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#B3143C Color

#B3143C is rgb(179, 20, 60) in RGB, hsl(345, 80%, 39%) in HSL, and about cmyk(0%, 89%, 66%, 30%) in CMYK. It has no registered color name of its own — the closest is Bright Maroon (#C32148), clearly related but distinguishable side by side at ΔE 5.1. White text is the more readable choice on this background.

#B3143C
HEX#B3143C
RGBrgb(179, 20, 60)
HSLhsl(345, 80%, 39%)
HSVhsv(345, 89%, 70%)
CMYKcmyk(0%, 89%, 66%, 30%)
OKLCHoklch(49.4% 0.188 15.7)
LABlab(39.25% 60.62 22.81)
LCHlch(39.25% 64.77 20.62)

What #B3143C 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 #B3143C, 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.

#B3143C Channel Values

How #B3143C 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 179 · G 20 · B 608-bit channels as sent to the display
HSLH 345° · S 80% · L 39%Easiest model for building lighter and darker variants
HSVH 345° · S 89% · V 70%Matches the picker in most design tools
CMYKC 0% · M 89% · Y 66% · K 30%Approximate ink mix; confirm with an ICC profile before printing
Luminance6.81:1 vs white · 3.08:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #B3143C 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 text6.81:1AA normal AA large AAA normal
Fails AABlack text3.08:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #B3143C in the contrast checker.

Colors That Go With #B3143C

Pairings derived from color-wheel relationships. The complementary color sits opposite #B3143C; 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 #B3143C

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 #B3143C.

How #B3143C 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#B3143C
Protanopia#51513B
Protanomaly#84413B
Deuteranopia#6D6D33
Deuteranomaly#8E5737
Tritanopia#B21C1C
Tritanomaly#B2192C
Achromatopsia#5B5B5B

Test a full palette in the color blindness simulator.

Using #B3143C in Code

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

CSS custom property--color-b3143c: #B3143C;
CSS backgroundbackground-color: #B3143C;
Tailwind configcolors: { 'color-b3143c': '#B3143C' }
SwiftUIColor(red: 0.702, green: 0.078, blue: 0.235)
Android XML<color name="color_b3143c">#B3143C</color>
SVG fillfill="#B3143C"

More Red Colors

#B3143C sits in the red family. These are its neighbours across that family's full range, each with its own breakdown.

#B3143C Frequently Asked Questions

What color is #B3143C?

#B3143C is a dark red — rgb(179, 20, 60) in RGB and hsl(345, 80%, 39%) in HSL. It carries no registered color name of its own; the closest named color is Bright Maroon (#C32148), which is clearly related but distinguishable side by side at a CIE76 distance of 5.1.

What is the RGB value of #B3143C?

#B3143C is rgb(179, 20, 60) — red 179, green 20, and blue 60 on the 0-255 scale.

What is the CMYK value of #B3143C?

#B3143C converts to approximately cmyk(0%, 89%, 66%, 30%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #B3143C be black or white?

White text is the more readable choice. #B3143C scores 6.81:1 against white and 3.08:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #B3143C as a CSS color keyword?

No. #B3143C 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 13.69, which is visibly different.

Open #B3143C in a Tool

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