#6699A3 Color

#6699A3 is rgb(102, 153, 163) in RGB, hsl(190, 25%, 52%) in HSL, and about cmyk(37%, 6%, 0%, 36%) in CMYK. It has no registered color name of its own — the closest is Cadet Blue (#5F9EA0), clearly related but distinguishable side by side at ΔE 6.04. Black text is the more readable choice on this background.

#6699A3

HEX#6699A3

RGBrgb(102, 153, 163)

HSLhsl(190, 25%, 52%)

HSVhsv(190, 37%, 64%)

CMYKcmyk(37%, 6%, 0%, 36%)

OKLCHoklch(65.1% 0.056 211.2)

LABlab(59.90% -15.72 -10.98)

LCHlch(59.90% 19.17 214.93)

What #6699A3 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 #6699A3, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Cadet Blue#5F9EA0ΔE 6.04 Steel Teal#5F8A8FΔE 6.49 Moonstone Blue#73A9C2ΔE 10.26 Blue Lagoon#4C9C9CΔE 10.29 Pewter Blue#8BA8B7ΔE 10.67 Air Force Blue#5D8AA8ΔE 12.7

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

#6699A3 Channel Values

How #6699A3 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 102 · G 153 · B 163	8-bit channels as sent to the display
HSL	H 190° · S 25% · L 52%	Easiest model for building lighter and darker variants
HSV	H 190° · S 37% · V 64%	Matches the picker in most design tools
CMYK	C 37% · M 6% · Y 0% · K 36%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	3.16:1 vs white · 6.65:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #6699A3 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 text3.16:1AA normal AA large AAA normal

TextBlack text6.65:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #6699A3 in the contrast checker.

Colors That Go With #6699A3

Pairings derived from color-wheel relationships. The complementary color sits opposite #6699A3; 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 #6699A3

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 #6699A3.

How #6699A3 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#6699A3

Protanopia#9292A3

Protanomaly#8395A3

Deuteranopia#8B8BA4

Deuteranomaly#7E91A4

Tritanopia#649A9A

Tritanomaly#659A9E

Achromatopsia#919191

Test a full palette in the color blindness simulator.

Using #6699A3 in Code

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

CSS custom property--color-6699a3: #6699A3;

CSS backgroundbackground-color: #6699A3;

Tailwind configcolors: { 'color-6699a3': '#6699A3' }

SwiftUIColor(red: 0.400, green: 0.600, blue: 0.639)

Android XML<color name="color_6699a3">#6699A3</color>

SVG fillfill="#6699A3"

More Teal Colors

#6699A3 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

#6699A3 Frequently Asked Questions

What color is #6699A3?

#6699A3 is a mid-tone teal — rgb(102, 153, 163) in RGB and hsl(190, 25%, 52%) in HSL. It carries no registered color name of its own; the closest named color is Cadet Blue (#5F9EA0), which is clearly related but distinguishable side by side at a CIE76 distance of 6.04.

What is the RGB value of #6699A3?

#6699A3 is rgb(102, 153, 163) — red 102, green 153, and blue 163 on the 0-255 scale.

What is the CMYK value of #6699A3?

#6699A3 converts to approximately cmyk(37%, 6%, 0%, 36%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #6699A3 be black or white?

Black text is the more readable choice. #6699A3 scores 3.16:1 against white and 6.65:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #6699A3 as a CSS color keyword?

No. #6699A3 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 cadetblue (#5F9EA0) at a CIE76 distance of 6.04, which is clearly related but distinguishable side by side.

Open #6699A3 in a Tool

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