Color #558df3
A vivid, highly saturated light blue.
Conversions
#558df3
rgb(85, 141, 243)
hsl(218.7, 86.8%, 64.3%)
hsv(218.7, 65%, 95.3%)
cmyk(65%, 42%, 0%, 4.7%)
lab(59.39, 13.37, -56.69)
lch(59.39, 58.25, 283.27)
oklch(65.4%, 0.1636, 261.35)
hwb(218.7, 33.3%, 4.7%)
Harmony colors
Accessibility
Black text reads better on this background (6.49:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.
Under color vision deficiencies
Protanopia
#7272e0 · ΔE 11.9
Deuteranopia
#6e6adb · ΔE 14.1
Tritanopia
#59cfcb · ΔE 33.5
Achromatopsia
#8f8f8f · ΔE 25.2
Left half is the original, right half is the simulated appearance. See all 8 vision types →
Code
background-color: #558df3;
bg-[#558df3]
Related colors
Frequently asked questions
#558df3 (#558df3) is rgb(85, 141, 243) in RGB.
No, #558df3 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.
Related tools
HEX to RGB Converter
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Try it → AccessibilityContrast Checker
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Try it → GeneratorsPalette Generator
Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.
Try it →Build something with this color
Generate a full palette from #558df3, or check how it holds up for accessibility.