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#558AEC Color

#558AEC is rgb(85, 138, 236) in RGB, hsl(219, 80%, 63%) in HSL, and about cmyk(64%, 42%, 0%, 7%) in CMYK. It has no registered color name of its own — the closest is Cornflower Blue (#6495ED), clearly related but distinguishable side by side at ΔE 7.26. Black text is the more readable choice on this background.

#558AEC
HEX#558AEC
RGBrgb(85, 138, 236)
HSLhsl(219, 80%, 63%)
HSVhsv(219, 64%, 93%)
CMYKcmyk(64%, 42%, 0%, 7%)
OKLCHoklch(64.4% 0.158 261.6)
LABlab(57.39% 5.64 -55.77)
LCHlch(57.39% 56.05 275.78)

What #558AEC Is Called

Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #558AEC, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Cornflower Blue#6495EDΔE 7.26Bleu de France#318CE7ΔE 8.39Blueberry#4F86F7ΔE 8.58United Nations Blue#5B92E5ΔE 9.21Dodger Blue#1E90FFΔE 10.23Microsoft Edge Blue#0078D7ΔE 10.28

Browse the full index of named colors A-Z or every blue in the library.

#558AEC Channel Values

How #558AEC breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

ModelChannelsNotes
RGBR 85 · G 138 · B 2368-bit channels as sent to the display
HSLH 219° · S 80% · L 63%Easiest model for building lighter and darker variants
HSVH 219° · S 64% · V 93%Matches the picker in most design tools
CMYKC 64% · M 42% · Y 0% · K 7%Approximate ink mix; confirm with an ICC profile before printing
Luminance3.37:1 vs white · 6.23:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #558AEC background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

Fails AAWhite text3.37:1AA normal AA large AAA normal
TextBlack text6.23:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #558AEC in the contrast checker.

Colors That Go With #558AEC

Pairings derived from color-wheel relationships. The complementary color sits opposite #558AEC; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#558AEC
Complementary
#ECB755
Analogous
#55D5EC
Analogous
#6C55EC
Triadic
#EC558A
Triadic
#8AEC55
Split comp.
#EC6C55
Split comp.
#D5EC55

Tints & Shades of #558AEC

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

#6C9AEF
#83AAF1
#9AB9F4
#B1C9F6
#C8D9F9
#DFE9FB

Shades

#3071E8
#1759D3
#134AAE
#0F3885
#0B2960
#061737

Want a full 50-950 ramp with semantic roles? Generate design tokens from #558AEC.

How #558AEC Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#558AEC
Protanopia#8383EC
Protanomaly#7386EC
Deuteranopia#7C7CED
Deuteranomaly#6E82EC
Tritanopia#229B9B
Tritanomaly#3D95C1
Achromatopsia#8C8C8C

Test a full palette in the color blindness simulator.

Using #558AEC in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-558aec: #558AEC;
CSS backgroundbackground-color: #558AEC;
Tailwind configcolors: { 'color-558aec': '#558AEC' }
SwiftUIColor(red: 0.333, green: 0.541, blue: 0.925)
Android XML<color name="color_558aec">#558AEC</color>
SVG fillfill="#558AEC"

More Blue Colors

#558AEC sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

000024fafaff00002ef9fafb000033f8fafc000038f8f8ff000042f5faff000047f5f5ff002147007dfa0f52ba1c39bb2a3439372aac4e3cc364609a7abdff979aaab8dbffd6d6ff

#558AEC Frequently Asked Questions

What color is #558AEC?

#558AEC is a light blue — rgb(85, 138, 236) in RGB and hsl(219, 80%, 63%) in HSL. It carries no registered color name of its own; the closest named color is Cornflower Blue (#6495ED), which is clearly related but distinguishable side by side at a CIE76 distance of 7.26.

What is the RGB value of #558AEC?

#558AEC is rgb(85, 138, 236) — red 85, green 138, and blue 236 on the 0-255 scale.

What is the CMYK value of #558AEC?

#558AEC converts to approximately cmyk(64%, 42%, 0%, 7%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #558AEC be black or white?

Black text is the more readable choice. #558AEC scores 3.37:1 against white and 6.23:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #558AEC as a CSS color keyword?

No. #558AEC is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is cornflowerblue (#6495ED) at a CIE76 distance of 7.26, which is clearly related but distinguishable side by side.

Open #558AEC in a Tool

Hex to RGBHex to HSLHex to CMYKHex to OKLCHHex to PantoneBuild a paletteMake a gradient

Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.