Skip to content

#3A47BB Color

#3A47BB is rgb(58, 71, 187) in RGB, hsl(234, 53%, 48%) in HSL, and about cmyk(69%, 62%, 0%, 27%) in CMYK. It has no registered color name of its own — the closest is Denim Blue (#2243B6), very hard to tell apart at ΔE 3.91. White text is the more readable choice on this background.

#3A47BB
HEX#3A47BB
RGBrgb(58, 71, 187)
HSLhsl(234, 53%, 48%)
HSVhsv(234, 69%, 73%)
CMYKcmyk(69%, 62%, 0%, 27%)
OKLCHoklch(46.1% 0.181 272.2)
LABlab(34.94% 25.68 -64.07)
LCHlch(34.94% 69.03 291.84)

What #3A47BB 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 #3A47BB, 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.

#3A47BB Channel Values

How #3A47BB 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 58 · G 71 · B 1878-bit channels as sent to the display
HSLH 234° · S 53% · L 48%Easiest model for building lighter and darker variants
HSVH 234° · S 69% · V 73%Matches the picker in most design tools
CMYKC 69% · M 62% · Y 0% · K 27%Approximate ink mix; confirm with an ICC profile before printing
Luminance7.5:1 vs white · 2.8:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #3A47BB 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 text7.5:1AA normal AA large AAA normal
Fails AABlack text2.8:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #3A47BB in the contrast checker.

Colors That Go With #3A47BB

Pairings derived from color-wheel relationships. The complementary color sits opposite #3A47BB; 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 #3A47BB

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 #3A47BB.

How #3A47BB 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#3A47BB
Protanopia#4545BB
Protanomaly#4146BB
Deuteranopia#4343BB
Deuteranomaly#4045BB
Tritanopia#006060
Tritanomaly#18578E
Achromatopsia#555555

Test a full palette in the color blindness simulator.

Using #3A47BB in Code

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

CSS custom property--color-3a47bb: #3A47BB;
CSS backgroundbackground-color: #3A47BB;
Tailwind configcolors: { 'color-3a47bb': '#3A47BB' }
SwiftUIColor(red: 0.227, green: 0.278, blue: 0.733)
Android XML<color name="color_3a47bb">#3A47BB</color>
SVG fillfill="#3A47BB"

More Blue Colors

#3A47BB sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

#3A47BB Frequently Asked Questions

What color is #3A47BB?

#3A47BB is a mid-tone blue — rgb(58, 71, 187) in RGB and hsl(234, 53%, 48%) in HSL. It carries no registered color name of its own; the closest named color is Denim Blue (#2243B6), which is very hard to tell apart at a CIE76 distance of 3.91.

What is the RGB value of #3A47BB?

#3A47BB is rgb(58, 71, 187) — red 58, green 71, and blue 187 on the 0-255 scale.

What is the CMYK value of #3A47BB?

#3A47BB converts to approximately cmyk(69%, 62%, 0%, 27%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #3A47BB be black or white?

White text is the more readable choice. #3A47BB scores 7.5:1 against white and 2.8:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #3A47BB as a CSS color keyword?

No. #3A47BB 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 slateblue (#6A5ACD) at a CIE76 distance of 11.71, which is visibly different.

Open #3A47BB in a Tool

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