#558AF1#558AF1
#558AF1 is a light, vivid blue. Relative luminance 0.265; OKLCH L 64.7% C 0.164 H 262.3°. Best body text is #000000 at 6.29:1 contrast (WCAG AA passes).
Color values
| HEX | #558AF1 |
|---|---|
| RGB | rgb(85, 138, 241) |
| HSL | hsl(220, 85%, 64%) |
| HSV | hsv(220, 65%, 95%) |
| CMYK | cmyk(64.7%, 42.7%, 0%, 5.5%) |
| CIE-LAB | lab(58.47, 14.49, -57.05) |
| CIE-LCH | lch(58.47, 58.86, 284.25°) |
| OKLab | oklab(64.67% -0.0221 -0.1628) |
| OKLCH | oklch(64.67% 0.164 262.3) |
| XYZ | xyz(28.7064, 26.4564, 86.7958) |
| Luminance | 0.2646 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Soft Blue
#6488EA
ΔE00 2.60
Dodger Blue
#3E82FC
ΔE00 2.83
Cornflowerblue
#6495ED
ΔE00 3.39
Dark Sky Blue
#448EE4
ΔE00 4.13
Azure
#007FFF
ΔE00 4.91
Lightish Blue
#3D7AFD
ΔE00 5.18
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#558AF1 #F1BC55
analogous
#55D8F1 #558AF1 #6E55F1
triadic
#558AF1 #F1558A #8AF155
tetradic
#558AF1 #F155D8 #F1BC55 #55F16E
square
#558AF1 #F155D8 #F1BC55 #55F16E
split-complementary
#558AF1 #F16E55 #D8F155
monochromatic
#0F4ABC #1C63EC #558AF1 #8EB1F6 #C6D8FA
Accessibility & contrast
On white
3.34
#558AF1 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.29
#558AF1 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #558AF1
6.29:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##558AF1 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##558AF1 | 1.00 | 3.34 | 6.29 | 6.29 |
| #FFFFFF | 3.34 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.29 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.29 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5A94F5
Deuteranopia (green-blind)
#4086EF
Tritanopia (blue-blind)
#00A2B2
Achromatopsia (no color)
#8D8D8D
Design tokens & code
CSS
--color: #558af1; /* rgb */ color: rgb(85, 138, 241); /* oklch */ color: oklch(64.7% 0.164 262.3);
Tailwind
colors: {
custom: {
50: '#93abf6',
500: '#558af1',
950: '#000000',
},
}SCSS
$custom: #558af1; $custom-light: #93abf6; $custom-dark: #000000;
JSON
{
"hex": "#558af1",
"rgb": {
"r": 85,
"g": 138,
"b": 241
},
"hsl": {
"h": 219.615,
"s": 84.783,
"l": 63.922
},
"oklch": {
"l": 0.64667,
"c": 0.16434,
"h": 262.3
},
"luminance": 0.26459
}Semantic roles & 50–950 ramp
primary
#558AF1
secondary
#ECDAB6
accent
#9604E1
background
#F9FAFF
surface
#F2F4FE
border
#CCCED6
text
#0E1017
muted
#7E7F85