#FF0F37 Color

#FF0F37 is rgb(255, 15, 55) in RGB, hsl(350, 100%, 53%) in HSL, and about cmyk(0%, 94%, 78%, 0%) in CMYK. It has no registered color name of its own — the closest is Scarlet (Crayola) (#FD0E35), indistinguishable to the eye at ΔE 0.81. Black text is the more readable choice on this background.

#FF0F37

HEX#FF0F37

RGBrgb(255, 15, 55)

HSLhsl(350, 100%, 53%)

HSVhsv(350, 94%, 100%)

CMYKcmyk(0%, 94%, 78%, 0%)

OKLCHoklch(63.4% 0.252 23.3)

LABlab(54.89% 80.35 48.30)

LCHlch(54.89% 93.75 31.01)

What #FF0F37 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 #FF0F37, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Scarlet (Crayola)#FD0E35ΔE 0.81 Red (Munsell)#F2003CΔE 7.8 Spanish Red#E60026ΔE 8 Red (Pigment)#ED1C24ΔE 8.97 Cadmium Red#E30022ΔE 9.33 Medium Candy Apple Red#E2062CΔE 9.49

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

#FF0F37 Channel Values

How #FF0F37 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 15 · B 55	8-bit channels as sent to the display
HSL	H 350° · S 100% · L 53%	Easiest model for building lighter and darker variants
HSV	H 350° · S 94% · V 100%	Matches the picker in most design tools
CMYK	C 0% · M 94% · Y 78% · K 0%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	3.91:1 vs white · 5.38:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #FF0F37 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 text3.91:1AA normal AA large AAA normal

TextBlack text5.38:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #FF0F37 in the contrast checker.

Colors That Go With #FF0F37

Pairings derived from color-wheel relationships. The complementary color sits opposite #FF0F37; 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 #FF0F37

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 #FF0F37.

How #FF0F37 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#FF0F37

Protanopia#747433

Protanomaly#BC5C35

Deuteranopia#9C9C1A

Deuteranomaly#CB7C28

Tritanopia#FF1818

Tritanomaly#FF1527

Achromatopsia#818181

Test a full palette in the color blindness simulator.

Using #FF0F37 in Code

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

CSS custom property--color-ff0f37: #FF0F37;

CSS backgroundbackground-color: #FF0F37;

Tailwind configcolors: { 'color-ff0f37': '#FF0F37' }

SwiftUIColor(red: 1.000, green: 0.059, blue: 0.216)

Android XML<color name="color_ff0f37">#FF0F37</color>

SVG fillfill="#FF0F37"

More Red Colors

#FF0F37 sits in the red family. These are its neighbours across that family's full range, each with its own breakdown.

ff0f4b ff0f0f ff1818 ff0a33 ff1f1f ff0800 ff2056 ff052b ff2400 ff0033 ff2424 ff0000 ff6347 ffb5a8 fff1f0 470012 70001c 8f0018 a52a2a bf1234 cc6666 e0cccc ecb6b6 f8523f

#FF0F37 Frequently Asked Questions

What color is #FF0F37?

#FF0F37 is a mid-tone red — rgb(255, 15, 55) in RGB and hsl(350, 100%, 53%) in HSL. It carries no registered color name of its own; the closest named color is Scarlet (Crayola) (#FD0E35), which is indistinguishable to the eye at a CIE76 distance of 0.81.

What is the RGB value of #FF0F37?

#FF0F37 is rgb(255, 15, 55) — red 255, green 15, and blue 55 on the 0-255 scale.

What is the CMYK value of #FF0F37?

#FF0F37 converts to approximately cmyk(0%, 94%, 78%, 0%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #FF0F37 be black or white?

Black text is the more readable choice. #FF0F37 scores 3.91:1 against white and 5.38:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #FF0F37 as a CSS color keyword?

No. #FF0F37 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 crimson (#DC143C) at a CIE76 distance of 17.2, which is visibly different.

Open #FF0F37 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.