Color #010000
A vivid, highly saturated very dark red.
Conversions
#010000rgb(1, 0, 0)hsl(0, 100%, 0.2%)hsv(0, 100%, 0.4%)cmyk(0%, 100%, 100%, 99.6%)lab(0.06, 0.26, 0.09)lch(0.06, 0.28, 19.09)oklch(4.2%, 0.0173, 29.38)hwb(0, 0%, 99.6%)Harmony colors
Accessibility
White text reads better on this background (20.97:1). That passes WCAG AAA (≥7:1) for normal-size text.
Under color vision deficiencies
Protanopia
#010100 · ΔE 0.7
Deuteranopia
#010100 · ΔE 0.7
Tritanopia
#010000 · ΔE 0
Achromatopsia
#000000 · ΔE 0.4
Left half is the original, right half is the simulated appearance. See all 8 vision types →
Code
background-color: #010000;bg-[#010000]Related colors
Frequently asked questions
#010000 (#010000) is rgb(1, 0, 0) in RGB.
No, #010000 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.
Related tools
HEX to RGB Converter
Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.
Try it → AccessibilityContrast Checker
Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.
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 #010000, or check how it holds up for accessibility.