Red Color — #FF0000
Complete color reference for #FF0000: conversions to RGB, HSL, HSV, CMYK, color harmonies, shades & tints scale, and WCAG accessibility contrast ratios.
Color Format Conversions
#FF0000rgb(255, 0, 0)hsl(0, 100%, 50%)hsv(0, 100%, 100%)C:0% M:100% Y:100% K:0%red167116800.2126WCAG Accessibility Contrast
WCAG AA requires ≥4.5:1 (normal text) or ≥3:1 (large text). WCAG AAA requires ≥7:1.
Shades & Tints Scale
Steps 50–400 are tints (mixed with white); 500 is the base color; 600–900 are shades (mixed with black).
Color Harmonies
Complementary
Split Complementary
Related Color Tools
Frequently Asked Questions
What is the RGB equivalent of #FF0000?
The RGB equivalent is rgb(255, 0, 0). The red channel is 255, green is 0, and blue is 0 (scale 0–255).
What is the HSL value of #FF0000?
The HSL value is hsl(0, 100%, 50%). Hue is 0°, saturation is 100%, and lightness is 50%.
Does #FF0000 meet WCAG accessibility standards?
On a white background, #FF0000 achieves a 4:1 contrast ratio (AA Large). On a black background it achieves 5.25:1 (AA). WCAG AA requires ≥4.5:1 for normal text.
What is the complementary color of #FF0000?
The complementary color (180° opposite on the hue wheel) of #FF0000 is #00FFFF.