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#A6303C Color

#A6303C is rgb(166, 48, 60) in RGB, hsl(354, 55%, 42%) in HSL, and about cmyk(0%, 71%, 64%, 35%) in CMYK. It has no registered color name of its own — the closest is Japanese Carmine (#9D2933), very hard to tell apart at ΔE 3.4. White text is the more readable choice on this background.

#A6303C
HEX#A6303C
RGBrgb(166, 48, 60)
HSLhsl(354, 55%, 42%)
HSVhsv(354, 71%, 65%)
CMYKcmyk(0%, 71%, 64%, 35%)
OKLCHoklch(49.1% 0.153 19.3)
LABlab(39.37% 49.25 22.27)
LCHlch(39.37% 54.05 24.34)

What #A6303C 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 #A6303C, 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.

#A6303C Channel Values

How #A6303C 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 166 · G 48 · B 608-bit channels as sent to the display
HSLH 354° · S 55% · L 42%Easiest model for building lighter and darker variants
HSVH 354° · S 71% · V 65%Matches the picker in most design tools
CMYKC 0% · M 71% · Y 64% · K 35%Approximate ink mix; confirm with an ICC profile before printing
Luminance6.75:1 vs white · 3.11:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #A6303C 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.

TextWhite text6.75:1AA normal AA large AAA normal
Fails AABlack text3.11:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #A6303C in the contrast checker.

Colors That Go With #A6303C

Pairings derived from color-wheel relationships. The complementary color sits opposite #A6303C; 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 #A6303C

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 #A6303C.

How #A6303C 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#A6303C
Protanopia#54543B
Protanomaly#7D483B
Deuteranopia#6B6B35
Deuteranomaly#865938
Tritanopia#A63232
Tritanomaly#A63136
Achromatopsia#5B5B5B

Test a full palette in the color blindness simulator.

Using #A6303C in Code

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

CSS custom property--color-a6303c: #A6303C;
CSS backgroundbackground-color: #A6303C;
Tailwind configcolors: { 'color-a6303c': '#A6303C' }
SwiftUIColor(red: 0.651, green: 0.188, blue: 0.235)
Android XML<color name="color_a6303c">#A6303C</color>
SVG fillfill="#A6303C"

More Red Colors

#A6303C sits in the red family. These are its neighbours across that family's full range, each with its own breakdown.

#A6303C Frequently Asked Questions

What color is #A6303C?

#A6303C is a mid-tone red — rgb(166, 48, 60) in RGB and hsl(354, 55%, 42%) in HSL. It carries no registered color name of its own; the closest named color is Japanese Carmine (#9D2933), which is very hard to tell apart at a CIE76 distance of 3.4.

What is the RGB value of #A6303C?

#A6303C is rgb(166, 48, 60) — red 166, green 48, and blue 60 on the 0-255 scale.

What is the CMYK value of #A6303C?

#A6303C converts to approximately cmyk(0%, 71%, 64%, 35%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #A6303C be black or white?

White text is the more readable choice. #A6303C scores 6.75:1 against white and 3.11:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #A6303C as a CSS color keyword?

No. #A6303C 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 brown (#A52A2A) at a CIE76 distance of 9.71, which is clearly related but distinguishable side by side.

Open #A6303C in a Tool

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