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#4737BE Color

#4737BE is rgb(71, 55, 190) in RGB, hsl(247, 55%, 48%) in HSL, and about cmyk(63%, 71%, 0%, 25%) in CMYK. It has no registered color name of its own — the closest is Persian Blue (#1C39BB), clearly related but distinguishable side by side at ΔE 8.4. White text is the more readable choice on this background.

#4737BE
HEX#4737BE
RGBrgb(71, 55, 190)
HSLhsl(247, 55%, 48%)
HSVhsv(247, 71%, 75%)
CMYKcmyk(63%, 71%, 0%, 25%)
OKLCHoklch(44.7% 0.2 279.9)
LABlab(32.40% 38.12 -69.96)
LCHlch(32.40% 79.67 298.59)

What #4737BE 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 #4737BE, 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.

#4737BE Channel Values

How #4737BE 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 71 · G 55 · B 1908-bit channels as sent to the display
HSLH 247° · S 55% · L 48%Easiest model for building lighter and darker variants
HSVH 247° · S 71% · V 75%Matches the picker in most design tools
CMYKC 63% · M 71% · Y 0% · K 25%Approximate ink mix; confirm with an ICC profile before printing
Luminance8.21:1 vs white · 2.56:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #4737BE 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 text8.21:1AA normal AA large AAA normal
Fails AABlack text2.56:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #4737BE in the contrast checker.

Colors That Go With #4737BE

Pairings derived from color-wheel relationships. The complementary color sits opposite #4737BE; 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 #4737BE

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 #4737BE.

How #4737BE 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#4737BE
Protanopia#3A3ABE
Protanomaly#4039BE
Deuteranopia#3D3DBE
Deuteranomaly#413BBE
Tritanopia#085858
Tritanomaly#2D4D8D
Achromatopsia#4F4F4F

Test a full palette in the color blindness simulator.

Using #4737BE in Code

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

CSS custom property--color-4737be: #4737BE;
CSS backgroundbackground-color: #4737BE;
Tailwind configcolors: { 'color-4737be': '#4737BE' }
SwiftUIColor(red: 0.278, green: 0.216, blue: 0.745)
Android XML<color name="color_4737be">#4737BE</color>
SVG fillfill="#4737BE"

More Blue Colors

#4737BE sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

#4737BE Frequently Asked Questions

What color is #4737BE?

#4737BE is a mid-tone blue — rgb(71, 55, 190) in RGB and hsl(247, 55%, 48%) in HSL. It carries no registered color name of its own; the closest named color is Persian Blue (#1C39BB), which is clearly related but distinguishable side by side at a CIE76 distance of 8.4.

What is the RGB value of #4737BE?

#4737BE is rgb(71, 55, 190) — red 71, green 55, and blue 190 on the 0-255 scale.

What is the CMYK value of #4737BE?

#4737BE converts to approximately cmyk(63%, 71%, 0%, 25%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #4737BE be black or white?

White text is the more readable choice. #4737BE scores 8.21:1 against white and 2.56:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #4737BE as a CSS color keyword?

No. #4737BE 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 18.61, which is visibly different.

Open #4737BE in a Tool

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