#51BACD Color

#51BACD is rgb(81, 186, 205) in RGB, hsl(189, 55%, 56%) in HSL, and about cmyk(60%, 9%, 0%, 20%) in CMYK. It has no registered color name of its own — the closest is Moonstone (#3AA8C1), clearly related but distinguishable side by side at ΔE 7.32. Black text is the more readable choice on this background.

#51BACD

HEX#51BACD

RGBrgb(81, 186, 205)

HSLhsl(189, 55%, 56%)

HSVhsv(189, 60%, 80%)

CMYKcmyk(60%, 9%, 0%, 20%)

OKLCHoklch(73.5% 0.099 211.3)

LABlab(69.99% -27.25 -19.25)

LCHlch(69.99% 33.37 215.24)

What #51BACD 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 #51BACD, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Moonstone#3AA8C1ΔE 7.32 Maximum Blue#47ABCCΔE 9.61 Pacific Blue#1CA9C9ΔE 10.06 Sky Blue (Crayola)#76D7EAΔE 10.68 Middle Blue#7ED4E6ΔE 10.76 Blizzard Blue#50BFE6ΔE 11

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

#51BACD Channel Values

How #51BACD breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

Model	Channels	Notes
RGB	R 81 · G 186 · B 205	8-bit channels as sent to the display
HSL	H 189° · S 55% · L 56%	Easiest model for building lighter and darker variants
HSV	H 189° · S 60% · V 80%	Matches the picker in most design tools
CMYK	C 60% · M 9% · Y 0% · K 20%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	2.27:1 vs white · 9.25:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #51BACD 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 text2.27:1AA normal AA large AAA normal

TextBlack text9.25:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #51BACD in the contrast checker.

Colors That Go With #51BACD

Pairings derived from color-wheel relationships. The complementary color sits opposite #51BACD; 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 #51BACD

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 #51BACD.

How #51BACD 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#51BACD

Protanopia#AEAECD

Protanomaly#92B3CD

Deuteranopia#A1A1CF

Deuteranomaly#88ACCE

Tritanopia#49BDBD

Tritanomaly#4CBCC3

Achromatopsia#ACACAC

Test a full palette in the color blindness simulator.

Using #51BACD in Code

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

CSS custom property--color-51bacd: #51BACD;

CSS backgroundbackground-color: #51BACD;

Tailwind configcolors: { 'color-51bacd': '#51BACD' }

SwiftUIColor(red: 0.318, green: 0.729, blue: 0.804)

Android XML<color name="color_51bacd">#51BACD</color>

SVG fillfill="#51BACD"

More Teal Colors

#51BACD sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.

002424 f5ffff 002a38 f0ffff 002d2e eefbfb 003333 ecfeff 003542 ecf7f9 003838 ebffff 006466 009999 00ebeb 0d1616 192929 24fbff 36747d 50bfe6 73a9c2 8dd9cc aec6cf ccffff

#51BACD Frequently Asked Questions

What color is #51BACD?

#51BACD is a mid-tone teal — rgb(81, 186, 205) in RGB and hsl(189, 55%, 56%) in HSL. It carries no registered color name of its own; the closest named color is Moonstone (#3AA8C1), which is clearly related but distinguishable side by side at a CIE76 distance of 7.32.

What is the RGB value of #51BACD?

#51BACD is rgb(81, 186, 205) — red 81, green 186, and blue 205 on the 0-255 scale.

What is the CMYK value of #51BACD?

#51BACD converts to approximately cmyk(60%, 9%, 0%, 20%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #51BACD be black or white?

Black text is the more readable choice. #51BACD scores 2.27:1 against white and 9.25:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #51BACD as a CSS color keyword?

No. #51BACD 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 skyblue (#87CEEB) at a CIE76 distance of 13.39, which is visibly different.

Open #51BACD in a Tool

Hex to RGB Hex to HSL Hex to CMYK Hex to OKLCH Hex to Pantone Build a palette Make a gradient

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