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#E9423A Color

#E9423A is rgb(233, 66, 58) in RGB, hsl(3, 80%, 57%) in HSL, and about cmyk(0%, 72%, 75%, 9%) in CMYK. It has no registered color name of its own — the closest is Vermilion (#E34234), very hard to tell apart at ΔE 2.84. Black text is the more readable choice on this background.

#E9423A
HEX#E9423A
RGBrgb(233, 66, 58)
HSLhsl(3, 80%, 57%)
HSVhsv(3, 75%, 91%)
CMYKcmyk(0%, 72%, 75%, 9%)
OKLCHoklch(62.4% 0.205 27.6)
LABlab(54.34% 64.16 44.40)
LCHlch(54.34% 78.03 34.68)

What #E9423A Is Called

Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #E9423A, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Browse the full index of named colors A-Z or every red in the library.

#E9423A Channel Values

How #E9423A breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

ModelChannelsNotes
RGBR 233 · G 66 · B 588-bit channels as sent to the display
HSLH 3° · S 80% · L 57%Easiest model for building lighter and darker variants
HSVH 3° · S 75% · V 91%Matches the picker in most design tools
CMYKC 0% · M 72% · Y 75% · K 9%Approximate ink mix; confirm with an ICC profile before printing
Luminance3.96:1 vs white · 5.31:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #E9423A background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

Fails AAWhite text3.96:1AA normal AA large AAA normal
TextBlack text5.31:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #E9423A in the contrast checker.

Colors That Go With #E9423A

Pairings derived from color-wheel relationships. The complementary color sits opposite #E9423A; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
Complementary
Analogous
Analogous
Triadic
Triadic
Split comp.
Split comp.

Tints & Shades of #E9423A

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #E9423A.

How #E9423A Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#E9423A
Protanopia#777738
Protanomaly#B06639
Deuteranopia#969628
Deuteranomaly#BD7D30
Tritanopia#E94141
Tritanomaly#E9413E
Achromatopsia#808080

Test a full palette in the color blindness simulator.

Using #E9423A in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-e9423a: #E9423A;
CSS backgroundbackground-color: #E9423A;
Tailwind configcolors: { 'color-e9423a': '#E9423A' }
SwiftUIColor(red: 0.914, green: 0.259, blue: 0.227)
Android XML<color name="color_e9423a">#E9423A</color>
SVG fillfill="#E9423A"

More Red Colors

#E9423A sits in the red family. These are its neighbours across that family's full range, each with its own breakdown.

#E9423A Frequently Asked Questions

What color is #E9423A?

#E9423A is a mid-tone red — rgb(233, 66, 58) in RGB and hsl(3, 80%, 57%) in HSL. It carries no registered color name of its own; the closest named color is Vermilion (#E34234), which is very hard to tell apart at a CIE76 distance of 2.84.

What is the RGB value of #E9423A?

#E9423A is rgb(233, 66, 58) — red 233, green 66, and blue 58 on the 0-255 scale.

What is the CMYK value of #E9423A?

#E9423A converts to approximately cmyk(0%, 72%, 75%, 9%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #E9423A be black or white?

Black text is the more readable choice. #E9423A scores 3.96:1 against white and 5.31:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #E9423A as a CSS color keyword?

No. #E9423A is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is tomato (#FF6347) at a CIE76 distance of 10.49, which is visibly different.

Open #E9423A in a Tool

Keep exploring: every red in the color library, the guide to shades of red, or the full color library.