#381558#381558

#381558 is a dark, moderate violet. Relative luminance 0.021; OKLCH L 28.9% C 0.115 H 303.8°. Best body text is #FFFFFF at 14.83:1 contrast (WCAG AA passes).

Color values

HEX	#381558
RGB	rgb(56, 21, 88)
HSL	hsl(271, 61%, 21%)
HSV	hsv(271, 76%, 35%)
CMYK	cmyk(36.4%, 76.1%, 0%, 65.5%)
CIE-LAB	lab(15.91, 31.30, -33.50)
CIE-LCH	lch(15.91, 45.85, 313.06°)
OKLab	oklab(28.9% 0.0639 -0.0953)
OKLCH	oklch(28.9% 0.115 303.8)
XYZ	xyz(3.6601, 2.0817, 9.4396)
Luminance	0.0208 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 5.19

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381558 #355815

analogous

#171558 #381558 #581557

triadic

#381558 #583815 #155838

tetradic

#381558 #581715 #355815 #155758

square

#381558 #581715 #355815 #155758

split-complementary

#381558 #575815 #155817

monochromatic

#100619 #190927 #381558 #572189 #772DBB

Accessibility & contrast

On white

14.83

#381558 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#381558 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381558

14.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381558	#FFFFFF	#000000	##FFFFFF
##381558	1.00	14.83	1.42	14.83
#FFFFFF	14.83	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00275A

Deuteranopia (green-blind)

#002757

Tritanopia (blue-blind)

#322535

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #381558;
/* rgb */ color: rgb(56, 21, 88);
/* oklch */ color: oklch(28.9% 0.115 303.8);

Tailwind

colors: {
  custom: {
    50: '#725688',
    500: '#381558',
    950: '#000000',
  },
}

SCSS

$custom: #381558;
$custom-light: #725688;
$custom-dark: #000000;

JSON

{
  "hex": "#381558",
  "rgb": {
    "r": 56,
    "g": 21,
    "b": 88
  },
  "hsl": {
    "h": 271.343,
    "s": 61.468,
    "l": 21.373
  },
  "oklch": {
    "l": 0.28897,
    "c": 0.11474,
    "h": 303.8
  },
  "luminance": 0.02082
}

Semantic roles & 50–950 ramp

primary

#381558

secondary

#629039

accent

#E54390

background

#F7F5F8

surface

#EDE9F0

border

#C8C5CB

text

#08030B

muted

#7B787C

Preview Lab

Preview with #381558

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

Preview Lab → · Contrast checker → · Palette generator →