#381F76#381F76

#381F76 is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.0% C 0.139 H 289.7°. Best body text is #FFFFFF at 12.92:1 contrast (WCAG AA passes).

Color values

HEX	#381F76
RGB	rgb(56, 31, 118)
HSL	hsl(257, 58%, 29%)
HSV	hsv(257, 74%, 46%)
CMYK	cmyk(52.5%, 73.7%, 0%, 53.7%)
CIE-LAB	lab(20.55, 34.55, -45.63)
CIE-LCH	lch(20.55, 57.23, 307.13°)
OKLab	oklab(33.03% 0.047 -0.131)
OKLCH	oklch(33.03% 0.139 289.7)
XYZ	xyz(5.3899, 3.1285, 17.4559)
Luminance	0.0313 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381F76 #5D761F

analogous

#1F3276 #381F76 #641F76

triadic

#381F76 #76381F #1F7638

tetradic

#381F76 #761F32 #5D761F #1F7664

square

#381F76 #761F32 #5D761F #1F7664

split-complementary

#381F76 #76641F #32761F

monochromatic

#0C0618 #211246 #381F76 #4F2CA6 #6A42CD

Accessibility & contrast

On white

12.92

#381F76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#381F76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381F76

12.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381F76	#FFFFFF	#000000	##FFFFFF
##381F76	1.00	12.92	1.63	12.92
#FFFFFF	12.92	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003379

Deuteranopia (green-blind)

#002F74

Tritanopia (blue-blind)

#223648

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #381f76;
/* rgb */ color: rgb(56, 31, 118);
/* oklch */ color: oklch(33.0% 0.139 289.7);

Tailwind

colors: {
  custom: {
    50: '#755d9e',
    500: '#381f76',
    950: '#000000',
  },
}

SCSS

$custom: #381f76;
$custom-light: #755d9e;
$custom-dark: #000000;

JSON

{
  "hex": "#381f76",
  "rgb": {
    "r": 56,
    "g": 31,
    "b": 118
  },
  "hsl": {
    "h": 257.241,
    "s": 58.389,
    "l": 29.216
  },
  "oklch": {
    "l": 0.33031,
    "c": 0.13915,
    "h": 289.7
  },
  "luminance": 0.03129
}

Semantic roles & 50–950 ramp

primary

#381F76

secondary

#8DAA47

accent

#E246B5

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040E

muted

#7B797E

Preview Lab

Preview with #381F76

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

Preview Lab → · Contrast checker → · Palette generator →