#553571#553571

#553571 is a dark, moderate violet. Relative luminance 0.057; OKLCH L 39.5% C 0.103 H 306.9°. Best body text is #FFFFFF at 9.84:1 contrast (WCAG AA passes).

Color values

HEX	#553571
RGB	rgb(85, 53, 113)
HSL	hsl(272, 36%, 33%)
HSV	hsv(272, 53%, 44%)
CMYK	cmyk(24.8%, 53.1%, 0%, 55.7%)
CIE-LAB	lab(28.56, 27.03, -29.35)
CIE-LCH	lch(28.56, 39.90, 312.65°)
OKLab	oklab(39.54% 0.0618 -0.0822)
OKLCH	oklch(39.54% 0.103 306.9)
XYZ	xyz(7.9994, 5.6698, 16.2926)
Luminance	0.0567 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 10.48

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#553571 #517135

analogous

#373571 #553571 #71356F

triadic

#553571 #715535 #357155

tetradic

#553571 #713735 #517135 #356F71

square

#553571 #713735 #517135 #356F71

split-complementary

#553571 #6F7135 #357137

monochromatic

#160E1E #362147 #553571 #74499B #9368B8

Accessibility & contrast

On white

9.84

#553571 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#553571 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #553571

9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##553571	#FFFFFF	#000000	##FFFFFF
##553571	1.00	9.84	2.13	9.84
#FFFFFF	9.84	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#244273

Deuteranopia (green-blind)

#2D446F

Tritanopia (blue-blind)

#513F4E

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #553571;
/* rgb */ color: rgb(85, 53, 113);
/* oklch */ color: oklch(39.5% 0.103 306.9);

Tailwind

colors: {
  custom: {
    50: '#876d9a',
    500: '#553571',
    950: '#000000',
  },
}

SCSS

$custom: #553571;
$custom-light: #876d9a;
$custom-dark: #000000;

JSON

{
  "hex": "#553571",
  "rgb": {
    "r": 85,
    "g": 53,
    "b": 113
  },
  "hsl": {
    "h": 272,
    "s": 36.145,
    "l": 32.549
  },
  "oklch": {
    "l": 0.39539,
    "c": 0.10288,
    "h": 306.9
  },
  "luminance": 0.0567
}

Semantic roles & 50–950 ramp

primary

#553571

secondary

#7FA161

accent

#CC5C90

background

#F8F6F9

surface

#F0EBF2

border

#CBC6CC

text

#0B070E

muted

#7C7A7E

Preview Lab

Preview with #553571

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

Preview Lab → · Contrast checker → · Palette generator →