#FF1500 Color

#FF1500 is rgb(255, 21, 0) in RGB and hsl(5, 100%, 50%) in HSL. The closest CSS named color is Red. Black text is most readable on this background.

#FF1500
HEX#FF1500
RGBrgb(255, 21, 0)
HSLhsl(5, 100%, 50%)
HSVhsv(5, 100%, 100%)
OKLCHoklch(63.2% 0.254 30)
CMYKcmyk(0%, 92%, 100%, 0%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #FF1500 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text3.92:1AA normal ✗AA large ✓AAA normal ✗
TextBlack text5.36:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #FF1500 based on color wheel relationships. Click any swatch for its full breakdown.

Base#FF1500Complementary#00EAFFAnalogous#FF006AAnalogous#FF9500Triadic#00FF15Triadic#1500FF

Tints & Shades

Lighter tints and darker shades of #FF1500, useful for hover states, backgrounds, and text variants.

Use #FF1500 in Our Tools

Hex to RGBHex to HSLHex to CMYKHex to PantoneRGBA to Hex