#381B5C#381B5C

#381B5C is a dark, moderate violet. Relative luminance 0.024; OKLCH L 30.1% C 0.111 H 300.3°. Best body text is #FFFFFF at 14.19:1 contrast (WCAG AA passes).

Color values

HEX	#381B5C
RGB	rgb(56, 27, 92)
HSL	hsl(267, 55%, 23%)
HSV	hsv(267, 71%, 36%)
CMYK	cmyk(39.1%, 70.7%, 0%, 63.9%)
CIE-LAB	lab(17.45, 29.08, -33.69)
CIE-LCH	lch(17.45, 44.50, 310.80°)
OKLab	oklab(30.1% 0.056 -0.0959)
OKLCH	oklch(30.1% 0.111 300.3)
XYZ	xyz(3.9541, 2.3973, 10.3775)
Luminance	0.0240 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 5.64

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381B5C #3F5C1B

analogous

#1B1E5C #381B5C #581B5C

triadic

#381B5C #5C381B #1B5C38

tetradic

#381B5C #5C1B1E #3F5C1B #1B5C58

square

#381B5C #5C1B1E #3F5C1B #1B5C58

split-complementary

#381B5C #5C581B #1E5C1B

monochromatic

#0E0718 #1B0D2D #381B5C #55298B #7237BB

Accessibility & contrast

On white

14.19

#381B5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#381B5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381B5C

14.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381B5C	#FFFFFF	#000000	##FFFFFF
##381B5C	1.00	14.19	1.48	14.19
#FFFFFF	14.19	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B5E

Deuteranopia (green-blind)

#002A5B

Tritanopia (blue-blind)

#302A39

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #381b5c;
/* rgb */ color: rgb(56, 27, 92);
/* oklch */ color: oklch(30.1% 0.111 300.3);

Tailwind

colors: {
  custom: {
    50: '#72598b',
    500: '#381b5c',
    950: '#000000',
  },
}

SCSS

$custom: #381b5c;
$custom-light: #72598b;
$custom-dark: #000000;

JSON

{
  "hex": "#381b5c",
  "rgb": {
    "r": 56,
    "g": 27,
    "b": 92
  },
  "hsl": {
    "h": 266.769,
    "s": 54.622,
    "l": 23.333
  },
  "oklch": {
    "l": 0.30102,
    "c": 0.11103,
    "h": 300.3
  },
  "luminance": 0.02397
}

Semantic roles & 50–950 ramp

primary

#381B5C

secondary

#6E9241

accent

#DE4A9C

background

#F7F5F8

surface

#EDE9F0

border

#C8C5CB

text

#08040C

muted

#7B797D

Preview Lab

Preview with #381B5C

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

Preview Lab → · Contrast checker → · Palette generator →