#551B53#551B53

#551B53 is a dark, moderate purple. Relative luminance 0.033; OKLCH L 33.7% C 0.114 H 329.1°. Best body text is #FFFFFF at 12.59:1 contrast (WCAG AA passes).

Color values

HEX	#551B53
RGB	rgb(85, 27, 83)
HSL	hsl(302, 52%, 22%)
HSV	hsv(302, 68%, 33%)
CMYK	cmyk(0%, 68.2%, 2.4%, 66.7%)
CIE-LAB	lab(21.36, 34.68, -21.16)
CIE-LCH	lch(21.36, 40.63, 328.62°)
OKLab	oklab(33.68% 0.0976 -0.0583)
OKLCH	oklch(33.68% 0.114 329.1)
XYZ	xyz(5.6995, 3.3401, 8.5264)
Luminance	0.0334 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551B53 #1B551D

analogous

#3A1B55 #551B53 #551B36

triadic

#551B53 #53551B #1B5355

tetradic

#551B53 #553A1B #1B551D #1B3655

square

#551B53 #553A1B #1B551D #1B3655

split-complementary

#551B53 #36551B #1B553A

monochromatic

#170717 #270C26 #551B53 #832A80 #B239AE

Accessibility & contrast

On white

12.59

#551B53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#551B53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551B53

12.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551B53	#FFFFFF	#000000	##FFFFFF
##551B53	1.00	12.59	1.67	12.59
#FFFFFF	12.59	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#152E55

Deuteranopia (green-blind)

#2A3651

Tritanopia (blue-blind)

#582234

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #551b53;
/* rgb */ color: rgb(85, 27, 83);
/* oklch */ color: oklch(33.7% 0.114 329.1);

Tailwind

colors: {
  custom: {
    50: '#875c83',
    500: '#551b53',
    950: '#000000',
  },
}

SCSS

$custom: #551b53;
$custom-light: #875c83;
$custom-dark: #000000;

JSON

{
  "hex": "#551b53",
  "rgb": {
    "r": 85,
    "g": 27,
    "b": 83
  },
  "hsl": {
    "h": 302.069,
    "s": 51.786,
    "l": 21.961
  },
  "oklch": {
    "l": 0.33677,
    "c": 0.11363,
    "h": 329.1
  },
  "luminance": 0.0334
}

Semantic roles & 50–950 ramp

primary

#551B53

secondary

#418B44

accent

#DB514D

background

#F8F5F8

surface

#F0E9EF

border

#CBC5CA

text

#0B040A

muted

#7C797C

Preview Lab

Preview with #551B53

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

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