#558BD0#558BD0
#558BD0 is a light, moderate cyan. Relative luminance 0.250; OKLCH L 63.0% C 0.120 H 255.2°. Best body text is #000000 at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #558BD0 |
|---|---|
| RGB | rgb(85, 139, 208) |
| HSL | hsl(214, 57%, 57%) |
| HSV | hsv(214, 59%, 82%) |
| CMYK | cmyk(59.1%, 33.2%, 0%, 18.4%) |
| CIE-LAB | lab(57.03, 2.84, -40.92) |
| CIE-LCH | lch(57.03, 41.02, 273.97°) |
| OKLab | oklab(62.99% -0.0305 -0.1156) |
| OKLCH | oklch(62.99% 0.12 255.2) |
| XYZ | xyz(24.3601, 24.9485, 63.1941) |
| Luminance | 0.2495 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 2.58
Faded Blue
#658CBB
ΔE00 3.14
Cool Blue
#4984B8
ΔE00 4.40
Off Blue
#5684AE
ΔE00 4.78
Dusty Blue
#5A86AD
ΔE00 4.79
Cornflowerblue
#6495ED
ΔE00 4.82
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#558BD0 #D09A55
analogous
#55C8D0 #558BD0 #5D55D0
triadic
#558BD0 #D0558B #8BD055
tetradic
#558BD0 #D055C8 #D09A55 #55D05D
square
#558BD0 #D055C8 #D09A55 #55D05D
split-complementary
#558BD0 #D05D55 #C8D055
monochromatic
#254F86 #326CB6 #558BD0 #85ACDD #B5CCEB
Accessibility & contrast
On white
3.51
#558BD0 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.99
#558BD0 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #558BD0
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##558BD0 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##558BD0 | 1.00 | 3.51 | 5.99 | 5.99 |
| #FFFFFF | 3.51 | 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)
#6E8FD3
Deuteranopia (green-blind)
#5E84CF
Tritanopia (blue-blind)
#009BA4
Achromatopsia (no color)
#898989
Design tokens & code
CSS
--color: #558bd0; /* rgb */ color: rgb(85, 139, 208); /* oklch */ color: oklch(63.0% 0.120 255.2);
Tailwind
colors: {
custom: {
50: '#8eacde',
500: '#558bd0',
950: '#000000',
},
}SCSS
$custom: #558bd0; $custom-light: #8eacde; $custom-dark: #000000;
JSON
{
"hex": "#558bd0",
"rgb": {
"r": 85,
"g": 139,
"b": 208
},
"hsl": {
"h": 213.659,
"s": 56.682,
"l": 57.451
},
"oklch": {
"l": 0.62988,
"c": 0.11959,
"h": 255.2
},
"luminance": 0.24951
}Semantic roles & 50–950 ramp
primary
#558BD0
secondary
#D9C3A8
accent
#9D48E0
background
#F9FAFD
surface
#F1F4FB
border
#CBCED4
text
#0D1015
muted
#7E7F83