#381057#381057

#381057 is a dark, vivid violet. Relative luminance 0.019; OKLCH L 28.2% C 0.120 H 305.4°. Best body text is #FFFFFF at 15.22:1 contrast (WCAG AA passes).

Color values

HEX	#381057
RGB	rgb(56, 16, 87)
HSL	hsl(274, 69%, 20%)
HSV	hsv(274, 82%, 34%)
CMYK	cmyk(35.6%, 81.6%, 0%, 65.9%)
CIE-LAB	lab(14.95, 33.51, -34.38)
CIE-LCH	lch(14.95, 48.01, 314.26°)
OKLab	oklab(28.19% 0.0696 -0.0979)
OKLCH	oklch(28.19% 0.12 305.4)
XYZ	xyz(3.5361, 1.8995, 9.1953)
Luminance	0.0190 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 4.95

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381057 #2F5710

analogous

#151057 #381057 #571052

triadic

#381057 #573810 #105738

tetradic

#381057 #571510 #2F5710 #105257

square

#381057 #571510 #2F5710 #105257

split-complementary

#381057 #525710 #105715

monochromatic

#11051A #170623 #381057 #591A8B #7B23BE

Accessibility & contrast

On white

15.22

#381057 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#381057 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381057

15.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381057	#FFFFFF	#000000	##FFFFFF
##381057	1.00	15.22	1.38	15.22
#FFFFFF	15.22	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002459

Deuteranopia (green-blind)

#002656

Tritanopia (blue-blind)

#322233

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #381057;
/* rgb */ color: rgb(56, 16, 87);
/* oklch */ color: oklch(28.2% 0.120 305.4);

Tailwind

colors: {
  custom: {
    50: '#725387',
    500: '#381057',
    950: '#000000',
  },
}

SCSS

$custom: #381057;
$custom-light: #725387;
$custom-dark: #000000;

JSON

{
  "hex": "#381057",
  "rgb": {
    "r": 56,
    "g": 16,
    "b": 87
  },
  "hsl": {
    "h": 273.803,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.28191,
    "c": 0.1201,
    "h": 305.4
  },
  "luminance": 0.01899
}

Semantic roles & 50–950 ramp

primary

#381057

secondary

#5B9032

accent

#EC3C89

background

#F7F4F8

surface

#EDE7EF

border

#C8C3CA

text

#08030B

muted

#7B787C

Preview Lab

Preview with #381057

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

Preview Lab → · Contrast checker → · Palette generator →