#558AE9#558AE9
#558AE9 is a light, vivid blue. Relative luminance 0.260; OKLCH L 64.2% C 0.154 H 261.2°. Best body text is #000000 at 6.20:1 contrast (WCAG AA passes).
Color values
| HEX | #558AE9 |
|---|---|
| RGB | rgb(85, 138, 233) |
| HSL | hsl(219, 77%, 62%) |
| HSV | hsv(219, 64%, 91%) |
| CMYK | cmyk(63.5%, 40.8%, 0%, 8.6%) |
| CIE-LAB | lab(58.03, 11.77, -53.32) |
| CIE-LCH | lch(58.03, 54.60, 282.45°) |
| OKLab | oklab(64.18% -0.0236 -0.1519) |
| OKLCH | oklch(64.18% 0.154 261.2) |
| XYZ | xyz(27.5376, 25.9889, 80.6401) |
| Luminance | 0.2599 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Soft Blue
#6488EA
ΔE00 2.87
Dodger Blue
#3E82FC
ΔE00 3.06
Cornflowerblue
#6495ED
ΔE00 3.51
Dark Sky Blue
#448EE4
ΔE00 3.57
Faded Blue
#658CBB
ΔE00 4.78
Azure
#007FFF
ΔE00 4.81
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#558AE9 #E9B455
analogous
#55D4E9 #558AE9 #6A55E9
triadic
#558AE9 #E9558A #8AE955
tetradic
#558AE9 #E955D4 #E9B455 #55E96A
square
#558AE9 #E955D4 #E9B455 #55E96A
split-complementary
#558AE9 #E96A55 #D4E955
monochromatic
#164CAD #1F65E2 #558AE9 #8BAFF0 #C1D5F7
Accessibility & contrast
On white
3.39
#558AE9 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.20
#558AE9 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #558AE9
6.20:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##558AE9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##558AE9 | 1.00 | 3.39 | 6.20 | 6.20 |
| #FFFFFF | 3.39 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.20 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.20 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5F93ED
Deuteranopia (green-blind)
#4985E7
Tritanopia (blue-blind)
#00A0AE
Achromatopsia (no color)
#8B8B8B
Design tokens & code
CSS
--color: #558ae9; /* rgb */ color: rgb(85, 138, 233); /* oklch */ color: oklch(64.2% 0.154 261.2);
Tailwind
colors: {
custom: {
50: '#92abf0',
500: '#558ae9',
950: '#000000',
},
}SCSS
$custom: #558ae9; $custom-light: #92abf0; $custom-dark: #000000;
JSON
{
"hex": "#558ae9",
"rgb": {
"r": 85,
"g": 138,
"b": 233
},
"hsl": {
"h": 218.514,
"s": 77.083,
"l": 62.353
},
"oklch": {
"l": 0.64184,
"c": 0.15371,
"h": 261.2
},
"luminance": 0.25991
}Semantic roles & 50–950 ramp
primary
#558AE9
secondary
#E8D5B2
accent
#900CD9
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E1017
muted
#7E7F85