#551A74#551A74

#551A74 is a dark, vivid violet. Relative luminance 0.039; OKLCH L 35.9% C 0.148 H 310.9°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#551A74
RGB	rgb(85, 26, 116)
HSL	hsl(279, 63%, 28%)
HSV	hsv(279, 78%, 45%)
CMYK	cmyk(26.7%, 77.6%, 0%, 54.5%)
CIE-LAB	lab(23.44, 42.21, -39.47)
CIE-LCH	lch(23.44, 57.79, 316.92°)
OKLab	oklab(35.89% 0.0969 -0.1118)
OKLCH	oklch(35.89% 0.148 310.9)
XYZ	xyz(7.2675, 3.9312, 16.8956)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551A74 #39741A

analogous

#281A74 #551A74 #741A66

triadic

#551A74 #74551A #1A7455

tetradic

#551A74 #74281A #39741A #1A6674

square

#551A74 #74281A #39741A #1A6674

split-complementary

#551A74 #66741A #1A7428

monochromatic

#120619 #300F42 #551A74 #7A25A6 #9C36D2

Accessibility & contrast

On white

11.76

#551A74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#551A74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551A74

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551A74	#FFFFFF	#000000	##FFFFFF
##551A74	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003577

Deuteranopia (green-blind)

#083972

Tritanopia (blue-blind)

#512F46

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #551a74;
/* rgb */ color: rgb(85, 26, 116);
/* oklch */ color: oklch(35.9% 0.148 310.9);

Tailwind

colors: {
  custom: {
    50: '#895d9d',
    500: '#551a74',
    950: '#000000',
  },
}

SCSS

$custom: #551a74;
$custom-light: #895d9d;
$custom-dark: #000000;

JSON

{
  "hex": "#551a74",
  "rgb": {
    "r": 85,
    "g": 26,
    "b": 116
  },
  "hsl": {
    "h": 279.333,
    "s": 63.38,
    "l": 27.843
  },
  "oklch": {
    "l": 0.35888,
    "c": 0.14794,
    "h": 310.9
  },
  "luminance": 0.03931
}

Semantic roles & 50–950 ramp

primary

#551A74

secondary

#65A941

accent

#E6417A

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #551A74

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

Preview Lab → · Contrast checker → · Palette generator →