#381B75#381B75

#381B75 is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.4% C 0.143 H 290.9°. Best body text is #FFFFFF at 13.28:1 contrast (WCAG AA passes).

Color values

HEX	#381B75
RGB	rgb(56, 27, 117)
HSL	hsl(259, 63%, 28%)
HSV	hsv(259, 77%, 46%)
CMYK	cmyk(52.1%, 76.9%, 0%, 54.1%)
CIE-LAB	lab(19.67, 36.44, -46.42)
CIE-LCH	lch(19.67, 59.02, 308.13°)
OKLab	oklab(32.38% 0.051 -0.1333)
OKLCH	oklch(32.38% 0.143 290.9)
XYZ	xyz(5.2328, 2.9088, 17.1119)
Luminance	0.0291 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381B75 #58751B

analogous

#1B2B75 #381B75 #651B75

triadic

#381B75 #75381B #1B7538

tetradic

#381B75 #751B2B #58751B #1B7565

square

#381B75 #751B2B #58751B #1B7565

split-complementary

#381B75 #75651B #2B751B

monochromatic

#0C0619 #201043 #381B75 #5026A7 #6A39D1

Accessibility & contrast

On white

13.28

#381B75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#381B75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381B75

13.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381B75	#FFFFFF	#000000	##FFFFFF
##381B75	1.00	13.28	1.58	13.28
#FFFFFF	13.28	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003178

Deuteranopia (green-blind)

#002E73

Tritanopia (blue-blind)

#233346

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #381b75;
/* rgb */ color: rgb(56, 27, 117);
/* oklch */ color: oklch(32.4% 0.143 290.9);

Tailwind

colors: {
  custom: {
    50: '#765b9e',
    500: '#381b75',
    950: '#000000',
  },
}

SCSS

$custom: #381b75;
$custom-light: #765b9e;
$custom-dark: #000000;

JSON

{
  "hex": "#381b75",
  "rgb": {
    "r": 56,
    "g": 27,
    "b": 117
  },
  "hsl": {
    "h": 259.333,
    "s": 62.5,
    "l": 28.235
  },
  "oklch": {
    "l": 0.32381,
    "c": 0.1427,
    "h": 290.9
  },
  "luminance": 0.02909
}

Semantic roles & 50–950 ramp

primary

#381B75

secondary

#88A942

accent

#E642B1

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040E

muted

#7B797E

Preview Lab

Preview with #381B75

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

Preview Lab → · Contrast checker → · Palette generator →