#660000 Color — #660000
Complete color reference for #660000: conversions to RGB, HSL, HSV, CMYK, color harmonies, shades & tints scale, and WCAG accessibility contrast ratios.
Color Format Conversions
#660000rgb(102, 0, 0)hsl(0, 100%, 20%)hsv(0, 100%, 40%)C:0% M:100% Y:100% K:60%#66000066846720.0282WCAG 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 #660000?
The RGB equivalent is rgb(102, 0, 0). The red channel is 102, green is 0, and blue is 0 (scale 0–255).
What is the HSL value of #660000?
The HSL value is hsl(0, 100%, 20%). Hue is 0°, saturation is 100%, and lightness is 20%.
Does #660000 meet WCAG accessibility standards?
On a white background, #660000 achieves a 13.42:1 contrast ratio (AAA). On a black background it achieves 1.56:1 (Fail). WCAG AA requires ≥4.5:1 for normal text.
What is the complementary color of #660000?
The complementary color (180° opposite on the hue wheel) of #660000 is #006666.