#518FBF#518FBF
#518FBF is a light, moderate cyan. Relative luminance 0.252; OKLCH L 62.8% C 0.097 H 243.6°. Best body text is #000000 at 6.03:1 contrast (WCAG AA passes).
Color values
| HEX | #518FBF |
|---|---|
| RGB | rgb(81, 143, 191) |
| HSL | hsl(206, 46%, 53%) |
| HSV | hsv(206, 58%, 75%) |
| CMYK | cmyk(57.6%, 25.1%, 0%, 25.1%) |
| CIE-LAB | lab(57.23, -5.79, -31.02) |
| CIE-LCH | lch(57.23, 31.56, 259.43°) |
| OKLab | oklab(62.84% -0.0432 -0.087) |
| OKLCH | oklch(62.84% 0.097 243.6) |
| XYZ | xyz(22.6163, 25.1538, 52.9434) |
| Luminance | 0.2516 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cool Blue
#4984B8
ΔE00 3.96
Dusty Blue
#5A86AD
ΔE00 3.99
Off Blue
#5684AE
ΔE00 4.36
Faded Blue
#658CBB
ΔE00 4.50
Dark Sky Blue
#448EE4
ΔE00 4.62
Steel Blue
#4682B4
ΔE00 4.65
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#518FBF #BF8151
analogous
#51BFB8 #518FBF #5158BF
triadic
#518FBF #BF518F #8FBF51
tetradic
#518FBF #B851BF #BF8151 #58BF51
square
#518FBF #B851BF #BF8151 #58BF51
split-complementary
#518FBF #BF5158 #BFB851
monochromatic
#284F6D #39709A #518FBF #7EACCF #AAC9E0
Accessibility & contrast
On white
3.48
#518FBF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.03
#518FBF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #518FBF
6.03:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##518FBF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##518FBF | 1.00 | 3.48 | 6.03 | 6.03 |
| #FFFFFF | 3.48 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.03 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.03 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7A90C1
Deuteranopia (green-blind)
#6B84BE
Tritanopia (blue-blind)
#009B9F
Achromatopsia (no color)
#898989
Design tokens & code
CSS
--color: #518fbf; /* rgb */ color: rgb(81, 143, 191); /* oklch */ color: oklch(62.8% 0.097 243.6);
Tailwind
colors: {
custom: {
50: '#8aafd2',
500: '#518fbf',
950: '#000000',
},
}SCSS
$custom: #518fbf; $custom-light: #8aafd2; $custom-dark: #000000;
JSON
{
"hex": "#518fbf",
"rgb": {
"r": 81,
"g": 143,
"b": 191
},
"hsl": {
"h": 206.182,
"s": 46.218,
"l": 53.333
},
"oklch": {
"l": 0.62843,
"c": 0.09711,
"h": 243.6
},
"luminance": 0.25156
}Semantic roles & 50–950 ramp
primary
#518FBF
secondary
#CEB39E
accent
#8C52D6
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0C1014
muted
#7D7F82