Color #515151
A nearly neutral, gray-leaning dark red.
Conversions
#515151rgb(81, 81, 81)hsl(0, 0%, 31.8%)hsv(0, 0%, 31.8%)cmyk(0%, 0%, 0%, 68.2%)lab(34.45, -0, 0)lch(34.45, 0, 180)oklch(43.5%, 0, 0)hwb(0, 31.8%, 68.2%)Harmony colors
Accessibility
White text reads better on this background (7.94:1). That passes WCAG AAA (≥7:1) for normal-size text.
Under color vision deficiencies
Protanopia
#515151 · ΔE 0
Deuteranopia
#515151 · ΔE 0
Tritanopia
#515151 · ΔE 0
Achromatopsia
#515151 · ΔE 0
Left half is the original, right half is the simulated appearance. See all 8 vision types →
Code
background-color: #515151;bg-[#515151]Related colors
Frequently asked questions
#515151 (#515151) is rgb(81, 81, 81) in RGB.
No, #515151 is not web-safe. The nearest web-safe colors are among its tones and shades below.
Related tools
HEX to RGB Converter
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Try it → AccessibilityContrast Checker
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Try it → GeneratorsPalette Generator
Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.
Try it →Build something with this color
Generate a full palette from #515151, or check how it holds up for accessibility.