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#51565D Color

#51565D is rgb(81, 86, 93) in RGB, hsl(215, 7%, 34%) in HSL, and about cmyk(13%, 8%, 0%, 64%) in CMYK. It has no registered color name of its own — the closest is Iron Gray (#555D61), very hard to tell apart at ΔE 3.38. White text is the more readable choice on this background.

#51565D
HEX#51565D
RGBrgb(81, 86, 93)
HSLhsl(215, 7%, 34%)
HSVhsv(215, 13%, 36%)
CMYKcmyk(13%, 8%, 0%, 64%)
OKLCHoklch(45.1% 0.013 256.7)
LABlab(36.30% -0.85 -4.80)
LCHlch(36.30% 4.87 259.92)

What #51565D 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 #51565D, 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 gray in the library.

#51565D Channel Values

How #51565D 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 81 · G 86 · B 938-bit channels as sent to the display
HSLH 215° · S 7% · L 34%Easiest model for building lighter and darker variants
HSVH 215° · S 13% · V 36%Matches the picker in most design tools
CMYKC 13% · M 8% · Y 0% · K 64%Approximate ink mix; confirm with an ICC profile before printing
Luminance7.4:1 vs white · 2.84:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #51565D 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 text7.4:1AA normal AA large AAA normal
Fails AABlack text2.84:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #51565D in the contrast checker.

Colors That Go With #51565D

Pairings derived from color-wheel relationships. The complementary color sits opposite #51565D; 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 #51565D

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 #51565D.

How #51565D 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#51565D
Protanopia#55555D
Protanomaly#54565D
Deuteranopia#54545D
Deuteranomaly#53555D
Tritanopia#505757
Tritanomaly#505759
Achromatopsia#565656

Test a full palette in the color blindness simulator.

Using #51565D in Code

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

CSS custom property--color-51565d: #51565D;
CSS backgroundbackground-color: #51565D;
Tailwind configcolors: { 'color-51565d': '#51565D' }
SwiftUIColor(red: 0.318, green: 0.337, blue: 0.365)
Android XML<color name="color_51565d">#51565D</color>
SVG fillfill="#51565D"

More Gray Colors

#51565D sits in the gray family. These are its neighbours across that family's full range, each with its own breakdown.

#51565D Frequently Asked Questions

What color is #51565D?

#51565D is a dark gray — rgb(81, 86, 93) in RGB and hsl(215, 7%, 34%) in HSL. It carries no registered color name of its own; the closest named color is Iron Gray (#555D61), which is very hard to tell apart at a CIE76 distance of 3.38.

What is the RGB value of #51565D?

#51565D is rgb(81, 86, 93) — red 81, green 86, and blue 93 on the 0-255 scale.

What is the CMYK value of #51565D?

#51565D converts to approximately cmyk(13%, 8%, 0%, 64%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #51565D be black or white?

White text is the more readable choice. #51565D scores 7.4:1 against white and 2.84:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #51565D as a CSS color keyword?

No. #51565D 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 dimgray (#696969) at a CIE76 distance of 9.46, which is clearly related but distinguishable side by side.

Open #51565D in a Tool

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