#558AD4#558AD4
#558AD4 is a light, vivid cyan. Relative luminance 0.249; OKLCH L 63.0% C 0.126 H 257.0°. Best body text is #000000 at 5.97:1 contrast (WCAG AA passes).
Color values
| HEX | #558AD4 |
|---|---|
| RGB | rgb(85, 138, 212) |
| HSL | hsl(215, 60%, 58%) |
| HSV | hsv(215, 60%, 83%) |
| CMYK | cmyk(59.9%, 34.9%, 0%, 16.9%) |
| CIE-LAB | lab(56.94, 4.74, -43.31) |
| CIE-LCH | lch(56.94, 43.57, 276.25°) |
| OKLab | oklab(62.98% -0.0283 -0.1226) |
| OKLCH | oklch(62.98% 0.126 257) |
| XYZ | xyz(24.7142, 24.8595, 65.7706) |
| Luminance | 0.2486 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 2.80
Faded Blue
#658CBB
ΔE00 3.36
Dodger Blue
#3E82FC
ΔE00 4.38
Soft Blue
#6488EA
ΔE00 4.44
Cornflowerblue
#6495ED
ΔE00 4.65
Cool Blue
#4984B8
ΔE00 4.76
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#558AD4 #D49F55
analogous
#55C9D4 #558AD4 #6055D4
triadic
#558AD4 #D4558A #8AD455
tetradic
#558AD4 #D455C9 #D49F55 #55D460
square
#558AD4 #D455C9 #D49F55 #55D460
split-complementary
#558AD4 #D46055 #C9D455
monochromatic
#234F8B #306ABC #558AD4 #86ACE0 #B7CDED
Accessibility & contrast
On white
3.52
#558AD4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.97
#558AD4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #558AD4
5.97:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##558AD4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##558AD4 | 1.00 | 3.52 | 5.97 | 5.97 |
| #FFFFFF | 3.52 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.97 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.97 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6B8FD7
Deuteranopia (green-blind)
#5A83D2
Tritanopia (blue-blind)
#009BA5
Achromatopsia (no color)
#898989
Design tokens & code
CSS
--color: #558ad4; /* rgb */ color: rgb(85, 138, 212); /* oklch */ color: oklch(63.0% 0.126 257.0);
Tailwind
colors: {
custom: {
50: '#8fabe1',
500: '#558ad4',
950: '#000000',
},
}SCSS
$custom: #558ad4; $custom-light: #8fabe1; $custom-dark: #000000;
JSON
{
"hex": "#558ad4",
"rgb": {
"r": 85,
"g": 138,
"b": 212
},
"hsl": {
"h": 214.961,
"s": 59.624,
"l": 58.235
},
"oklch": {
"l": 0.62984,
"c": 0.12584,
"h": 257
},
"luminance": 0.24862
}Semantic roles & 50–950 ramp
primary
#558AD4
secondary
#DCC7A9
accent
#A145E3
background
#F9FAFD
surface
#F2F4FB
border
#CCCED4
text
#0D1015
muted
#7E7F83