#551F70#551F70

#551F70 is a dark, vivid purple. Relative luminance 0.041; OKLCH L 36.1% C 0.137 H 312.1°. Best body text is #FFFFFF at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#551F70
RGB	rgb(85, 31, 112)
HSL	hsl(280, 57%, 28%)
HSV	hsv(280, 72%, 44%)
CMYK	cmyk(24.1%, 72.3%, 0%, 56.1%)
CIE-LAB	lab(23.94, 39.02, -36.10)
CIE-LCH	lch(23.94, 53.16, 317.23°)
OKLab	oklab(36.15% 0.092 -0.1019)
OKLCH	oklch(36.15% 0.137 312.1)
XYZ	xyz(7.1604, 4.0813, 15.7367)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551F70 #3A701F

analogous

#2C1F70 #551F70 #701F62

triadic

#551F70 #70551F #1F7055

tetradic

#551F70 #702C1F #3A701F #1F6270

square

#551F70 #702C1F #3A701F #1F6270

split-complementary

#551F70 #62701F #1F702C

monochromatic

#120718 #311240 #551F70 #792CA0 #9C3FCA

Accessibility & contrast

On white

11.56

#551F70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#551F70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551F70

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551F70	#FFFFFF	#000000	##FFFFFF
##551F70	1.00	11.56	1.82	11.56
#FFFFFF	11.56	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003672

Deuteranopia (green-blind)

#163A6E

Tritanopia (blue-blind)

#523045

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #551f70;
/* rgb */ color: rgb(85, 31, 112);
/* oklch */ color: oklch(36.1% 0.137 312.1);

Tailwind

colors: {
  custom: {
    50: '#88609a',
    500: '#551f70',
    950: '#000000',
  },
}

SCSS

$custom: #551f70;
$custom-light: #88609a;
$custom-dark: #000000;

JSON

{
  "hex": "#551f70",
  "rgb": {
    "r": 85,
    "g": 31,
    "b": 112
  },
  "hsl": {
    "h": 280,
    "s": 56.643,
    "l": 28.039
  },
  "oklch": {
    "l": 0.36146,
    "c": 0.13731,
    "h": 312.1
  },
  "luminance": 0.04081
}

Semantic roles & 50–950 ramp

primary

#551F70

secondary

#66A447

accent

#E0487B

background

#F8F5F9

surface

#F0EAF2

border

#CBC6CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #551F70

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

Preview Lab → · Contrast checker → · Palette generator →