#558FB9#558FB9
#558FB9 is a light, moderate cyan. Relative luminance 0.251; OKLCH L 62.7% C 0.088 H 241.5°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).
Color values
| HEX | #558FB9 |
|---|---|
| RGB | rgb(85, 143, 185) |
| HSL | hsl(205, 42%, 53%) |
| HSV | hsv(205, 54%, 73%) |
| CMYK | cmyk(54.1%, 22.7%, 0%, 27.5%) |
| CIE-LAB | lab(57.15, -6.82, -27.72) |
| CIE-LCH | lch(57.15, 28.54, 256.19°) |
| OKLab | oklab(62.75% -0.042 -0.0774) |
| OKLCH | oklch(62.75% 0.088 241.5) |
| XYZ | xyz(22.3226, 25.0771, 49.5536) |
| Luminance | 0.2508 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dusty Blue
#5A86AD
ΔE00 3.69
Off Blue
#5684AE
ΔE00 4.26
Cool Blue
#4984B8
ΔE00 4.33
Faded Blue
#658CBB
ΔE00 4.65
Steel Blue
#4682B4
ΔE00 4.89
Water Blue
#0E87CC
ΔE00 5.58
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#558FB9 #B97F55
analogous
#55B9B1 #558FB9 #555DB9
triadic
#558FB9 #B9558F #8FB955
tetradic
#558FB9 #B155B9 #B97F55 #5DB955
square
#558FB9 #B155B9 #B97F55 #5DB955
split-complementary
#558FB9 #B9555D #B9B155
monochromatic
#2B4F69 #3D6F94 #558FB9 #80ACCB #ACC8DD
Accessibility & contrast
On white
3.49
#558FB9 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.02
#558FB9 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #558FB9
6.02:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##558FB9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##558FB9 | 1.00 | 3.49 | 6.02 | 6.02 |
| #FFFFFF | 3.49 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.02 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.02 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7D8FBB
Deuteranopia (green-blind)
#6F85B8
Tritanopia (blue-blind)
#12999D
Achromatopsia (no color)
#898989
Design tokens & code
CSS
--color: #558fb9; /* rgb */ color: rgb(85, 143, 185); /* oklch */ color: oklch(62.7% 0.088 241.5);
Tailwind
colors: {
custom: {
50: '#8cafce',
500: '#558fb9',
950: '#000000',
},
}SCSS
$custom: #558fb9; $custom-light: #8cafce; $custom-dark: #000000;
JSON
{
"hex": "#558fb9",
"rgb": {
"r": 85,
"g": 143,
"b": 185
},
"hsl": {
"h": 205.2,
"s": 41.667,
"l": 52.941
},
"oklch": {
"l": 0.6275,
"c": 0.0881,
"h": 241.5
},
"luminance": 0.25079
}Semantic roles & 50–950 ramp
primary
#558FB9
secondary
#CBB19F
accent
#8A56D1
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0D1013
muted
#7D7F82