#551F71#551F71

#551F71 is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.2% C 0.138 H 311.6°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#551F71
RGB	rgb(85, 31, 113)
HSL	hsl(280, 57%, 28%)
HSV	hsv(280, 73%, 44%)
CMYK	cmyk(24.8%, 72.6%, 0%, 55.7%)
CIE-LAB	lab(24.01, 39.26, -36.62)
CIE-LCH	lch(24.01, 53.69, 316.99°)
OKLab	oklab(36.22% 0.0919 -0.1034)
OKLCH	oklch(36.22% 0.138 311.6)
XYZ	xyz(7.2164, 4.1037, 16.0315)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551F71 #3B711F

analogous

#2C1F71 #551F71 #711F64

triadic

#551F71 #71551F #1F7155

tetradic

#551F71 #712C1F #3B711F #1F6471

square

#551F71 #712C1F #3B711F #1F6471

split-complementary

#551F71 #64711F #1F712C

monochromatic

#120718 #311241 #551F71 #792CA1 #9B40CB

Accessibility & contrast

On white

11.53

#551F71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#551F71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551F71

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551F71	#FFFFFF	#000000	##FFFFFF
##551F71	1.00	11.53	1.82	11.53
#FFFFFF	11.53	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003773

Deuteranopia (green-blind)

#153A6F

Tritanopia (blue-blind)

#523045

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #551f71;
/* rgb */ color: rgb(85, 31, 113);
/* oklch */ color: oklch(36.2% 0.138 311.6);

Tailwind

colors: {
  custom: {
    50: '#88609a',
    500: '#551f71',
    950: '#000000',
  },
}

SCSS

$custom: #551f71;
$custom-light: #88609a;
$custom-dark: #000000;

JSON

{
  "hex": "#551f71",
  "rgb": {
    "r": 85,
    "g": 31,
    "b": 113
  },
  "hsl": {
    "h": 279.512,
    "s": 56.944,
    "l": 28.235
  },
  "oklch": {
    "l": 0.36221,
    "c": 0.13837,
    "h": 311.6
  },
  "luminance": 0.04104
}

Semantic roles & 50–950 ramp

primary

#551F71

secondary

#67A547

accent

#E0487C

background

#F8F5F9

surface

#F0EAF2

border

#CBC6CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #551F71

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

Preview Lab → · Contrast checker → · Palette generator →