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#3680CE Color

#3680CE is rgb(54, 128, 206) in RGB, hsl(211, 61%, 51%) in HSL, and about cmyk(74%, 38%, 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 5.84. Black text is the more readable choice on this background.

#3680CE
HEX#3680CE
RGBrgb(54, 128, 206)
HSLhsl(211, 61%, 51%)
HSVhsv(211, 74%, 81%)
CMYKcmyk(74%, 38%, 0%, 19%)
OKLCHoklch(59.2% 0.14 252.4)
LABlab(51.88% -2.90 -47.84)
LCHlch(51.88% 47.92 266.53)

What #3680CE 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 #3680CE, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Tufts Blue#417DC1ΔE 5.84Ocean Boat Blue#0077BEΔE 6.82French Blue#0072BBΔE 6.92Spanish Blue#0070B8ΔE 7.64Bleu de France#318CE7ΔE 8.19United Nations Blue#5B92E5ΔE 8.5

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

#3680CE Channel Values

How #3680CE 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 54 · G 128 · B 2068-bit channels as sent to the display
HSLH 211° · S 61% · L 51%Easiest model for building lighter and darker variants
HSVH 211° · S 74% · V 81%Matches the picker in most design tools
CMYKC 74% · M 38% · Y 0% · K 19%Approximate ink mix; confirm with an ICC profile before printing
Luminance4.09:1 vs white · 5.14:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #3680CE 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 text4.09:1AA normal AA large AAA normal
TextBlack text5.14:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #3680CE in the contrast checker.

Colors That Go With #3680CE

Pairings derived from color-wheel relationships. The complementary color sits opposite #3680CE; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#3680CE
Complementary
#CE8536
Analogous
#36CCCE
Analogous
#3836CE
Triadic
#CE3680
Triadic
#80CE36
Split comp.
#CE3836
Split comp.
#CCCE36

Tints & Shades of #3680CE

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

#5392D5
#6BA1DB
#88B4E2
#A5C6E9
#C1D8F0
#DAE8F6

Shades

#2C6EB5
#265F9C
#1F4D7F
#183C63
#112A46
#0B1B2D

Want a full 50-950 ramp with semantic roles? Generate design tokens from #3680CE.

How #3680CE 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#3680CE
Protanopia#7777CE
Protanomaly#637BCE
Deuteranopia#6E6ECF
Deuteranomaly#5D76CE
Tritanopia#008D8D
Tritanomaly#1288AB
Achromatopsia#7D7D7D

Test a full palette in the color blindness simulator.

Using #3680CE in Code

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

CSS custom property--color-3680ce: #3680CE;
CSS backgroundbackground-color: #3680CE;
Tailwind configcolors: { 'color-3680ce': '#3680CE' }
SwiftUIColor(red: 0.212, green: 0.502, blue: 0.808)
Android XML<color name="color_3680ce">#3680CE</color>
SVG fillfill="#3680CE"

More Blue Colors

#3680CE sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

000024fafaff00002ef9fafb000033f8fafc000038f8f8ff000042f5faff000047f5f5ff002147007dfa0f52ba1c39bb2a3439372aac4e3cc364609a7abdff979aaab8dbffd6d6ff

#3680CE Frequently Asked Questions

What color is #3680CE?

#3680CE is a mid-tone blue — rgb(54, 128, 206) in RGB and hsl(211, 61%, 51%) 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 5.84.

What is the RGB value of #3680CE?

#3680CE is rgb(54, 128, 206) — red 54, green 128, and blue 206 on the 0-255 scale.

What is the CMYK value of #3680CE?

#3680CE converts to approximately cmyk(74%, 38%, 0%, 19%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #3680CE be black or white?

Black text is the more readable choice. #3680CE scores 4.09:1 against white and 5.14:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #3680CE as a CSS color keyword?

No. #3680CE 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 11.33, which is visibly different.

Open #3680CE 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.