#551F91#551F91
#551F91 is a dark, vivid violet. Relative luminance 0.050; OKLCH L 38.9% C 0.173 H 299.6°. Best body text is #FFFFFF at 10.55:1 contrast (WCAG AA passes).
Color values
| HEX | #551F91 |
|---|---|
| RGB | rgb(85, 31, 145) |
| HSL | hsl(268, 65%, 35%) |
| HSV | hsv(268, 79%, 57%) |
| CMYK | cmyk(41.4%, 78.6%, 0%, 43.1%) |
| CIE-LAB | lab(26.61, 47.13, -52.57) |
| CIE-LCH | lch(26.61, 70.60, 311.87°) |
| OKLab | oklab(38.87% 0.0854 -0.1503) |
| OKLCH | oklch(38.87% 0.173 299.6) |
| XYZ | xyz(9.3458, 4.9555, 27.2467) |
| Luminance | 0.0496 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Indigo
#4B0082
ΔE00 4.72
Rebeccapurple
#663399
ΔE00 5.16
Indigo Blue
#3A18B1
ΔE00 6.32
Indigo (survey)
#380282
ΔE00 6.38
Royal Purple (survey)
#4B006E
ΔE00 6.97
Purple (survey)
#7E1E9C
ΔE00 7.56
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#551F91 #5B911F
analogous
#1F2291 #551F91 #8E1F91
triadic
#551F91 #91551F #1F9155
tetradic
#551F91 #911F22 #5B911F #1F918E
square
#551F91 #911F22 #5B911F #1F918E
split-complementary
#551F91 #918E1F #22911F
monochromatic
#1A092C #37145F #551F91 #732AC3 #9251DA
Accessibility & contrast
On white
10.55
#551F91 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.99
#551F91 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #551F91
10.55:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##551F91 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##551F91 | 1.00 | 10.55 | 1.99 | 10.55 |
| #FFFFFF | 10.55 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.99 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.55 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003F94
Deuteranopia (green-blind)
#003E8F
Tritanopia (blue-blind)
#473E57
Achromatopsia (no color)
#3F3F3F
Design tokens & code
CSS
--color: #551f91; /* rgb */ color: rgb(85, 31, 145); /* oklch */ color: oklch(38.9% 0.173 299.6);
Tailwind
colors: {
custom: {
50: '#8b61b2',
500: '#551f91',
950: '#000000',
},
}SCSS
$custom: #551f91; $custom-light: #8b61b2; $custom-dark: #000000;
JSON
{
"hex": "#551f91",
"rgb": {
"r": 85,
"g": 31,
"b": 145
},
"hsl": {
"h": 268.421,
"s": 64.773,
"l": 34.51
},
"oklch": {
"l": 0.38869,
"c": 0.17286,
"h": 299.6
},
"luminance": 0.04956
}Semantic roles & 50–950 ramp
primary
#551F91
secondary
#89BD4F
accent
#E84098
background
#F8F6FB
surface
#F0EBF6
border
#CBC6D0
text
#0D0511
muted
#7D7A80