#551B52#551B52

#551B52 is a dark, moderate purple. Relative luminance 0.033; OKLCH L 33.6% C 0.113 H 329.9°. Best body text is #FFFFFF at 12.61:1 contrast (WCAG AA passes).

Color values

HEX	#551B52
RGB	rgb(85, 27, 82)
HSL	hsl(303, 52%, 22%)
HSV	hsv(303, 68%, 33%)
CMYK	cmyk(0%, 68.2%, 3.5%, 66.7%)
CIE-LAB	lab(21.30, 34.49, -20.57)
CIE-LCH	lch(21.30, 40.16, 329.18°)
OKLab	oklab(33.62% 0.0975 -0.0566)
OKLCH	oklch(33.62% 0.113 329.9)
XYZ	xyz(5.6612, 3.3248, 8.3246)
Luminance	0.0332 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551B52 #1B551E

analogous

#3B1B55 #551B52 #551B35

triadic

#551B52 #52551B #1B5255

tetradic

#551B52 #553B1B #1B551E #1B3555

square

#551B52 #553B1B #1B551E #1B3555

split-complementary

#551B52 #35551B #1B553B

monochromatic

#170716 #270C25 #551B52 #832A7F #B239AC

Accessibility & contrast

On white

12.61

#551B52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#551B52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551B52

12.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551B52	#FFFFFF	#000000	##FFFFFF
##551B52	1.00	12.61	1.66	12.61
#FFFFFF	12.61	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#162E54

Deuteranopia (green-blind)

#2A3650

Tritanopia (blue-blind)

#582133

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #551b52;
/* rgb */ color: rgb(85, 27, 82);
/* oklch */ color: oklch(33.6% 0.113 329.9);

Tailwind

colors: {
  custom: {
    50: '#875c83',
    500: '#551b52',
    950: '#000000',
  },
}

SCSS

$custom: #551b52;
$custom-light: #875c83;
$custom-dark: #000000;

JSON

{
  "hex": "#551b52",
  "rgb": {
    "r": 85,
    "g": 27,
    "b": 82
  },
  "hsl": {
    "h": 303.103,
    "s": 51.786,
    "l": 21.961
  },
  "oklch": {
    "l": 0.33617,
    "c": 0.1127,
    "h": 329.9
  },
  "luminance": 0.03324
}

Semantic roles & 50–950 ramp

primary

#551B52

secondary

#418B45

accent

#DB544D

background

#F8F5F8

surface

#F0E9EF

border

#CBC5CA

text

#0B040A

muted

#7C797C

Preview Lab

Preview with #551B52

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

Preview Lab → · Contrast checker → · Palette generator →