Skip to content

#3E73BB Color

#3E73BB is rgb(62, 115, 187) in RGB, hsl(215, 50%, 49%) in HSL, and about cmyk(67%, 39%, 0%, 27%) 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 5.04. White text is the more readable choice on this background.

#3E73BB
HEX#3E73BB
RGBrgb(62, 115, 187)
HSLhsl(215, 50%, 49%)
HSVhsv(215, 67%, 73%)
CMYKcmyk(67%, 39%, 0%, 27%)
OKLCHoklch(55.4% 0.126 256.6)
LABlab(47.46% 0.14 -43.96)
LCHlch(47.46% 43.97 270.18)

What #3E73BB 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 #3E73BB, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

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

#3E73BB Channel Values

How #3E73BB 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 62 · G 115 · B 1878-bit channels as sent to the display
HSLH 215° · S 50% · L 49%Easiest model for building lighter and darker variants
HSVH 215° · S 67% · V 73%Matches the picker in most design tools
CMYKC 67% · M 39% · Y 0% · K 27%Approximate ink mix; confirm with an ICC profile before printing
Luminance4.8:1 vs white · 4.37:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #3E73BB 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 text4.8:1AA normal AA large AAA normal
Fails AABlack text4.37:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #3E73BB in the contrast checker.

Colors That Go With #3E73BB

Pairings derived from color-wheel relationships. The complementary color sits opposite #3E73BB; 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 #3E73BB

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 #3E73BB.

How #3E73BB 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#3E73BB
Protanopia#6C6CBB
Protanomaly#5D6FBB
Deuteranopia#6565BC
Deuteranomaly#586BBB
Tritanopia#137F7F
Tritanomaly#2A7A9B
Achromatopsia#727272

Test a full palette in the color blindness simulator.

Using #3E73BB in Code

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

CSS custom property--color-3e73bb: #3E73BB;
CSS backgroundbackground-color: #3E73BB;
Tailwind configcolors: { 'color-3e73bb': '#3E73BB' }
SwiftUIColor(red: 0.243, green: 0.451, blue: 0.733)
Android XML<color name="color_3e73bb">#3E73BB</color>
SVG fillfill="#3E73BB"

More Blue Colors

#3E73BB sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

#3E73BB Frequently Asked Questions

What color is #3E73BB?

#3E73BB is a mid-tone blue — rgb(62, 115, 187) in RGB and hsl(215, 50%, 49%) 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 5.04.

What is the RGB value of #3E73BB?

#3E73BB is rgb(62, 115, 187) — red 62, green 115, and blue 187 on the 0-255 scale.

What is the CMYK value of #3E73BB?

#3E73BB converts to approximately cmyk(67%, 39%, 0%, 27%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #3E73BB be black or white?

White text is the more readable choice. #3E73BB scores 4.8:1 against white and 4.37:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #3E73BB as a CSS color keyword?

No. #3E73BB 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 14.72, which is visibly different.

Open #3E73BB in a Tool

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