#558DC4#558DC4
#558DC4 is a light, moderate cyan. Relative luminance 0.250; OKLCH L 62.8% C 0.102 H 249.3°. Best body text is #000000 at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #558DC4 |
|---|---|
| RGB | rgb(85, 141, 196) |
| HSL | hsl(210, 48%, 55%) |
| HSV | hsv(210, 57%, 77%) |
| CMYK | cmyk(56.6%, 28.1%, 0%, 23.1%) |
| CIE-LAB | lab(57.04, -2.21, -34.12) |
| CIE-LCH | lch(57.04, 34.20, 266.29°) |
| OKLab | oklab(62.82% -0.0361 -0.0959) |
| OKLCH | oklch(62.82% 0.102 249.3) |
| XYZ | xyz(23.2314, 24.9646, 55.8082) |
| Luminance | 0.2497 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Faded Blue
#658CBB
ΔE00 3.05
Dark Sky Blue
#448EE4
ΔE00 3.21
Cool Blue
#4984B8
ΔE00 3.53
Dusty Blue
#5A86AD
ΔE00 3.79
Off Blue
#5684AE
ΔE00 3.95
Steel Blue
#4682B4
ΔE00 4.48
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#558DC4 #C48C55
analogous
#55C4C4 #558DC4 #5555C4
triadic
#558DC4 #C4558D #8DC455
tetradic
#558DC4 #C455C4 #C48C55 #55C455
square
#558DC4 #C455C4 #C48C55 #55C455
split-complementary
#558DC4 #C45555 #C4C455
monochromatic
#295076 #396EA3 #558DC4 #82ABD4 #B0CAE4
Accessibility & contrast
On white
3.50
#558DC4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.99
#558DC4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #558DC4
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##558DC4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##558DC4 | 1.00 | 3.50 | 5.99 | 5.99 |
| #FFFFFF | 3.50 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#768FC6
Deuteranopia (green-blind)
#6784C3
Tritanopia (blue-blind)
#009AA0
Achromatopsia (no color)
#898989
Design tokens & code
CSS
--color: #558dc4; /* rgb */ color: rgb(85, 141, 196); /* oklch */ color: oklch(62.8% 0.102 249.3);
Tailwind
colors: {
custom: {
50: '#8daed6',
500: '#558dc4',
950: '#000000',
},
}SCSS
$custom: #558dc4; $custom-light: #8daed6; $custom-dark: #000000;
JSON
{
"hex": "#558dc4",
"rgb": {
"r": 85,
"g": 141,
"b": 196
},
"hsl": {
"h": 209.73,
"s": 48.472,
"l": 55.098
},
"oklch": {
"l": 0.62818,
"c": 0.10247,
"h": 249.3
},
"luminance": 0.24967
}Semantic roles & 50–950 ramp
primary
#558DC4
secondary
#D2BAA3
accent
#9350D8
background
#F9FAFD
surface
#F1F4FA
border
#CBCED3
text
#0D1014
muted
#7E7F83