#51409B#51409B
#51409B is a dark, vivid violet. Relative luminance 0.078; OKLCH L 44.0% C 0.142 H 287.7°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).
Color values
| HEX | #51409B |
|---|---|
| RGB | rgb(81, 64, 155) |
| HSL | hsl(251, 42%, 43%) |
| HSV | hsv(251, 59%, 61%) |
| CMYK | cmyk(47.7%, 58.7%, 0%, 39.2%) |
| CIE-LAB | lab(33.53, 31.23, -47.47) |
| CIE-LCH | lch(33.53, 56.82, 303.34°) |
| OKLab | oklab(43.99% 0.0432 -0.1355) |
| OKLCH | oklch(43.99% 0.142 287.7) |
| XYZ | xyz(11.1414, 7.7822, 31.9191) |
| Luminance | 0.0778 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Blueberry
#464196
ΔE00 2.40
Darkslateblue
#483D8B
ΔE00 3.00
Ocean Blue
#4F42B5
ΔE00 4.19
Rebeccapurple
#663399
ΔE00 5.94
Blue With A Hint Of Purple
#533CC6
ΔE00 6.57
Sapphire (survey)
#2138AB
ΔE00 7.07
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#51409B #8A9B40
analogous
#405C9B #51409B #7E409B
triadic
#51409B #9B5140 #409B51
tetradic
#51409B #9B405C #8A9B40 #409B7E
square
#51409B #9B405C #8A9B40 #409B7E
split-complementary
#51409B #9B7E40 #5C9B40
monochromatic
#241C44 #3A2E70 #51409B #6E5CBC #9588CE
Accessibility & contrast
On white
8.21
#51409B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.56
#51409B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #51409B
8.21:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##51409B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##51409B | 1.00 | 8.21 | 2.56 | 8.21 |
| #FFFFFF | 8.21 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.56 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.21 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00519E
Deuteranopia (green-blind)
#004C99
Tritanopia (blue-blind)
#395467
Achromatopsia (no color)
#4F4F4F
Design tokens & code
CSS
--color: #51409b; /* rgb */ color: rgb(81, 64, 155); /* oklch */ color: oklch(44.0% 0.142 287.7);
Tailwind
colors: {
custom: {
50: '#8775b9',
500: '#51409b',
950: '#000000',
},
}SCSS
$custom: #51409b; $custom-light: #8775b9; $custom-dark: #000000;
JSON
{
"hex": "#51409b",
"rgb": {
"r": 81,
"g": 64,
"b": 155
},
"hsl": {
"h": 251.209,
"s": 41.553,
"l": 42.941
},
"oklch": {
"l": 0.43992,
"c": 0.14224,
"h": 287.7
},
"luminance": 0.07783
}Semantic roles & 50–950 ramp
primary
#51409B
secondary
#AEB87E
accent
#D156BA
background
#F8F7FB
surface
#F0EDF6
border
#CBC8D0
text
#0C0811
muted
#7D7B80