#551EA8#551EA8
#551EA8 is a dark, vivid violet. Relative luminance 0.057; OKLCH L 40.9% C 0.198 H 293.5°. Best body text is #FFFFFF at 9.83:1 contrast (WCAG AA passes).
Color values
| HEX | #551EA8 |
|---|---|
| RGB | rgb(85, 30, 168) |
| HSL | hsl(264, 70%, 39%) |
| HSV | hsv(264, 82%, 66%) |
| CMYK | cmyk(49.4%, 82.1%, 0%, 34.1%) |
| CIE-LAB | lab(28.61, 53.41, -63.33) |
| CIE-LCH | lch(28.61, 82.85, 310.14°) |
| OKLab | oklab(40.91% 0.0789 -0.1818) |
| OKLCH | oklch(40.91% 0.198 293.5) |
| XYZ | xyz(11.2765, 5.6866, 37.5417) |
| Luminance | 0.0569 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Indigo Blue
#3A18B1
ΔE00 3.91
Violet Blue
#510AC9
ΔE00 4.42
Purple Blue
#5D21D0
ΔE00 5.59
Rebeccapurple
#663399
ΔE00 5.92
Ultramarine
#2000B1
ΔE00 6.74
Indigo
#4B0082
ΔE00 6.93
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#551EA8 #71A81E
analogous
#1E2CA8 #551EA8 #9A1EA8
triadic
#551EA8 #A8551E #1EA855
tetradic
#551EA8 #A81E2C #71A81E #1EA89A
square
#551EA8 #A81E2C #71A81E #1EA89A
split-complementary
#551EA8 #A89A1E #2CA81E
monochromatic
#200B40 #3B1574 #551EA8 #702AD9 #935EE2
Accessibility & contrast
On white
9.83
#551EA8 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.14
#551EA8 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #551EA8
9.83:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##551EA8 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##551EA8 | 1.00 | 9.83 | 2.14 | 9.83 |
| #FFFFFF | 9.83 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.14 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.83 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0045AC
Deuteranopia (green-blind)
#0041A6
Tritanopia (blue-blind)
#3B4764
Achromatopsia (no color)
#434343
Design tokens & code
CSS
--color: #551ea8; /* rgb */ color: rgb(85, 30, 168); /* oklch */ color: oklch(40.9% 0.198 293.5);
Tailwind
colors: {
custom: {
50: '#8e62c3',
500: '#551ea8',
950: '#000000',
},
}SCSS
$custom: #551ea8; $custom-light: #8e62c3; $custom-dark: #000000;
JSON
{
"hex": "#551ea8",
"rgb": {
"r": 85,
"g": 30,
"b": 168
},
"hsl": {
"h": 263.913,
"s": 69.697,
"l": 38.824
},
"oklch": {
"l": 0.40912,
"c": 0.19822,
"h": 293.5
},
"luminance": 0.05687
}Semantic roles & 50–950 ramp
primary
#551EA8
secondary
#9CC75B
accent
#ED3BA6
background
#F9F6FC
surface
#F2EBF8
border
#CCC6D1
text
#0D0613
muted
#7E7A82