#551F74#551F74

#551F74 is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.4% C 0.142 H 310.3°. Best body text is #FFFFFF at 11.45:1 contrast (WCAG AA passes).

Color values

HEX	#551F74
RGB	rgb(85, 31, 116)
HSL	hsl(278, 58%, 29%)
HSV	hsv(278, 73%, 45%)
CMYK	cmyk(26.7%, 73.3%, 0%, 54.5%)
CIE-LAB	lab(24.23, 39.97, -38.19)
CIE-LCH	lch(24.23, 55.28, 316.30°)
OKLab	oklab(36.45% 0.0915 -0.108)
OKLCH	oklch(36.45% 0.142 310.3)
XYZ	xyz(7.3881, 4.1724, 16.9358)
Luminance	0.0417 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551F74 #3E741F

analogous

#2B1F74 #551F74 #741F69

triadic

#551F74 #74551F #1F7455

tetradic

#551F74 #742B1F #3E741F #1F6974

square

#551F74 #742B1F #3E741F #1F6974

split-complementary

#551F74 #69741F #1F742B

monochromatic

#120618 #321244 #551F74 #782CA4 #9A41CC

Accessibility & contrast

On white

11.45

#551F74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#551F74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551F74

11.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551F74	#FFFFFF	#000000	##FFFFFF
##551F74	1.00	11.45	1.83	11.45
#FFFFFF	11.45	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003776

Deuteranopia (green-blind)

#103A72

Tritanopia (blue-blind)

#513247

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #551f74;
/* rgb */ color: rgb(85, 31, 116);
/* oklch */ color: oklch(36.4% 0.142 310.3);

Tailwind

colors: {
  custom: {
    50: '#88609d',
    500: '#551f74',
    950: '#000000',
  },
}

SCSS

$custom: #551f74;
$custom-light: #88609d;
$custom-dark: #000000;

JSON

{
  "hex": "#551f74",
  "rgb": {
    "r": 85,
    "g": 31,
    "b": 116
  },
  "hsl": {
    "h": 278.118,
    "s": 57.823,
    "l": 28.824
  },
  "oklch": {
    "l": 0.3645,
    "c": 0.14161,
    "h": 310.3
  },
  "luminance": 0.04172
}

Semantic roles & 50–950 ramp

primary

#551F74

secondary

#6AA847

accent

#E1477F

background

#F8F5F9

surface

#F0EAF2

border

#CBC6CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #551F74

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

Preview Lab → · Contrast checker → · Palette generator →