#517EEC#517EEC
#517EEC is a mid, vivid blue. Relative luminance 0.227; OKLCH L 61.7% C 0.173 H 265.0°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).
Color values
| HEX | #517EEC |
|---|---|
| RGB | rgb(81, 126, 236) |
| HSL | hsl(223, 80%, 62%) |
| HSV | hsv(223, 66%, 93%) |
| CMYK | cmyk(65.7%, 46.6%, 0%, 7.5%) |
| CIE-LAB | lab(54.79, 19.41, -60.18) |
| CIE-LCH | lch(54.79, 63.23, 287.88°) |
| OKLab | oklab(61.7% -0.015 -0.1723) |
| OKLCH | oklch(61.7% 0.173 265) |
| XYZ | xyz(25.9892, 22.7247, 82.3573) |
| Luminance | 0.2273 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Lightish Blue
#3D7AFD
ΔE00 2.27
Dodger Blue
#3E82FC
ΔE00 2.81
Clear Blue
#247AFD
ΔE00 3.34
Soft Blue
#6488EA
ΔE00 3.56
Deep Sky Blue
#0D75F8
ΔE00 4.59
Azure
#007FFF
ΔE00 4.61
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#517EEC #ECBF51
analogous
#51CBEC #517EEC #7251EC
triadic
#517EEC #EC517E #7EEC51
tetradic
#517EEC #EC51CB #ECBF51 #51EC72
square
#517EEC #EC51CB #ECBF51 #51EC72
split-complementary
#517EEC #EC7251 #CBEC51
monochromatic
#1341AF #1A55E6 #517EEC #88A7F2 #BFD0F8
Accessibility & contrast
On white
3.79
#517EEC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.55
#517EEC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #517EEC
5.55:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##517EEC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##517EEC | 1.00 | 3.79 | 5.55 | 5.55 |
| #FFFFFF | 3.79 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.55 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.55 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#458BF0
Deuteranopia (green-blind)
#257CEA
Tritanopia (blue-blind)
#0097AA
Achromatopsia (no color)
#838383
Design tokens & code
CSS
--color: #517eec; /* rgb */ color: rgb(81, 126, 236); /* oklch */ color: oklch(61.7% 0.173 265.0);
Tailwind
colors: {
custom: {
50: '#91a2f3',
500: '#517eec',
950: '#000000',
},
}SCSS
$custom: #517eec; $custom-light: #91a2f3; $custom-dark: #000000;
JSON
{
"hex": "#517eec",
"rgb": {
"r": 81,
"g": 126,
"b": 236
},
"hsl": {
"h": 222.581,
"s": 80.311,
"l": 62.157
},
"oklch": {
"l": 0.61699,
"c": 0.17293,
"h": 265
},
"luminance": 0.22727
}Semantic roles & 50–950 ramp
primary
#517EEC
secondary
#E9D8B0
accent
#9F09DD
background
#F9F9FE
surface
#F2F2FD
border
#CCCCD5
text
#0E0F17
muted
#7E7E85