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#2F42CA Color

#2F42CA is rgb(47, 66, 202) in RGB, hsl(233, 62%, 49%) in HSL, and about cmyk(77%, 67%, 0%, 21%) in CMYK. It has no registered color name of its own — the closest is Persian Blue (#1C39BB), very hard to tell apart at ΔE 4.76. White text is the more readable choice on this background.

#2F42CA
HEX#2F42CA
RGBrgb(47, 66, 202)
HSLhsl(233, 62%, 49%)
HSVhsv(233, 77%, 79%)
CMYKcmyk(77%, 67%, 0%, 21%)
OKLCHoklch(46.1% 0.209 269.5)
LABlab(34.23% 31.65 -74.03)
LCHlch(34.23% 80.51 293.15)

What #2F42CA 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 #2F42CA, 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.

#2F42CA Channel Values

How #2F42CA 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 47 · G 66 · B 2028-bit channels as sent to the display
HSLH 233° · S 62% · L 49%Easiest model for building lighter and darker variants
HSVH 233° · S 77% · V 79%Matches the picker in most design tools
CMYKC 77% · M 67% · Y 0% · K 21%Approximate ink mix; confirm with an ICC profile before printing
Luminance7.63:1 vs white · 2.75:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #2F42CA 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 text7.63:1AA normal AA large AAA normal
Fails AABlack text2.75:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #2F42CA in the contrast checker.

Colors That Go With #2F42CA

Pairings derived from color-wheel relationships. The complementary color sits opposite #2F42CA; 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 #2F42CA

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 #2F42CA.

How #2F42CA 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#2F42CA
Protanopia#3F3FCA
Protanomaly#3940CA
Deuteranopia#3C3CCA
Deuteranomaly#383FCA
Tritanopia#006262
Tritanomaly#005797
Achromatopsia#545454

Test a full palette in the color blindness simulator.

Using #2F42CA in Code

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

CSS custom property--color-2f42ca: #2F42CA;
CSS backgroundbackground-color: #2F42CA;
Tailwind configcolors: { 'color-2f42ca': '#2F42CA' }
SwiftUIColor(red: 0.184, green: 0.259, blue: 0.792)
Android XML<color name="color_2f42ca">#2F42CA</color>
SVG fillfill="#2F42CA"

More Blue Colors

#2F42CA sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

#2F42CA Frequently Asked Questions

What color is #2F42CA?

#2F42CA is a mid-tone blue — rgb(47, 66, 202) in RGB and hsl(233, 62%, 49%) in HSL. It carries no registered color name of its own; the closest named color is Persian Blue (#1C39BB), which is very hard to tell apart at a CIE76 distance of 4.76.

What is the RGB value of #2F42CA?

#2F42CA is rgb(47, 66, 202) — red 47, green 66, and blue 202 on the 0-255 scale.

What is the CMYK value of #2F42CA?

#2F42CA converts to approximately cmyk(77%, 67%, 0%, 21%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #2F42CA be black or white?

White text is the more readable choice. #2F42CA scores 7.63:1 against white and 2.75:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #2F42CA as a CSS color keyword?

No. #2F42CA 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 18.59, which is visibly different.

Open #2F42CA in a Tool

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