette generator →