#381F75#381F75

#381F75 is a dark, vivid violet. Relative luminance 0.031; OKLCH L 32.9% C 0.138 H 290.0°. Best body text is #FFFFFF at 12.95:1 contrast (WCAG AA passes).

Color values

HEX	#381F75
RGB	rgb(56, 31, 117)
HSL	hsl(257, 58%, 29%)
HSV	hsv(257, 74%, 46%)
CMYK	cmyk(52.1%, 73.5%, 0%, 54.1%)
CIE-LAB	lab(20.46, 34.24, -45.14)
CIE-LCH	lch(20.46, 56.65, 307.18°)
OKLab	oklab(32.94% 0.0472 -0.1295)
OKLCH	oklch(32.94% 0.138 290)
XYZ	xyz(5.3308, 3.1049, 17.1446)
Luminance	0.0311 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381F75 #5C751F

analogous

#1F3175 #381F75 #631F75

triadic

#381F75 #75381F #1F7538

tetradic

#381F75 #751F31 #5C751F #1F7563

square

#381F75 #751F31 #5C751F #1F7563

split-complementary

#381F75 #75631F #31751F

monochromatic

#0C0618 #211245 #381F75 #4F2CA5 #6A42CD

Accessibility & contrast

On white

12.95

#381F75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#381F75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381F75

12.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381F75	#FFFFFF	#000000	##FFFFFF
##381F75	1.00	12.95	1.62	12.95
#FFFFFF	12.95	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003378

Deuteranopia (green-blind)

#002F73

Tritanopia (blue-blind)

#233547

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #381f75;
/* rgb */ color: rgb(56, 31, 117);
/* oklch */ color: oklch(32.9% 0.138 290.0);

Tailwind

colors: {
  custom: {
    50: '#755d9e',
    500: '#381f75',
    950: '#000000',
  },
}

SCSS

$custom: #381f75;
$custom-light: #755d9e;
$custom-dark: #000000;

JSON

{
  "hex": "#381f75",
  "rgb": {
    "r": 56,
    "g": 31,
    "b": 117
  },
  "hsl": {
    "h": 257.442,
    "s": 58.108,
    "l": 29.02
  },
  "oklch": {
    "l": 0.32937,
    "c": 0.13787,
    "h": 290
  },
  "luminance": 0.03105
}

Semantic roles & 50–950 ramp

primary

#381F75

secondary

#8CA947

accent

#E146B4

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040E

muted

#7B797E

Preview Lab

Preview with #381F75

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

Preview Lab → · Contrast checker → · Palette generator →