E20003

#E20003 Heat Signature

#E20003 is a medium, vivid red named Heat Signature. In the RGB color model it is made of 88.6% red, 0.0% green and 1.2% blue (rgb(226, 0, 3)). Its HSL value is 359° hue, 100% saturation and 44% lightness, and in CMYK it is 0% cyan, 100% magenta, 99% yellow and 11% black. #E20003 is a warm color. White text reads best on it, with a contrast ratio of 4.96:1.

#E20003 color conversion

HEX
RGB
HSL
HSB / HSV
HWB
CMYK
XYZ
CIELAB
CIELCh
CIELUV
OKLCH

Variations of #E20003

Shades

Mixed with black: richer and darker.

Tints

Mixed with white: lighter and softer.

Tones

Mixed with gray: calmer and more muted.

Hues

The same lightness and chroma, rotated around the color wheel.

Temperatures

Cooler on the left, warmer on the right.

#E20003 color harmonies

Complementary

The opposite hue — maximum contrast and energy.

Open in generator →

Split complementary

The two hues next to the complement — contrast with less tension.

Open in generator →

Analogous

Neighbouring hues — calm, cohesive and natural.

Open in generator →

Triadic

Three hues evenly spaced at 120° — vibrant yet balanced.

Open in generator →

Tetradic

Two complementary pairs — rich, best with one dominant color.

Open in generator →

Square

Four hues spaced at 90° — bold and playful.

Open in generator →

#E20003 for color-blind viewers (and dogs)

How #E20003 appears with each type of color vision deficiency (Machado 2009 model) — and to your dog. Try the dog vision simulator →

  • Dog vision 54% similarHow dogs see it · simulated as #907F00
  • Protanopia 48% similar1.3% of men, 0.02% of women · simulated as #5F5300
  • Protanomaly 68% similar1.3% of men, 0.02% of women · simulated as #934E00
  • Deuteranopia 54% similar1.2% of men, 0.01% of women · simulated as #907F00
  • Deuteranomaly 69% similar5% of men, 0.35% of women · simulated as #AD6800
  • Tritanopia 90% similar0.001% of men, 0.03% of women · simulated as #FA000D
  • Tritanomaly 96% similar0.0001% of men, 0.0001% of women · simulated as #EC0005
  • Achromatopsia 53% similar0.003% of men, 0.003% of women · simulated as #707070
  • Achromatomaly 66% similar0.001% of men, 0.001% of women · simulated as #976262

#E20003 contrast checker

AaThe quick brown fox jumps over the lazy dog.
4.96:1 Good#E20003 text on white
AA normalPassAAA normalFail
AA largePassAAA largePass
AaThe quick brown fox jumps over the lazy dog.
4.24:1 Poor#E20003 text on black
AA normalFailAAA normalFail
AA largePassAAA largeFail

Need another background? Pick any pair in the palette generator and open the contrast panel.

Colors similar to #E20003

Palettes with #E20003

#E20003 in CSS

/* Heat Signature */
.color { color: #E20003; }
.background { background-color: #E20003; }
.border { border: 1px solid #E20003; }

/* Other notations */
color: rgb(226 0 3);
color: hsl(359 100% 44%);
color: oklch(0.573 0.235 29.0);

#E20003 FAQ

What color is #E20003?

#E20003 is a medium, vivid red. Its closest named color is Heat Signature. It belongs to the red color family and is a warm color.

What is the RGB value of #E20003?

#E20003 is rgb(226, 0, 3) in RGB, hsl(359, 100%, 44%) in HSL and cmyk(0%, 100%, 99%, 11%) in CMYK.

What is the complementary color of #E20003?

The complementary color of #E20003 is #00E2DF, which sits opposite it on the color wheel.

Which text color works on #E20003?

White text has the best contrast on #E20003: 4.96:1, which meets the WCAG AA requirement of 4.5:1 for normal text.

Is #E20003 a warm or cool color?

#E20003 is a warm color.