Red (#FF0000)
HEX, RGB, HSL, CMYK values + mood/style/use-case color tags. Use this page to keep your colors consistent across web and print.
Preview
Contrast vs white: 4.00:1 — vs black: 5.25:1
Color values
-
HEX
#FF0000 -
RGB
rgb(255, 0, 0) -
HSL
hsl(0, 100%, 50%) -
CMYK
cmyk( 0, 100, 100, 0 ) -
Websafe
#FF0000
Tags
Style
Use case
Tip: tags are heuristic suggestions (helpful for browsing and inspiration).
Color Harmonies
Colors that pair well with #FF0000 based on color theory relationships.
The color directly opposite on the color wheel — creates maximum contrast and vibrance.
#FF0000
Base
#00FFFF
Colors adjacent on the wheel — naturally harmonious and pleasing to the eye.
#FF0000
Base
#FF0080
#FF8000
Two colors flanking the complement — high contrast with less tension than full complementary.
#FF0000
Base
#00FF80
#0080FF
Four colors at 90° intervals — rich variety, best when one color dominates.
Shades and tints of the same hue — cohesive, elegant, and easy to work with.
Darker shades and lighter tints of Red, generated by adjusting lightness while keeping the same hue and saturation.
Shades (darker)
#1A0000
#470000
#750000
#A30000
#D10000
#FF0000
Base
#FF2E2E
#FF5C5C
#FF8A8A
#FFB8B8
#FFE6E6
Ready-to-use code snippets for #FF0000. Click the copy button to copy any snippet to your clipboard.
/* Background */
.element {
background-color: #FF0000;
}
/* Text */
.element {
color: #FF0000;
}
/* Border */
.element {
border: 1px solid #FF0000;
}/* Linear gradient to complementary */
.element {
background: linear-gradient(
to right,
#FF0000,
#00FFFF
);
}
/* Radial gradient */
.element {
background: radial-gradient(
circle,
#FF0000,
#00FFFF
);
}// SCSS variable
$red: #FF0000;
// With RGB channels (useful for rgba() usage)
$red-r: 255;
$red-g: 0;
$red-b: 0;
// Usage
.element {
background-color: $red;
color: rgba($red-r, $red-g, $red-b, 0.8);
}How Red appears to people with different types of color vision deficiency.
#FF0000
How the color appears with full color vision.
#939300
Deuteranopia affects ~8% of males. Green cones are absent, making it difficult to distinguish red from green. The most common form of color blindness.
#5D5D0E
Protanopia affects ~1% of males. Red cones are absent, causing reds to appear dark and indistinguishable from greens and browns.
#FF0000
Tritanopia is rare (~0.003%). Blue cones are absent, making blue and yellow difficult to distinguish. Blues may appear green, yellows appear pink.
#7F7F7F
Achromatopsia is complete color blindness. The world is seen entirely in shades of grey. Affects ~1 in 30,000 people.
How to use this color
- Copy HEX for CSS and design tools, or RGB/HSL for UI adjustments.
- Use CMYK when preparing print assets (posters, packaging, brochures).
- Check contrast before using it for text or important UI elements.