#517AE7#517AE7
#517AE7 is a mid, vivid blue. Relative luminance 0.214; OKLCH L 60.6% C 0.171 H 266.0°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).
Color values
| HEX | #517AE7 |
|---|---|
| RGB | rgb(81, 122, 231) |
| HSL | hsl(224, 76%, 61%) |
| HSV | hsv(224, 65%, 91%) |
| CMYK | cmyk(64.9%, 47.2%, 0%, 9.4%) |
| CIE-LAB | lab(53.42, 20.14, -59.58) |
| CIE-LCH | lch(53.42, 62.89, 288.68°) |
| OKLab | oklab(60.56% -0.012 -0.1706) |
| OKLCH | oklch(60.56% 0.171 266) |
| XYZ | xyz(24.7717, 21.4356, 78.4178) |
| Luminance | 0.2144 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Lightish Blue
#3D7AFD
ΔE00 2.59
Clear Blue
#247AFD
ΔE00 3.67
Cornflower Blue
#5170D7
ΔE00 4.06
Dodger Blue
#3E82FC
ΔE00 4.10
Deep Sky Blue
#0D75F8
ΔE00 4.28
Soft Blue
#6488EA
ΔE00 4.73
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#517AE7 #E7BE51
analogous
#51C5E7 #517AE7 #7351E7
triadic
#517AE7 #E7517A #7AE751
tetradic
#517AE7 #E751C5 #E7BE51 #51E773
square
#517AE7 #E751C5 #E7BE51 #51E773
split-complementary
#517AE7 #E77351 #C5E751
monochromatic
#173EA7 #1E52DC #517AE7 #87A3EE #BDCCF6
Accessibility & contrast
On white
3.97
#517AE7 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.29
#517AE7 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #517AE7
5.29:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##517AE7 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##517AE7 | 1.00 | 3.97 | 5.29 | 5.29 |
| #FFFFFF | 3.97 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.29 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.29 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4287EB
Deuteranopia (green-blind)
#2179E5
Tritanopia (blue-blind)
#0093A5
Achromatopsia (no color)
#808080
Design tokens & code
CSS
--color: #517ae7; /* rgb */ color: rgb(81, 122, 231); /* oklch */ color: oklch(60.6% 0.171 266.0);
Tailwind
colors: {
custom: {
50: '#909fef',
500: '#517ae7',
950: '#000000',
},
}SCSS
$custom: #517ae7; $custom-light: #909fef; $custom-dark: #000000;
JSON
{
"hex": "#517ae7",
"rgb": {
"r": 81,
"g": 122,
"b": 231
},
"hsl": {
"h": 223.6,
"s": 75.758,
"l": 61.176
},
"oklch": {
"l": 0.60558,
"c": 0.171,
"h": 266
},
"luminance": 0.21438
}Semantic roles & 50–950 ramp
primary
#517AE7
secondary
#E6D7AE
accent
#A10ED8
background
#F9F9FE
surface
#F2F2FD
border
#CCCCD5
text
#0E0E16
muted
#7E7E84