#558FB6#558FB6
#558FB6 is a light, moderate cyan. Relative luminance 0.250; OKLCH L 62.6% C 0.085 H 239.5°. Best body text is #000000 at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #558FB6 |
|---|---|
| RGB | rgb(85, 143, 182) |
| HSL | hsl(204, 40%, 52%) |
| HSV | hsv(204, 53%, 71%) |
| CMYK | cmyk(53.3%, 21.4%, 0%, 28.6%) |
| CIE-LAB | lab(57.03, -7.74, -26.20) |
| CIE-LCH | lch(57.03, 27.32, 253.54°) |
| OKLab | oklab(62.61% -0.0431 -0.0731) |
| OKLCH | oklch(62.61% 0.085 239.5) |
| XYZ | xyz(22.0092, 24.9518, 47.9033) |
| Luminance | 0.2495 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dusty Blue
#5A86AD
ΔE00 3.91
Off Blue
#5684AE
ΔE00 4.54
Cool Blue
#4984B8
ΔE00 4.77
Steel Blue
#4682B4
ΔE00 5.20
Faded Blue
#658CBB
ΔE00 5.24
Water Blue
#0E87CC
ΔE00 5.97
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#558FB6 #B67C55
analogous
#55B6AD #558FB6 #555EB6
triadic
#558FB6 #B6558F #8FB655
tetradic
#558FB6 #AD55B6 #B67C55 #5EB655
square
#558FB6 #AD55B6 #B67C55 #5EB655
split-complementary
#558FB6 #B6555E #B6AD55
monochromatic
#2B4E65 #3E6F90 #558FB6 #80ABC8 #ABC7DB
Accessibility & contrast
On white
3.51
#558FB6 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.99
#558FB6 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #558FB6
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##558FB6 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##558FB6 | 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)
#7E8FB8
Deuteranopia (green-blind)
#7084B5
Tritanopia (blue-blind)
#18999C
Achromatopsia (no color)
#898989
Design tokens & code
CSS
--color: #558fb6; /* rgb */ color: rgb(85, 143, 182); /* oklch */ color: oklch(62.6% 0.085 239.5);
Tailwind
colors: {
custom: {
50: '#8bafcc',
500: '#558fb6',
950: '#000000',
},
}SCSS
$custom: #558fb6; $custom-light: #8bafcc; $custom-dark: #000000;
JSON
{
"hex": "#558fb6",
"rgb": {
"r": 85,
"g": 143,
"b": 182
},
"hsl": {
"h": 204.124,
"s": 39.918,
"l": 52.353
},
"oklch": {
"l": 0.62613,
"c": 0.08483,
"h": 239.5
},
"luminance": 0.24954
}Semantic roles & 50–950 ramp
primary
#558FB6
secondary
#C9AF9E
accent
#8858D0
background
#F8FAFC
surface
#F0F4F8
border
#CBCED1
text
#0C1013
muted
#7D7F82