#297EFF Color

#297EFF is rgb(41, 126, 255) in RGB, hsl(216, 100%, 58%) in HSL, and about cmyk(84%, 51%, 0%, 0%) in CMYK. It has no registered color name of its own — the closest is Blue (Crayola) (#1F75FE), clearly related but distinguishable side by side at ΔE 6.32. Black text is the more readable choice on this background.

#297EFF

HEX#297EFF

RGBrgb(41, 126, 255)

HSLhsl(216, 100%, 58%)

HSVhsv(216, 84%, 100%)

CMYKcmyk(84%, 51%, 0%, 0%)

OKLCHoklch(61.6% 0.208 259.2)

LABlab(53.51% 11.88 -72.57)

LCHlch(53.51% 73.54 279.29)

What #297EFF 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 #297EFF, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Blue (Crayola)#1F75FEΔE 6.32 Bluetiful#3C69E7ΔE 9.96 Blueberry#4F86F7ΔE 10.07 Royal Blue#4169E1ΔE 10.71 Vantg Blue#5271FFΔE 13.32 Dodger Blue#1E90FFΔE 14.32

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

#297EFF Channel Values

How #297EFF breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

Model	Channels	Notes
RGB	R 41 · G 126 · B 255	8-bit channels as sent to the display
HSL	H 216° · S 100% · L 58%	Easiest model for building lighter and darker variants
HSV	H 216° · S 84% · V 100%	Matches the picker in most design tools
CMYK	C 84% · M 51% · Y 0% · K 0%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	3.8:1 vs white · 5.52:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #297EFF 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 text3.8:1AA normal AA large AAA normal

TextBlack text5.52:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #297EFF in the contrast checker.

Colors That Go With #297EFF

Pairings derived from color-wheel relationships. The complementary color sits opposite #297EFF; 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 #297EFF

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 #297EFF.

How #297EFF 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#297EFF

Protanopia#7575FF

Protanomaly#5F79FF

Deuteranopia#6B6BFF

Deuteranomaly#5873FF

Tritanopia#009797

Tritanomaly#008EC9

Achromatopsia#838383

Test a full palette in the color blindness simulator.

Using #297EFF in Code

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

CSS custom property--color-297eff: #297EFF;

CSS backgroundbackground-color: #297EFF;

Tailwind configcolors: { 'color-297eff': '#297EFF' }

SwiftUIColor(red: 0.161, green: 0.494, blue: 1.000)

Android XML<color name="color_297eff">#297EFF</color>

SVG fillfill="#297EFF"

More Blue Colors

#297EFF sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

2a2069 2929ff 2a3439 2887c8 2a52be 273be2 2b2bc5 272e34 2b506e 26619c 2b7fff 263c5a 3719e1 4c516d 62748e 77b5fe 93d3fb b6cdf6 d3d9de f1f5f9 0000e6 0069d1 0c2b64 191632

#297EFF Frequently Asked Questions

What color is #297EFF?

#297EFF is a mid-tone blue — rgb(41, 126, 255) in RGB and hsl(216, 100%, 58%) in HSL. It carries no registered color name of its own; the closest named color is Blue (Crayola) (#1F75FE), which is clearly related but distinguishable side by side at a CIE76 distance of 6.32.

What is the RGB value of #297EFF?

#297EFF is rgb(41, 126, 255) — red 41, green 126, and blue 255 on the 0-255 scale.

What is the CMYK value of #297EFF?

#297EFF converts to approximately cmyk(84%, 51%, 0%, 0%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #297EFF be black or white?

Black text is the more readable choice. #297EFF scores 3.8:1 against white and 5.52:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #297EFF as a CSS color keyword?

No. #297EFF 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 royalblue (#4169E1) at a CIE76 distance of 10.71, which is visibly different.

Open #297EFF in a Tool

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