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Carolina Blue (#4B9CD3)

The hex code for Carolina Blue is #4B9CD3. It is rgb(75, 156, 211) in RGB, hsl(204, 61%, 56%) in HSL, and about cmyk(64%, 26%, 0%, 17%) in CMYK — a mid-tone blue. Black text is the more readable choice on this background.

#4B9CD3
HEX#4B9CD3
RGBrgb(75, 156, 211)
HSLhsl(204, 61%, 56%)
HSVhsv(204, 64%, 83%)
CMYKcmyk(64%, 26%, 0%, 17%)
OKLCHoklch(66.5% 0.114 241.1)
LABlab(61.09% -12.63 -36.16)
LCHlch(61.09% 38.30 250.74)

Colors Closest to Carolina Blue

Carolina Blue is a registered color name. These are the named colors nearest to it, measured as CIE76 distance in CIELAB — a perceptual scale, so the ordering matches what the eye sees rather than how close the raw RGB numbers happen to sit.

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

#4B9CD3 Channel Values

How Carolina Blue 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 75 · G 156 · B 2118-bit channels as sent to the display
HSLH 204° · S 61% · L 56%Easiest model for building lighter and darker variants
HSVH 204° · S 64% · V 83%Matches the picker in most design tools
CMYKC 64% · M 26% · Y 0% · K 17%Approximate ink mix; confirm with an ICC profile before printing
Luminance3:1 vs white · 7:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a Carolina Blue 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.

TextWhite text3:1AA normal AA large AAA normal
TextBlack text7:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #4B9CD3 in the contrast checker.

Colors That Go With Carolina Blue

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

Base
Complementary
Analogous
Analogous
Triadic
Triadic
Split comp.
Split comp.

Tints & Shades of Carolina Blue

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

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #4B9CD3.

How Carolina Blue 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#4B9CD3
Protanopia#9292D3
Protanomaly#7C96D3
Deuteranopia#8888D4
Deuteranomaly#7490D4
Tritanopia#30A4A4
Tritanomaly#3DA1B9
Achromatopsia#959595

Test a full palette in the color blindness simulator.

Using #4B9CD3 in Code

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

CSS custom property--carolina-blue: #4B9CD3;
CSS backgroundbackground-color: #4B9CD3;
Tailwind configcolors: { 'carolina-blue': '#4B9CD3' }
SwiftUIColor(red: 0.294, green: 0.612, blue: 0.827)
Android XML<color name="carolina_blue">#4B9CD3</color>
SVG fillfill="#4B9CD3"

More Blue Colors

Carolina Blue sits in the bluefamily. These are its neighbours across that family's full range, each with its own breakdown.

#4B9CD3 Frequently Asked Questions

What is the hex code for Carolina Blue?

The hex code for Carolina Blue is #4B9CD3. That is rgb(75, 156, 211) in RGB, hsl(204, 61%, 56%) in HSL, and approximately cmyk(64%, 26%, 0%, 17%) in CMYK.

What is the RGB value of #4B9CD3?

#4B9CD3 is rgb(75, 156, 211) — red 75, green 156, and blue 211 on the 0-255 scale.

What is the CMYK value of #4B9CD3?

#4B9CD3 converts to approximately cmyk(64%, 26%, 0%, 17%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #4B9CD3 be black or white?

Black text is the more readable choice. #4B9CD3 scores 3:1 against white and 7:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #4B9CD3 as a CSS color keyword?

No. #4B9CD3 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 steelblue (#4682B4) at a CIE76 distance of 10.59, which is visibly different.

Open Carolina Blue in a Tool

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