#381B7C#381B7C

#381B7C is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.1% C 0.151 H 288.9°. Best body text is #FFFFFF at 13.00:1 contrast (WCAG AA passes).

Color values

HEX	#381B7C
RGB	rgb(56, 27, 124)
HSL	hsl(258, 64%, 30%)
HSV	hsv(258, 78%, 49%)
CMYK	cmyk(54.8%, 78.2%, 0%, 51.4%)
CIE-LAB	lab(20.36, 38.53, -49.78)
CIE-LCH	lch(20.36, 62.94, 307.74°)
OKLab	oklab(33.07% 0.0491 -0.1431)
OKLCH	oklch(33.07% 0.151 288.9)
XYZ	xyz(5.6598, 3.0796, 19.3611)
Luminance	0.0308 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381B7C #5F7C1B

analogous

#1B2F7C #381B7C #691B7C

triadic

#381B7C #7C381B #1B7C38

tetradic

#381B7C #7C1B2F #5F7C1B #1B7C69

square

#381B7C #7C1B2F #5F7C1B #1B7C69

split-complementary

#381B7C #7C691B #2F7C1B

monochromatic

#0B0519 #21104A #381B7C #4F26AE #6A3DD5

Accessibility & contrast

On white

13.00

#381B7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#381B7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381B7C

13.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381B7C	#FFFFFF	#000000	##FFFFFF
##381B7C	1.00	13.00	1.62	13.00
#FFFFFF	13.00	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	13.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337F

Deuteranopia (green-blind)

#002F7A

Tritanopia (blue-blind)

#1E364A

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #381b7c;
/* rgb */ color: rgb(56, 27, 124);
/* oklch */ color: oklch(33.1% 0.151 288.9);

Tailwind

colors: {
  custom: {
    50: '#775ba3',
    500: '#381b7c',
    950: '#000000',
  },
}

SCSS

$custom: #381b7c;
$custom-light: #775ba3;
$custom-dark: #000000;

JSON

{
  "hex": "#381b7c",
  "rgb": {
    "r": 56,
    "g": 27,
    "b": 124
  },
  "hsl": {
    "h": 257.938,
    "s": 64.238,
    "l": 29.608
  },
  "oklch": {
    "l": 0.33072,
    "c": 0.15129,
    "h": 288.9
  },
  "luminance": 0.0308
}

Semantic roles & 50–950 ramp

primary

#381B7C

secondary

#8FB043

accent

#E741B5

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #381B7C

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

Preview Lab → · Contrast checker → · Palette generator →