Neon Scarlet (#FF2603)

The hex code for Neon Scarlet is #FF2603. It is rgb(255, 38, 3) in RGB, hsl(8, 100%, 51%) in HSL, and about cmyk(0%, 85%, 99%, 0%) in CMYK — a mid-tone red. Black text is the more readable choice on this background.

#FF2603

HEX#FF2603

RGBrgb(255, 38, 3)

HSLhsl(8, 100%, 51%)

HSVhsv(8, 99%, 100%)

CMYKcmyk(0%, 85%, 99%, 0%)

OKLCHoklch(63.9% 0.247 31)

LABlab(55.73% 76.82 69.43)

LCHlch(55.73% 103.55 42.11)

Colors Closest to Neon Scarlet

Neon Scarlet is a registered color name. These are the named colors nearest to it, measured as CIE76 distance in CIELAB — a perceptual scale, so the ordering matches what the eye sees rather than how close the raw RGB numbers happen to sit.

Scarlet#FF2400ΔE 0.78 Websafe Scarlet#FF3300ΔE 3.04 Candy Apple Red#FF0800ΔE 3.73 Red (RYB)#FE2712ΔE 3.93 Red#FF0000ΔE 4.27 Coquelicot#FF3800ΔE 4.33

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

#FF2603 Channel Values

How Neon Scarlet 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 255 · G 38 · B 3	8-bit channels as sent to the display
HSL	H 8° · S 100% · L 51%	Easiest model for building lighter and darker variants
HSV	H 8° · S 99% · V 100%	Matches the picker in most design tools
CMYK	C 0% · M 85% · Y 99% · K 0%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	3.8:1 vs white · 5.53:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a Neon Scarlet 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 text3.8:1AA normal ✗AA large ✓AAA normal ✗

TextBlack text5.53:1AA normal ✓AA large ✓AAA normal ✗

Need a specific ratio against another background? Open #FF2603 in the contrast checker.

Colors That Go With Neon Scarlet

Pairings derived from color-wheel relationships. The complementary color sits opposite Neon Scarlet; 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 Neon Scarlet

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 #FF2603.

How Neon Scarlet 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#FF2603

Protanopia#787800

Protanomaly#BE6100

Deuteranopia#9E9E00

Deuteranomaly#CC7F00

Tritanopia#FF2323

Tritanomaly#FF241A

Achromatopsia#838383

Test a full palette in the color blindness simulator.

Using #FF2603 in Code

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

CSS custom property--neon-scarlet: #FF2603;

CSS backgroundbackground-color: #FF2603;

Tailwind configcolors: { 'neon-scarlet': '#FF2603' }

SwiftUIColor(red: 1.000, green: 0.149, blue: 0.012)

Android XML<color name="neon_scarlet">#FF2603</color>

SVG fillfill="#FF2603"

More Red Colors

Neon Scarlet sits in the redfamily. These are its neighbours across that family's full range, each with its own breakdown.

ff2929 ff2424 ff301a ff2400 ff3300 ff2056 ff3333 ff1f1f ff3366 ff1818 ff355e ff0f4b ff6e4a ffc7cf 1f0008 52000c 733635 954535 aa381e c21d00 cf1b07 e4717a f02400 fb607f

#FF2603 Frequently Asked Questions

What is the hex code for Neon Scarlet?

The hex code for Neon Scarlet is #FF2603. That is rgb(255, 38, 3) in RGB, hsl(8, 100%, 51%) in HSL, and approximately cmyk(0%, 85%, 99%, 0%) in CMYK.

What is the RGB value of #FF2603?

#FF2603 is rgb(255, 38, 3) — red 255, green 38, and blue 3 on the 0-255 scale.

What is the CMYK value of #FF2603?

#FF2603 converts to approximately cmyk(0%, 85%, 99%, 0%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #FF2603 be black or white?

Black text is the more readable choice. #FF2603 scores 3.8:1 against white and 5.53:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #FF2603 as a CSS color keyword?

No. #FF2603 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 red (#FF0000) at a CIE76 distance of 4.27, which is very hard to tell apart.

Open Neon Scarlet in a Tool

Hex to RGB Hex to HSL Hex to CMYK Hex to OKLCH Hex to Pantone Build a palette Make a gradient

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