#518FC4#518FC4
#518FC4 is a light, moderate cyan. Relative luminance 0.254; OKLCH L 63.1% C 0.103 H 246.2°. Best body text is #000000 at 6.08:1 contrast (WCAG AA passes).
Color values
| HEX | #518FC4 |
|---|---|
| RGB | rgb(81, 143, 196) |
| HSL | hsl(208, 49%, 54%) |
| HSV | hsv(208, 59%, 77%) |
| CMYK | cmyk(58.7%, 27%, 0%, 23.1%) |
| CIE-LAB | lab(57.44, -4.19, -33.51) |
| CIE-LCH | lch(57.44, 33.77, 262.88°) |
| OKLab | oklab(63.09% -0.0416 -0.0942) |
| OKLCH | oklch(63.09% 0.103 246.2) |
| XYZ | xyz(23.1760, 25.3777, 55.8909) |
| Luminance | 0.2538 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 3.65
Cool Blue
#4984B8
ΔE00 3.91
Faded Blue
#658CBB
ΔE00 4.11
Dusty Blue
#5A86AD
ΔE00 4.25
Off Blue
#5684AE
ΔE00 4.50
Steel Blue
#4682B4
ΔE00 4.74
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#518FC4 #C48651
analogous
#51C4BF #518FC4 #5156C4
triadic
#518FC4 #C4518F #8FC451
tetradic
#518FC4 #BF51C4 #C48651 #56C451
square
#518FC4 #BF51C4 #C48651 #56C451
split-complementary
#518FC4 #C45156 #C4BF51
monochromatic
#275073 #3770A1 #518FC4 #7FACD3 #ACCAE3
Accessibility & contrast
On white
3.46
#518FC4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.08
#518FC4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #518FC4
6.08:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##518FC4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##518FC4 | 1.00 | 3.46 | 6.08 | 6.08 |
| #FFFFFF | 3.46 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.08 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.08 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7890C6
Deuteranopia (green-blind)
#6985C3
Tritanopia (blue-blind)
#009CA1
Achromatopsia (no color)
#8A8A8A
Design tokens & code
CSS
--color: #518fc4; /* rgb */ color: rgb(81, 143, 196); /* oklch */ color: oklch(63.1% 0.103 246.2);
Tailwind
colors: {
custom: {
50: '#8bafd6',
500: '#518fc4',
950: '#000000',
},
}SCSS
$custom: #518fc4; $custom-light: #8bafd6; $custom-dark: #000000;
JSON
{
"hex": "#518fc4",
"rgb": {
"r": 81,
"g": 143,
"b": 196
},
"hsl": {
"h": 207.652,
"s": 49.356,
"l": 54.314
},
"oklch": {
"l": 0.63085,
"c": 0.10294,
"h": 246.2
},
"luminance": 0.2538
}Semantic roles & 50–950 ramp
primary
#518FC4
secondary
#D1B6A0
accent
#8F4FD9
background
#F8FAFD
surface
#F0F4FA
border
#CBCED3
text
#0D1014
muted
#7D7F83