#518FDA#518FDA
#518FDA is a light, vivid cyan. Relative luminance 0.265; OKLCH L 64.2% C 0.130 H 254.3°. Best body text is #000000 at 6.29:1 contrast (WCAG AA passes).
Color values
| HEX | #518FDA |
|---|---|
| RGB | rgb(81, 143, 218) |
| HSL | hsl(213, 65%, 59%) |
| HSV | hsv(213, 63%, 85%) |
| CMYK | cmyk(62.8%, 34.4%, 0%, 14.5%) |
| CIE-LAB | lab(58.47, 3.05, -44.27) |
| CIE-LCH | lch(58.47, 44.38, 273.94°) |
| OKLab | oklab(64.22% -0.0353 -0.1254) |
| OKLCH | oklch(64.22% 0.13 254.3) |
| XYZ | xyz(25.8661, 26.4537, 70.0590) |
| Luminance | 0.2646 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 1.24
Dodgerblue
#1E90FF
ΔE00 3.48
Cornflowerblue
#6495ED
ΔE00 4.05
Faded Blue
#658CBB
ΔE00 4.29
Dodger Blue
#3E82FC
ΔE00 5.29
Cool Blue
#4984B8
ΔE00 5.45
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#518FDA #DA9C51
analogous
#51D3DA #518FDA #5751DA
triadic
#518FDA #DA518F #8FDA51
tetradic
#518FDA #DA51D3 #DA9C51 #51DA57
square
#518FDA #DA51D3 #DA9C51 #51DA57
split-complementary
#518FDA #DA5751 #D3DA51
monochromatic
#1F5392 #2A70C4 #518FDA #83AFE5 #B6D0EF
Accessibility & contrast
On white
3.34
#518FDA on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.29
#518FDA on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #518FDA
6.29:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##518FDA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##518FDA | 1.00 | 3.34 | 6.29 | 6.29 |
| #FFFFFF | 3.34 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.29 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.29 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6F94DD
Deuteranopia (green-blind)
#5C87D8
Tritanopia (blue-blind)
#00A0AA
Achromatopsia (no color)
#8D8D8D
Design tokens & code
CSS
--color: #518fda; /* rgb */ color: rgb(81, 143, 218); /* oklch */ color: oklch(64.2% 0.130 254.3);
Tailwind
colors: {
custom: {
50: '#8eafe6',
500: '#518fda',
950: '#000000',
},
}SCSS
$custom: #518fda; $custom-light: #8eafe6; $custom-dark: #000000;
JSON
{
"hex": "#518fda",
"rgb": {
"r": 81,
"g": 143,
"b": 218
},
"hsl": {
"h": 212.847,
"s": 64.929,
"l": 58.627
},
"oklch": {
"l": 0.64225,
"c": 0.13029,
"h": 254.3
},
"luminance": 0.26456
}Semantic roles & 50–950 ramp
primary
#518FDA
secondary
#DEC6A8
accent
#9C40E8
background
#F9FAFE
surface
#F2F4FC
border
#CCCED5
text
#0D1016
muted
#7E7F84