#551F7E#551F7E

#551F7E is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.2% C 0.152 H 306.1°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#551F7E
RGB	rgb(85, 31, 126)
HSL	hsl(274, 61%, 31%)
HSV	hsv(274, 75%, 49%)
CMYK	cmyk(32.5%, 75.4%, 0%, 50.6%)
CIE-LAB	lab(25.01, 42.38, -43.30)
CIE-LCH	lch(25.01, 60.59, 314.39°)
OKLab	oklab(37.24% 0.0899 -0.1231)
OKLCH	oklch(37.24% 0.152 306.1)
XYZ	xyz(8.0014, 4.4177, 20.1658)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.70

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551F7E #487E1F

analogous

#251F7E #551F7E #7E1F77

triadic

#551F7E #7E551F #1F7E55

tetradic

#551F7E #7E251F #487E1F #1F777E

square

#551F7E #7E251F #487E1F #1F777E

split-complementary

#551F7E #777E1F #1F7E25

monochromatic

#13071C #34134D #551F7E #762BAF #9546D1

Accessibility & contrast

On white

11.15

#551F7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#551F7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551F7E

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551F7E	#FFFFFF	#000000	##FFFFFF
##551F7E	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A81

Deuteranopia (green-blind)

#003C7C

Tritanopia (blue-blind)

#4E364D

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #551f7e;
/* rgb */ color: rgb(85, 31, 126);
/* oklch */ color: oklch(37.2% 0.152 306.1);

Tailwind

colors: {
  custom: {
    50: '#8960a4',
    500: '#551f7e',
    950: '#000000',
  },
}

SCSS

$custom: #551f7e;
$custom-light: #8960a4;
$custom-dark: #000000;

JSON

{
  "hex": "#551f7e",
  "rgb": {
    "r": 85,
    "g": 31,
    "b": 126
  },
  "hsl": {
    "h": 274.105,
    "s": 60.51,
    "l": 30.784
  },
  "oklch": {
    "l": 0.37244,
    "c": 0.1524,
    "h": 306.1
  },
  "luminance": 0.04418
}

Semantic roles & 50–950 ramp

primary

#551F7E

secondary

#75B148

accent

#E44489

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #551F7E

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

Preview Lab → · Contrast checker → · Palette generator →