#551C6B#551C6B
#551C6B is a dark, vivid purple. Relative luminance 0.038; OKLCH L 35.4% C 0.136 H 314.9°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).
Color values
| HEX | #551C6B |
|---|---|
| RGB | rgb(85, 28, 107) |
| HSL | hsl(283, 59%, 26%) |
| HSV | hsv(283, 74%, 42%) |
| CMYK | cmyk(20.6%, 73.8%, 0%, 58%) |
| CIE-LAB | lab(23.08, 39.27, -34.25) |
| CIE-LCH | lch(23.08, 52.11, 318.91°) |
| OKLab | oklab(35.42% 0.0961 -0.0964) |
| OKLCH | oklch(35.42% 0.136 314.9) |
| XYZ | xyz(6.8150, 3.8236, 14.2861) |
| Luminance | 0.0382 (WCAG relative) |
| Temperature | cool |
| Family | purple |
Closest named colors
Royal Purple (survey)
#4B006E
ΔE00 4.82
Plum Purple
#4E0550
ΔE00 5.92
Darkish Purple
#751973
ΔE00 6.56
Indigo
#4B0082
ΔE00 6.83
Deep Violet
#490648
ΔE00 7.33
Grape Purple
#5D1451
ΔE00 7.37
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#551C6B #326B1C
analogous
#2E1C6B #551C6B #6B1C5A
triadic
#551C6B #6B551C #1C6B55
tetradic
#551C6B #6B2E1C #326B1C #1C5A6B
square
#551C6B #6B2E1C #326B1C #1C5A6B
split-complementary
#551C6B #5A6B1C #1C6B2E
monochromatic
#130618 #2E0F3A #551C6B #7C299C #A137CB
Accessibility & contrast
On white
11.90
#551C6B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.76
#551C6B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #551C6B
11.90:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##551C6B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##551C6B | 1.00 | 11.90 | 1.76 | 11.90 |
| #FFFFFF | 11.90 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.76 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.90 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00346D
Deuteranopia (green-blind)
#193869
Tritanopia (blue-blind)
#532C41
Achromatopsia (no color)
#373737
Design tokens & code
CSS
--color: #551c6b; /* rgb */ color: rgb(85, 28, 107); /* oklch */ color: oklch(35.4% 0.136 314.9);
Tailwind
colors: {
custom: {
50: '#885e96',
500: '#551c6b',
950: '#000000',
},
}SCSS
$custom: #551c6b; $custom-light: #885e96; $custom-dark: #000000;
JSON
{
"hex": "#551c6b",
"rgb": {
"r": 85,
"g": 28,
"b": 107
},
"hsl": {
"h": 283.291,
"s": 58.519,
"l": 26.471
},
"oklch": {
"l": 0.35417,
"c": 0.13612,
"h": 314.9
},
"luminance": 0.03823
}Semantic roles & 50–950 ramp
primary
#551C6B
secondary
#5DA043
accent
#E24671
background
#F8F5F9
surface
#F0E9F2
border
#CBC5CC
text
#0C050D
muted
#7D797E