#511FA1#511FA1
#511FA1 is a dark, vivid violet. Relative luminance 0.053; OKLCH L 39.9% C 0.190 H 293.1°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).
Color values
| HEX | #511FA1 |
|---|---|
| RGB | rgb(81, 31, 161) |
| HSL | hsl(263, 68%, 38%) |
| HSV | hsv(263, 81%, 63%) |
| CMYK | cmyk(49.7%, 80.7%, 0%, 36.9%) |
| CIE-LAB | lab(27.58, 50.65, -60.80) |
| CIE-LCH | lch(27.58, 79.14, 309.80°) |
| OKLab | oklab(39.89% 0.0743 -0.1746) |
| OKLCH | oklch(39.89% 0.19 293.1) |
| XYZ | xyz(10.3146, 5.3022, 34.1913) |
| Luminance | 0.0530 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Indigo Blue
#3A18B1
ΔE00 3.91
Violet Blue
#510AC9
ΔE00 5.33
Rebeccapurple
#663399
ΔE00 5.92
Indigo
#4B0082
ΔE00 6.16
Ultramarine
#2000B1
ΔE00 6.58
Purple Blue
#5D21D0
ΔE00 6.63
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#511FA1 #6FA11F
analogous
#1F2EA1 #511FA1 #921FA1
triadic
#511FA1 #A1511F #1FA151
tetradic
#511FA1 #A11F2E #6FA11F #1FA192
square
#511FA1 #A11F2E #6FA11F #1FA192
split-complementary
#511FA1 #A1921F #2EA11F
monochromatic
#1D0B3A #37156E #511FA1 #6B29D4 #8E5BDF
Accessibility & contrast
On white
10.19
#511FA1 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.06
#511FA1 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #511FA1
10.19:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##511FA1 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##511FA1 | 1.00 | 10.19 | 2.06 | 10.19 |
| #FFFFFF | 10.19 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.06 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.19 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0043A5
Deuteranopia (green-blind)
#003F9F
Tritanopia (blue-blind)
#374560
Achromatopsia (no color)
#414141
Design tokens & code
CSS
--color: #511fa1; /* rgb */ color: rgb(81, 31, 161); /* oklch */ color: oklch(39.9% 0.190 293.1);
Tailwind
colors: {
custom: {
50: '#8b62be',
500: '#511fa1',
950: '#000000',
},
}SCSS
$custom: #511fa1; $custom-light: #8b62be; $custom-dark: #000000;
JSON
{
"hex": "#511fa1",
"rgb": {
"r": 81,
"g": 31,
"b": 161
},
"hsl": {
"h": 263.077,
"s": 67.708,
"l": 37.647
},
"oklch": {
"l": 0.39885,
"c": 0.18973,
"h": 293.1
},
"luminance": 0.05303
}Semantic roles & 50–950 ramp
primary
#511FA1
secondary
#9AC458
accent
#EB3DA8
background
#F9F6FB
surface
#F1EBF7
border
#CBC6D0
text
#0D0512
muted
#7E7A81