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#728BB1 Color

#728BB1 is rgb(114, 139, 177) in RGB, hsl(216, 29%, 57%) in HSL, and about cmyk(36%, 21%, 0%, 31%) in CMYK. It has no registered color name of its own — the closest is Shadow Blue (#778BA5), clearly related but distinguishable side by side at ΔE 6.87. Black text is the more readable choice on this background.

#728BB1
HEX#728BB1
RGBrgb(114, 139, 177)
HSLhsl(216, 29%, 57%)
HSVhsv(216, 36%, 69%)
CMYKcmyk(36%, 21%, 0%, 31%)
OKLCHoklch(63.2% 0.064 258.6)
LABlab(57.00% -2.00 -23.17)
LCHlch(57.00% 23.26 265.06)

What #728BB1 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 #728BB1, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Shadow Blue#778BA5ΔE 6.87Cerulean Frost#6D9BC3ΔE 8.18Air Force Blue#5D8AA8ΔE 8.2Silver Lake Blue#5D89BAΔE 8.36Glaucous#6082B6ΔE 9.18Air Superiority Blue#72A0C1ΔE 9.99

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

#728BB1 Channel Values

How #728BB1 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 114 · G 139 · B 1778-bit channels as sent to the display
HSLH 216° · S 29% · L 57%Easiest model for building lighter and darker variants
HSVH 216° · S 36% · V 69%Matches the picker in most design tools
CMYKC 36% · M 21% · Y 0% · K 31%Approximate ink mix; confirm with an ICC profile before printing
Luminance3.47:1 vs white · 6.04:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #728BB1 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 text3.47:1AA normal AA large AAA normal
TextBlack text6.04:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #728BB1 in the contrast checker.

Colors That Go With #728BB1

Pairings derived from color-wheel relationships. The complementary color sits opposite #728BB1; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#728BB1
Complementary
#B19872
Analogous
#72ABB1
Analogous
#7872B1
Triadic
#B1728B
Triadic
#8BB172
Split comp.
#B17872
Split comp.
#ABB172

Tints & Shades of #728BB1

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

#859BBC
#99ABC7
#ADBCD2
#BDC9DB
#D1D9E6
#E5E9F1

Shades

#5976A1
#4C658A
#3E5270
#314159
#222E3F
#161D27

Want a full 50-950 ramp with semantic roles? Generate design tokens from #728BB1.

How #728BB1 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#728BB1
Protanopia#8787B1
Protanomaly#7F89B1
Deuteranopia#8383B1
Deuteranomaly#7D87B1
Tritanopia#6A9191
Tritanomaly#6D8E9F
Achromatopsia#8A8A8A

Test a full palette in the color blindness simulator.

Using #728BB1 in Code

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

CSS custom property--color-728bb1: #728BB1;
CSS backgroundbackground-color: #728BB1;
Tailwind configcolors: { 'color-728bb1': '#728BB1' }
SwiftUIColor(red: 0.447, green: 0.545, blue: 0.694)
Android XML<color name="color_728bb1">#728BB1</color>
SVG fillfill="#728BB1"

More Blue Colors

#728BB1 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

000024fafaff00002ef9fafb000033f8fafc000038f8f8ff000042f5faff000047f5f5ff002147007dfa0f52ba1c39bb2a3439372aac4e3cc364609a7abdff979aaab8dbffd6d6ff

#728BB1 Frequently Asked Questions

What color is #728BB1?

#728BB1 is a mid-tone blue — rgb(114, 139, 177) in RGB and hsl(216, 29%, 57%) in HSL. It carries no registered color name of its own; the closest named color is Shadow Blue (#778BA5), which is clearly related but distinguishable side by side at a CIE76 distance of 6.87.

What is the RGB value of #728BB1?

#728BB1 is rgb(114, 139, 177) — red 114, green 139, and blue 177 on the 0-255 scale.

What is the CMYK value of #728BB1?

#728BB1 converts to approximately cmyk(36%, 21%, 0%, 31%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #728BB1 be black or white?

Black text is the more readable choice. #728BB1 scores 3.47:1 against white and 6.04:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #728BB1 as a CSS color keyword?

No. #728BB1 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 lightslategray (#778899) at a CIE76 distance of 12.03, which is visibly different.

Open #728BB1 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.