#551D70#551D70

#551D70 is a dark, vivid purple. Relative luminance 0.040; OKLCH L 35.9% C 0.140 H 312.4°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#551D70
RGB	rgb(85, 29, 112)
HSL	hsl(280, 59%, 28%)
HSV	hsv(280, 74%, 44%)
CMYK	cmyk(24.1%, 74.1%, 0%, 56.1%)
CIE-LAB	lab(23.61, 39.96, -36.63)
CIE-LCH	lch(23.61, 54.21, 317.49°)
OKLab	oklab(35.91% 0.0943 -0.1035)
OKLCH	oklch(35.91% 0.14 312.4)
XYZ	xyz(7.1098, 3.9801, 15.7198)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551D70 #38701D

analogous

#2C1D70 #551D70 #701D61

triadic

#551D70 #70551D #1D7055

tetradic

#551D70 #702C1D #38701D #1D6170

square

#551D70 #702C1D #38701D #1D6170

split-complementary

#551D70 #61701D #1D702C

monochromatic

#120618 #30103F #551D70 #7A2AA1 #9D3BCC

Accessibility & contrast

On white

11.69

#551D70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#551D70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551D70

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551D70	#FFFFFF	#000000	##FFFFFF
##551D70	1.00	11.69	1.80	11.69
#FFFFFF	11.69	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003572

Deuteranopia (green-blind)

#14396E

Tritanopia (blue-blind)

#522F44

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #551d70;
/* rgb */ color: rgb(85, 29, 112);
/* oklch */ color: oklch(35.9% 0.140 312.4);

Tailwind

colors: {
  custom: {
    50: '#885f9a',
    500: '#551d70',
    950: '#000000',
  },
}

SCSS

$custom: #551d70;
$custom-light: #885f9a;
$custom-dark: #000000;

JSON

{
  "hex": "#551d70",
  "rgb": {
    "r": 85,
    "g": 29,
    "b": 112
  },
  "hsl": {
    "h": 280.482,
    "s": 58.865,
    "l": 27.647
  },
  "oklch": {
    "l": 0.35908,
    "c": 0.14001,
    "h": 312.4
  },
  "luminance": 0.0398
}

Semantic roles & 50–950 ramp

primary

#551D70

secondary

#64A444

accent

#E24679

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #551D70

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

Preview Lab → · Contrast checker → · Palette generator →