#381B6F#381B6F

#381B6F is a dark, vivid violet. Relative luminance 0.028; OKLCH L 31.8% C 0.135 H 292.8°. Best body text is #FFFFFF at 13.51:1 contrast (WCAG AA passes).

Color values

HEX	#381B6F
RGB	rgb(56, 27, 111)
HSL	hsl(261, 61%, 27%)
HSV	hsv(261, 76%, 44%)
CMYK	cmyk(49.5%, 75.7%, 0%, 56.5%)
CIE-LAB	lab(19.11, 34.65, -43.48)
CIE-LCH	lch(19.11, 55.60, 308.56°)
OKLab	oklab(31.81% 0.0525 -0.1246)
OKLCH	oklch(31.81% 0.135 292.8)
XYZ	xyz(4.8913, 2.7722, 15.3132)
Luminance	0.0277 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381B6F #526F1B

analogous

#1B286F #381B6F #621B6F

triadic

#381B6F #6F381B #1B6F38

tetradic

#381B6F #6F1B28 #526F1B #1B6F62

square

#381B6F #6F1B28 #526F1B #1B6F62

split-complementary

#381B6F #6F621B #286F1B

monochromatic

#0C0619 #1F0F3E #381B6F #5127A0 #6B36CE

Accessibility & contrast

On white

13.51

#381B6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#381B6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381B6F

13.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381B6F	#FFFFFF	#000000	##FFFFFF
##381B6F	1.00	13.51	1.55	13.51
#FFFFFF	13.51	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F71

Deuteranopia (green-blind)

#002D6D

Tritanopia (blue-blind)

#273143

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #381b6f;
/* rgb */ color: rgb(56, 27, 111);
/* oklch */ color: oklch(31.8% 0.135 292.8);

Tailwind

colors: {
  custom: {
    50: '#755a99',
    500: '#381b6f',
    950: '#000000',
  },
}

SCSS

$custom: #381b6f;
$custom-light: #755a99;
$custom-dark: #000000;

JSON

{
  "hex": "#381b6f",
  "rgb": {
    "r": 56,
    "g": 27,
    "b": 111
  },
  "hsl": {
    "h": 260.714,
    "s": 60.87,
    "l": 27.059
  },
  "oklch": {
    "l": 0.31805,
    "c": 0.13525,
    "h": 292.8
  },
  "luminance": 0.02772
}

Semantic roles & 50–950 ramp

primary

#381B6F

secondary

#82A442

accent

#E444AD

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040E

muted

#7B797E

Preview Lab

Preview with #381B6F

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

Preview Lab → · Contrast checker → · Palette generator →