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#4B81CE Color

#4B81CE is rgb(75, 129, 206) in RGB, hsl(215, 57%, 55%) in HSL, and about cmyk(64%, 37%, 0%, 19%) in CMYK. It has no registered color name of its own — the closest is Tufts Blue (#417DC1), clearly related but distinguishable side by side at ΔE 5.63. Black text is the more readable choice on this background.

#4B81CE
HEX#4B81CE
RGBrgb(75, 129, 206)
HSLhsl(215, 57%, 55%)
HSVhsv(215, 64%, 81%)
CMYKcmyk(64%, 37%, 0%, 19%)
OKLCHoklch(60.2% 0.131 257.4)
LABlab(53.00% 0.30 -46.01)
LCHlch(53.00% 46.01 270.37)

What #4B81CE 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 #4B81CE, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Tufts Blue#417DC1ΔE 5.63United Nations Blue#5B92E5ΔE 7.03French Blue#0072BBΔE 9.58Cornflower Blue#6495EDΔE 9.64Ocean Boat Blue#0077BEΔE 9.73Bleu de France#318CE7ΔE 9.74

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

#4B81CE Channel Values

How #4B81CE 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 129 · B 2068-bit channels as sent to the display
HSLH 215° · S 57% · L 55%Easiest model for building lighter and darker variants
HSVH 215° · S 64% · V 81%Matches the picker in most design tools
CMYKC 64% · M 37% · Y 0% · K 19%Approximate ink mix; confirm with an ICC profile before printing
Luminance3.94:1 vs white · 5.33:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #4B81CE 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 text3.94:1AA normal AA large AAA normal
TextBlack text5.33:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #4B81CE in the contrast checker.

Colors That Go With #4B81CE

Pairings derived from color-wheel relationships. The complementary color sits opposite #4B81CE; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#4B81CE
Complementary
#CE974B
Analogous
#4BC3CE
Analogous
#564BCE
Triadic
#CE4B81
Triadic
#81CE4B
Split comp.
#CE564B
Split comp.
#C3CE4B

Tints & Shades of #4B81CE

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

#6392D4
#7BA3DB
#93B4E1
#AFC7E9
#C7D8F0
#DFE9F6

Shades

#356FC0
#2C5CA0
#244C84
#1D3C68
#152C4C
#0C192C

Want a full 50-950 ramp with semantic roles? Generate design tokens from #4B81CE.

How #4B81CE 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#4B81CE
Protanopia#7A7ACE
Protanomaly#6A7DCE
Deuteranopia#7373CF
Deuteranomaly#6579CE
Tritanopia#268E8E
Tritanomaly#3889AB
Achromatopsia#808080

Test a full palette in the color blindness simulator.

Using #4B81CE in Code

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

CSS custom property--color-4b81ce: #4B81CE;
CSS backgroundbackground-color: #4B81CE;
Tailwind configcolors: { 'color-4b81ce': '#4B81CE' }
SwiftUIColor(red: 0.294, green: 0.506, blue: 0.808)
Android XML<color name="color_4b81ce">#4B81CE</color>
SVG fillfill="#4B81CE"

More Blue Colors

#4B81CE sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

000024fafaff00002ef9fafb000033f8fafc000038f8f8ff000042f5faff000047f5f5ff002147007dfa0f52ba1c39bb2a3439372aac4e3cc364609a7abdff979aaab8dbffd6d6ff

#4B81CE Frequently Asked Questions

What color is #4B81CE?

#4B81CE is a mid-tone blue — rgb(75, 129, 206) in RGB and hsl(215, 57%, 55%) in HSL. It carries no registered color name of its own; the closest named color is Tufts Blue (#417DC1), which is clearly related but distinguishable side by side at a CIE76 distance of 5.63.

What is the RGB value of #4B81CE?

#4B81CE is rgb(75, 129, 206) — red 75, green 129, and blue 206 on the 0-255 scale.

What is the CMYK value of #4B81CE?

#4B81CE converts to approximately cmyk(64%, 37%, 0%, 19%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #4B81CE be black or white?

Black text is the more readable choice. #4B81CE scores 3.94:1 against white and 5.33:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #4B81CE as a CSS color keyword?

No. #4B81CE 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 9.64, which is clearly related but distinguishable side by side.

Open #4B81CE 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.