Skip to content

#660512 Color

#660512 is rgb(102, 5, 18) in RGB, hsl(352, 91%, 21%) in HSL, and about cmyk(0%, 95%, 82%, 60%) in CMYK. It has no registered color name of its own — the closest is Persian Plum (#701C1C), clearly related but distinguishable side by side at ΔE 5.82. White text is the more readable choice on this background.

#660512
HEX#660512
RGBrgb(102, 5, 18)
HSLhsl(352, 91%, 21%)
HSVhsv(352, 95%, 40%)
CMYKcmyk(0%, 95%, 82%, 60%)
OKLCHoklch(32.6% 0.126 22.8)
LABlab(20.45% 40.36 23.33)
LCHlch(20.45% 46.62 30.03)

What #660512 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 #660512, 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.

#660512 Channel Values

How #660512 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 102 · G 5 · B 188-bit channels as sent to the display
HSLH 352° · S 91% · L 21%Easiest model for building lighter and darker variants
HSVH 352° · S 95% · V 40%Matches the picker in most design tools
CMYKC 0% · M 95% · Y 82% · K 60%Approximate ink mix; confirm with an ICC profile before printing
Luminance13.16:1 vs white · 1.6:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #660512 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 text13.16:1AA normal AA large AAA normal
Fails AABlack text1.6:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #660512 in the contrast checker.

Colors That Go With #660512

Pairings derived from color-wheel relationships. The complementary color sits opposite #660512; 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 #660512

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 #660512.

How #660512 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#660512
Protanopia#2B2B11
Protanomaly#492111
Deuteranopia#3C3C08
Deuteranomaly#502E0D
Tritanopia#660707
Tritanomaly#66060C
Achromatopsia#303030

Test a full palette in the color blindness simulator.

Using #660512 in Code

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

CSS custom property--color-660512: #660512;
CSS backgroundbackground-color: #660512;
Tailwind configcolors: { 'color-660512': '#660512' }
SwiftUIColor(red: 0.400, green: 0.020, blue: 0.071)
Android XML<color name="color_660512">#660512</color>
SVG fillfill="#660512"

More Red Colors

#660512 sits in the red family. These are its neighbours across that family's full range, each with its own breakdown.

#660512 Frequently Asked Questions

What color is #660512?

#660512 is a dark red — rgb(102, 5, 18) in RGB and hsl(352, 91%, 21%) in HSL. It carries no registered color name of its own; the closest named color is Persian Plum (#701C1C), which is clearly related but distinguishable side by side at a CIE76 distance of 5.82.

What is the RGB value of #660512?

#660512 is rgb(102, 5, 18) — red 102, green 5, and blue 18 on the 0-255 scale.

What is the CMYK value of #660512?

#660512 converts to approximately cmyk(0%, 95%, 82%, 60%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #660512 be black or white?

White text is the more readable choice. #660512 scores 13.16:1 against white and 1.6:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #660512 as a CSS color keyword?

No. #660512 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 maroon (#800000) at a CIE76 distance of 18.92, which is visibly different.

Open #660512 in a Tool

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