EF243E

#EF243E closest to Charismatic Red

#EF243E is a medium, vivid red; the closest named color is Charismatic Red. In the RGB color model it is made of 93.7% red, 14.1% green and 24.3% blue (rgb(239, 36, 62)). Its HSL value is 352° hue, 86% saturation and 54% lightness, and in CMYK it is 0% cyan, 85% magenta, 74% yellow and 6% black. #EF243E is a warm color. Black text reads best on it, with a contrast ratio of 4.99:1.

#EF243E color conversion

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

Variations of #EF243E

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.

#EF243E color harmonies

Complementary

The opposite hue — maximum contrast and energy.

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Split complementary

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

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Analogous

Neighbouring hues — calm, cohesive and natural.

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Triadic

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

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Tetradic

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

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Square

Four hues spaced at 90° — bold and playful.

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#EF243E for color-blind viewers (and dogs)

How #EF243E 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 #9A8A36
  • Protanopia 49% similar1.3% of men, 0.02% of women · simulated as #69603D
  • Protanomaly 67% similar1.3% of men, 0.02% of women · simulated as #9D5B3A
  • Deuteranopia 54% similar1.2% of men, 0.01% of women · simulated as #9A8A36
  • Deuteranomaly 69% similar5% of men, 0.35% of women · simulated as #B77337
  • Tritanopia 94% similar0.001% of men, 0.03% of women · simulated as #FF0031
  • Tritanomaly 96% similar0.0001% of men, 0.0001% of women · simulated as #F90038
  • Achromatopsia 53% similar0.003% of men, 0.003% of women · simulated as #7B7B7B
  • Achromatomaly 67% similar0.001% of men, 0.001% of women · simulated as #A36D70

#EF243E contrast checker

AaThe quick brown fox jumps over the lazy dog.
4.21:1 Poor#EF243E text on white
AA normalFailAAA normalFail
AA largePassAAA largeFail
AaThe quick brown fox jumps over the lazy dog.
4.99:1 Good#EF243E text on black
AA normalPassAAA normalFail
AA largePassAAA largePass

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

Colors similar to #EF243E

Palettes with #EF243E

#EF243E in CSS

/* Charismatic Red */
.color { color: #EF243E; }
.background { background-color: #EF243E; }
.border { border: 1px solid #EF243E; }

/* Other notations */
color: rgb(239 36 62);
color: hsl(352 86% 54%);
color: oklch(0.613 0.231 22.2);

#EF243E FAQ

What color is #EF243E?

#EF243E is a medium, vivid red. Its closest named color is Charismatic Red. It belongs to the red color family and is a warm color.

What is the RGB value of #EF243E?

#EF243E is rgb(239, 36, 62) in RGB, hsl(352, 86%, 54%) in HSL and cmyk(0%, 85%, 74%, 6%) in CMYK.

What is the complementary color of #EF243E?

The complementary color of #EF243E is #24EFD5, which sits opposite it on the color wheel.

Which text color works on #EF243E?

Black text has the best contrast on #EF243E: 4.99:1, which meets the WCAG AA requirement of 4.5:1 for normal text.

Is #EF243E a warm or cool color?

#EF243E is a warm color.