#558FC6#558FC6
#558FC6 is a light, moderate cyan. Relative luminance 0.257; OKLCH L 63.4% C 0.103 H 248.5°. Best body text is #000000 at 6.13:1 contrast (WCAG AA passes).
Color values
| HEX | #558FC6 |
|---|---|
| RGB | rgb(85, 143, 198) |
| HSL | hsl(209, 50%, 55%) |
| HSV | hsv(209, 57%, 78%) |
| CMYK | cmyk(57.1%, 27.8%, 0%, 22.4%) |
| CIE-LAB | lab(57.70, -2.73, -34.22) |
| CIE-LCH | lch(57.70, 34.33, 265.44°) |
| OKLab | oklab(63.37% -0.0378 -0.0961) |
| OKLCH | oklch(63.37% 0.103 248.5) |
| XYZ | xyz(23.7581, 25.6514, 57.1143) |
| Luminance | 0.2565 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 3.10
Faded Blue
#658CBB
ΔE00 3.44
Cool Blue
#4984B8
ΔE00 4.10
Dusty Blue
#5A86AD
ΔE00 4.30
Off Blue
#5684AE
ΔE00 4.54
Steel Blue
#4682B4
ΔE00 5.01
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#558FC6 #C68C55
analogous
#55C6C5 #558FC6 #5556C6
triadic
#558FC6 #C6558F #8FC655
tetradic
#558FC6 #C555C6 #C68C55 #56C655
square
#558FC6 #C555C6 #C68C55 #56C655
split-complementary
#558FC6 #C65556 #C6C555
monochromatic
#285178 #3870A6 #558FC6 #83ADD5 #B1CBE5
Accessibility & contrast
On white
3.43
#558FC6 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.13
#558FC6 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #558FC6
6.13:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##558FC6 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##558FC6 | 1.00 | 3.43 | 6.13 | 6.13 |
| #FFFFFF | 3.43 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.13 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.13 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7891C8
Deuteranopia (green-blind)
#6986C5
Tritanopia (blue-blind)
#009CA2
Achromatopsia (no color)
#8B8B8B
Design tokens & code
CSS
--color: #558fc6; /* rgb */ color: rgb(85, 143, 198); /* oklch */ color: oklch(63.4% 0.103 248.5);
Tailwind
colors: {
custom: {
50: '#8dafd7',
500: '#558fc6',
950: '#000000',
},
}SCSS
$custom: #558fc6; $custom-light: #8dafd7; $custom-dark: #000000;
JSON
{
"hex": "#558fc6",
"rgb": {
"r": 85,
"g": 143,
"b": 198
},
"hsl": {
"h": 209.204,
"s": 49.78,
"l": 55.49
},
"oklch": {
"l": 0.6337,
"c": 0.10331,
"h": 248.5
},
"luminance": 0.25653
}Semantic roles & 50–950 ramp
primary
#558FC6
secondary
#D3BBA4
accent
#924ED9
background
#F9FAFD
surface
#F1F4FA
border
#CBCED3
text
#0D1014
muted
#7E7F83