#F02300 Hex Color
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Fire-red at full saturation. The hex code #f02300 burns bright with an orange lean, reading loud, urgent, and a little dangerous. Black text clears AA on it at roughly 4.9:1, so small type stays legible. Use it for buttons, sale badges, and emergency cues, and pair it with deep teal or charcoal. As a full background it fatigues the eye fast, so keep it to accents.
Questions about #f02300
What is #f02300 in RGB, HSL and CMYK?
In RGB, #f02300 is rgb(240, 35, 0), in HSL hsl(9, 100%, 47%) and in CMYK 0%, 85%, 100%, 6%.
What colors pair well with #f02300?
Deep teal and charcoal balance its heat best, since both cool tones mute the intensity without dulling it. Soft creams and warm grays also work when you need breathing room around the red.
Is #f02300 readable on white or black?
#f02300 has a 4.24:1 contrast ratio on white and 4.94:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it works only for large text (24px, or 18.5px bold) and on black it works for body text. Try other pairs in the contrast checker.