Color
#E4213A
Vivid warm red. Nearest reference color: Rose madder.
RGB
0–255CMYK
0–100%RGB describes how #E4213A is represented with light on digital screens. This color combines red 228, green 33 and blue 58.
CMYK describes the same color using the four components commonly used in printing: cyan 0%, magenta 85.53%, yellow 74.56% and black 10.59%.
HSL values
In the HSL color model, #E4213A has a hue of 352.31°, 78.31% saturation and 51.18% lightness. The sliders below show where this color sits across each of these three dimensions.
Color insight
#E4213A is a medium, warm red with vivid chroma.
- Temperature
- Warm
- Lightness
- Medium
- Chroma
- Vivid
Color formats
Copy #E4213A in a format ready to use in CSS, design tools or other applications.
#E4213A
rgb(228, 33, 58)
hsl(352.31 78.31% 51.18%)
oklch(0.591076 0.223074 22.2969)
--color: #E4213A;
Tints of #E4213A
Tints are lighter variations of #E4213A. They keep the character of the original color while moving progressively toward a lighter appearance.
Shades of #E4213A
Shades are darker variations of #E4213A. Moving toward black increases visual depth while preserving the underlying hue of the color.
Tones of #E4213A
Tones reduce the chroma of #E4213A, producing quieter and more muted variations without simply making the color lighter or darker.
Tonal range of #E4213A
A continuous light-to-dark scale places #E4213A between its lighter tints and deeper shades.
CSS color scale
Use this tonal range as reusable CSS custom properties.
:root {
--color-100: #FFE8E7;
--color-200: #FFBEBB;
--color-300: #FF908D;
--color-400: #FF535A;
--color-500: #E4213A;
--color-600: #AE0024;
--color-700: #750015;
--color-800: #410007;
--color-900: #140001;
}
Colors that go with #E4213A
Color harmonies for #E4213A are generated by rotating its hue in the OKLCH color space while preserving its lightness and chroma. This creates classic complementary, analogous, triadic and other hue relationships with more consistent perceptual balance.
Complementary
Opposite on the color wheel, creating the strongest direct hue contrast.
Triadic
Three evenly spaced hues that create a broader, balanced color relationship.
Split complementary
Two hues around the complementary color, providing contrast with more variation.
CSS gradients with #E4213A
These gradients show how #E4213A moves toward white, black and its complementary color. Each gradient includes ready-to-use CSS that can be copied directly into a project.
Toward white
A light gradient that moves from the original color toward white.
background: linear-gradient(90deg, #E4213A, #F26B6B, #FC9F9B, #FFD0CD, #FFFFFF);
Toward black
A dark gradient that moves from the original color toward black.
background: linear-gradient(90deg, #E4213A, #9B1324, #580610, #1D0102, #000000);
Text contrast and accessibility
Contrast determines how clearly text can be distinguished from #E4213A. The values below compare white and black text using WCAG contrast ratios.
Recommended text color: #FFFFFF . Relative luminance: 0.1789 .
Accessible CSS
Use the recommended text color with #E4213A as the background.
background-color: #E4213A;
color: #FFFFFF;
Using #E4213A in design
See how #E4213A works in a simple interface. The examples below use the color as a background, accent and interface element, with text chosen from its accessibility result.
#E4213A used as a full background with its recommended text color.
Use #E4213A to emphasize selected interface elements without filling the entire surface.
Colors similar to #E4213A
These nearby colors are generated from perceptual variations of #E4213A, including changes in lightness, chroma and hue.
Color vision simulation
The simulations below show mathematical approximations of how #E4213A may shift under three forms of color vision deficiency. They are simulations, not a diagnosis or an exact representation of any individual person's vision.
Simulation based on the model by Machado, Oliveira and Fernandes (2009), published in IEEE Transactions on Visualization and Computer Graphics. DOI: 10.1109/TVCG.2009.113.
Advanced color values
Beyond RGB, CMYK and HSL, #E4213A can also be represented in perceptual and device-independent color spaces used in color science and modern design tools.
XYZ
- X
- 33.3066
- Y
- 17.8927
- Z
- 5.7021
CIELAB
- L*
- 49.3657
- a*
- 70.758
- b*
- 37.8729
OKLab
- L
- 0.591076
- a
- 0.206395
- b
- 0.084636
OKLCH
- L
- 0.591076
- C
- 0.223074
- H
- 22.2969°