#551F7F#551F7F

#551F7F is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.3% C 0.153 H 305.8°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#551F7F
RGB	rgb(85, 31, 127)
HSL	hsl(274, 61%, 31%)
HSV	hsv(274, 76%, 50%)
CMYK	cmyk(33.1%, 75.6%, 0%, 50.2%)
CIE-LAB	lab(25.09, 42.63, -43.80)
CIE-LCH	lch(25.09, 61.12, 314.22°)
OKLab	oklab(37.33% 0.0897 -0.1245)
OKLCH	oklch(37.33% 0.153 305.8)
XYZ	xyz(8.0662, 4.4436, 20.5073)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.63

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551F7F #497F1F

analogous

#251F7F #551F7F #7F1F79

triadic

#551F7F #7F551F #1F7F55

tetradic

#551F7F #7F251F #497F1F #1F797F

square

#551F7F #7F251F #497F1F #1F797F

split-complementary

#551F7F #797F1F #1F7F25

monochromatic

#13071D #34134E #551F7F #762BB0 #9546D2

Accessibility & contrast

On white

11.12

#551F7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#551F7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551F7F

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551F7F	#FFFFFF	#000000	##FFFFFF
##551F7F	1.00	11.12	1.89	11.12
#FFFFFF	11.12	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A82

Deuteranopia (green-blind)

#003C7D

Tritanopia (blue-blind)

#4D364D

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #551f7f;
/* rgb */ color: rgb(85, 31, 127);
/* oklch */ color: oklch(37.3% 0.153 305.8);

Tailwind

colors: {
  custom: {
    50: '#8960a5',
    500: '#551f7f',
    950: '#000000',
  },
}

SCSS

$custom: #551f7f;
$custom-light: #8960a5;
$custom-dark: #000000;

JSON

{
  "hex": "#551f7f",
  "rgb": {
    "r": 85,
    "g": 31,
    "b": 127
  },
  "hsl": {
    "h": 273.75,
    "s": 60.759,
    "l": 30.98
  },
  "oklch": {
    "l": 0.37325,
    "c": 0.15348,
    "h": 305.8
  },
  "luminance": 0.04444
}

Semantic roles & 50–950 ramp

primary

#551F7F

secondary

#76B248

accent

#E4448A

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #551F7F

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

Preview Lab → · Contrast checker → · Palette generator →