#381B6D#381B6D

#381B6D is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.6% C 0.133 H 293.5°. Best body text is #FFFFFF at 13.59:1 contrast (WCAG AA passes).

Color values

HEX	#381B6D
RGB	rgb(56, 27, 109)
HSL	hsl(261, 60%, 27%)
HSV	hsv(261, 75%, 43%)
CMYK	cmyk(48.6%, 75.2%, 0%, 57.3%)
CIE-LAB	lab(18.92, 34.06, -42.48)
CIE-LCH	lch(18.92, 54.45, 308.72°)
OKLab	oklab(31.62% 0.053 -0.1217)
OKLCH	oklch(31.62% 0.133 293.5)
XYZ	xyz(4.7824, 2.7286, 14.7397)
Luminance	0.0273 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381B6D #506D1B

analogous

#1B276D #381B6D #611B6D

triadic

#381B6D #6D381B #1B6D38

tetradic

#381B6D #6D1B27 #506D1B #1B6D61

square

#381B6D #6D1B27 #506D1B #1B6D61

split-complementary

#381B6D #6D611B #276D1B

monochromatic

#0D0619 #1F0F3C #381B6D #51279E #6B35CD

Accessibility & contrast

On white

13.59

#381B6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#381B6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381B6D

13.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381B6D	#FFFFFF	#000000	##FFFFFF
##381B6D	1.00	13.59	1.55	13.59
#FFFFFF	13.59	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F6F

Deuteranopia (green-blind)

#002C6B

Tritanopia (blue-blind)

#283042

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #381b6d;
/* rgb */ color: rgb(56, 27, 109);
/* oklch */ color: oklch(31.6% 0.133 293.5);

Tailwind

colors: {
  custom: {
    50: '#745a98',
    500: '#381b6d',
    950: '#000000',
  },
}

SCSS

$custom: #381b6d;
$custom-light: #745a98;
$custom-dark: #000000;

JSON

{
  "hex": "#381b6d",
  "rgb": {
    "r": 56,
    "g": 27,
    "b": 109
  },
  "hsl": {
    "h": 261.22,
    "s": 60.294,
    "l": 26.667
  },
  "oklch": {
    "l": 0.31617,
    "c": 0.13274,
    "h": 293.5
  },
  "luminance": 0.02729
}

Semantic roles & 50–950 ramp

primary

#381B6D

secondary

#80A242

accent

#E344AB

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040E

muted

#7B797E

Preview Lab

Preview with #381B6D

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

Preview Lab → · Contrast checker → · Palette generator →