#381F66#381F66

#381F66 is a dark, moderate violet. Relative luminance 0.028; OKLCH L 31.6% C 0.118 H 294.9°. Best body text is #FFFFFF at 13.50:1 contrast (WCAG AA passes).

Color values

HEX	#381F66
RGB	rgb(56, 31, 102)
HSL	hsl(261, 53%, 26%)
HSV	hsv(261, 70%, 40%)
CMYK	cmyk(45.1%, 69.6%, 0%, 60%)
CIE-LAB	lab(19.14, 29.66, -37.56)
CIE-LCH	lch(19.14, 47.86, 308.30°)
OKLab	oklab(31.58% 0.0498 -0.1073)
OKLCH	oklch(31.58% 0.118 294.9)
XYZ	xyz(4.5185, 2.7799, 12.8663)
Luminance	0.0278 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381F66 #4D661F

analogous

#1F2966 #381F66 #5B1F66

triadic

#381F66 #66381F #1F6638

tetradic

#381F66 #661F29 #4D661F #1F665B

square

#381F66 #661F29 #4D661F #1F665B

split-complementary

#381F66 #665B1F #29661F

monochromatic

#0D0717 #1E1137 #381F66 #522D95 #6C3CC4

Accessibility & contrast

On white

13.50

#381F66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#381F66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381F66

13.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381F66	#FFFFFF	#000000	##FFFFFF
##381F66	1.00	13.50	1.56	13.50
#FFFFFF	13.50	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F68

Deuteranopia (green-blind)

#002D65

Tritanopia (blue-blind)

#2C303F

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #381f66;
/* rgb */ color: rgb(56, 31, 102);
/* oklch */ color: oklch(31.6% 0.118 294.9);

Tailwind

colors: {
  custom: {
    50: '#735c92',
    500: '#381f66',
    950: '#000000',
  },
}

SCSS

$custom: #381f66;
$custom-light: #735c92;
$custom-dark: #000000;

JSON

{
  "hex": "#381f66",
  "rgb": {
    "r": 56,
    "g": 31,
    "b": 102
  },
  "hsl": {
    "h": 261.127,
    "s": 53.383,
    "l": 26.078
  },
  "oklch": {
    "l": 0.31581,
    "c": 0.11826,
    "h": 294.9
  },
  "luminance": 0.0278
}

Semantic roles & 50–950 ramp

primary

#381F66

secondary

#7D9A46

accent

#DD4BA9

background

#F7F5F9

surface

#EDE9F1

border

#C8C5CB

text

#08040D

muted

#7B797E

Preview Lab

Preview with #381F66

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

Preview Lab → · Contrast checker → · Palette generator →