#551B60#551B60

#551B60 is a dark, vivid purple. Relative luminance 0.036; OKLCH L 34.5% C 0.126 H 320.9°. Best body text is #FFFFFF at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#551B60
RGB	rgb(85, 27, 96)
HSL	hsl(290, 56%, 24%)
HSV	hsv(290, 72%, 38%)
CMYK	cmyk(11.5%, 71.9%, 0%, 62.4%)
CIE-LAB	lab(22.16, 37.32, -28.53)
CIE-LCH	lch(22.16, 46.98, 322.60°)
OKLab	oklab(34.52% 0.098 -0.0797)
OKLCH	oklch(34.52% 0.126 320.9)
XYZ	xyz(6.2493, 3.5600, 11.4220)
Luminance	0.0356 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551B60 #26601B

analogous

#331B60 #551B60 #601B49

triadic

#551B60 #60551B #1B6055

tetradic

#551B60 #60331B #26601B #1B4960

square

#551B60 #60331B #26601B #1B4960

split-complementary

#551B60 #49601B #1B6033

monochromatic

#150718 #2B0E30 #551B60 #7F2890 #AA36C0

Accessibility & contrast

On white

12.27

#551B60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#551B60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551B60

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551B60	#FFFFFF	#000000	##FFFFFF
##551B60	1.00	12.27	1.71	12.27
#FFFFFF	12.27	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#053162

Deuteranopia (green-blind)

#22375E

Tritanopia (blue-blind)

#56273B

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #551b60;
/* rgb */ color: rgb(85, 27, 96);
/* oklch */ color: oklch(34.5% 0.126 320.9);

Tailwind

colors: {
  custom: {
    50: '#875d8d',
    500: '#551b60',
    950: '#000000',
  },
}

SCSS

$custom: #551b60;
$custom-light: #875d8d;
$custom-dark: #000000;

JSON

{
  "hex": "#551b60",
  "rgb": {
    "r": 85,
    "g": 27,
    "b": 96
  },
  "hsl": {
    "h": 290.435,
    "s": 56.098,
    "l": 24.118
  },
  "oklch": {
    "l": 0.34516,
    "c": 0.12629,
    "h": 320.9
  },
  "luminance": 0.0356
}

Semantic roles & 50–950 ramp

primary

#551B60

secondary

#4F9641

accent

#DF4860

background

#F8F5F8

surface

#F0E9F0

border

#CBC5CB

text

#0C040C

muted

#7D797D

Preview Lab

Preview with #551B60

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

Preview Lab → · Contrast checker → · Palette generator →