#551D7E#551D7E

#551D7E is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.0% C 0.155 H 306.4°. Best body text is #FFFFFF at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#551D7E
RGB	rgb(85, 29, 126)
HSL	hsl(275, 63%, 30%)
HSV	hsv(275, 77%, 49%)
CMYK	cmyk(32.5%, 77%, 0%, 50.6%)
CIE-LAB	lab(24.69, 43.28, -43.81)
CIE-LCH	lch(24.69, 61.58, 314.65°)
OKLab	oklab(37.02% 0.0919 -0.1245)
OKLCH	oklch(37.02% 0.155 306.4)
XYZ	xyz(7.9508, 4.3165, 20.1489)
Luminance	0.0432 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.37

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551D7E #467E1D

analogous

#241D7E #551D7E #7E1D76

triadic

#551D7E #7E551D #1D7E55

tetradic

#551D7E #7E241D #467E1D #1D767E

square

#551D7E #7E241D #467E1D #1D767E

split-complementary

#551D7E #767E1D #1D7E24

monochromatic

#12061B #33124C #551D7E #7728B0 #9642D3

Accessibility & contrast

On white

11.27

#551D7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#551D7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551D7E

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551D7E	#FFFFFF	#000000	##FFFFFF
##551D7E	1.00	11.27	1.86	11.27
#FFFFFF	11.27	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003981

Deuteranopia (green-blind)

#003B7C

Tritanopia (blue-blind)

#4E354C

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #551d7e;
/* rgb */ color: rgb(85, 29, 126);
/* oklch */ color: oklch(37.0% 0.155 306.4);

Tailwind

colors: {
  custom: {
    50: '#895fa4',
    500: '#551d7e',
    950: '#000000',
  },
}

SCSS

$custom: #551d7e;
$custom-light: #895fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#551d7e",
  "rgb": {
    "r": 85,
    "g": 29,
    "b": 126
  },
  "hsl": {
    "h": 274.639,
    "s": 62.581,
    "l": 30.392
  },
  "oklch": {
    "l": 0.3702,
    "c": 0.15481,
    "h": 306.4
  },
  "luminance": 0.04316
}

Semantic roles & 50–950 ramp

primary

#551D7E

secondary

#73B145

accent

#E64287

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #551D7E

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

Preview Lab → · Contrast checker → · Palette generator →