#381B6C#381B6C

#381B6C is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.5% C 0.131 H 293.9°. Best body text is #FFFFFF at 13.62:1 contrast (WCAG AA passes).

Color values

HEX	#381B6C
RGB	rgb(56, 27, 108)
HSL	hsl(261, 60%, 26%)
HSV	hsv(261, 75%, 42%)
CMYK	cmyk(48.1%, 75%, 0%, 57.6%)
CIE-LAB	lab(18.83, 33.76, -41.98)
CIE-LCH	lch(18.83, 53.87, 308.81°)
OKLab	oklab(31.52% 0.0532 -0.1202)
OKLCH	oklch(31.52% 0.131 293.9)
XYZ	xyz(4.7289, 2.7072, 14.4578)
Luminance	0.0271 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381B6C #4F6C1B

analogous

#1B276C #381B6C #611B6C

triadic

#381B6C #6C381B #1B6C38

tetradic

#381B6C #6C1B27 #4F6C1B #1B6C61

square

#381B6C #6C1B27 #4F6C1B #1B6C61

split-complementary

#381B6C #6C611B #276C1B

monochromatic

#0D0618 #1F0F3B #381B6C #51279D #6B35CC

Accessibility & contrast

On white

13.62

#381B6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#381B6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381B6C

13.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381B6C	#FFFFFF	#000000	##FFFFFF
##381B6C	1.00	13.62	1.54	13.62
#FFFFFF	13.62	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F6E

Deuteranopia (green-blind)

#002C6A

Tritanopia (blue-blind)

#293041

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #381b6c;
/* rgb */ color: rgb(56, 27, 108);
/* oklch */ color: oklch(31.5% 0.131 293.9);

Tailwind

colors: {
  custom: {
    50: '#745a97',
    500: '#381b6c',
    950: '#000000',
  },
}

SCSS

$custom: #381b6c;
$custom-light: #745a97;
$custom-dark: #000000;

JSON

{
  "hex": "#381b6c",
  "rgb": {
    "r": 56,
    "g": 27,
    "b": 108
  },
  "hsl": {
    "h": 261.481,
    "s": 60,
    "l": 26.471
  },
  "oklch": {
    "l": 0.31524,
    "c": 0.13148,
    "h": 293.9
  },
  "luminance": 0.02707
}

Semantic roles & 50–950 ramp

primary

#381B6C

secondary

#7FA142

accent

#E345AA

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040D

muted

#7B797E

Preview Lab

Preview with #381B6C

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

Preview Lab → · Contrast checker → · Palette generator →