Skip to content

#66B8DB Color

#66B8DB is rgb(102, 184, 219) in RGB, hsl(198, 62%, 63%) in HSL, and about cmyk(53%, 16%, 0%, 14%) in CMYK. It has no registered color name of its own — the closest is Blizzard Blue (#50BFE6), clearly related but distinguishable side by side at ΔE 6.47. Black text is the more readable choice on this background.

#66B8DB
HEX#66B8DB
RGBrgb(102, 184, 219)
HSLhsl(198, 62%, 63%)
HSVhsv(198, 53%, 86%)
CMYKcmyk(53%, 16%, 0%, 14%)
OKLCHoklch(74.4% 0.095 227.8)
LABlab(70.60% -18.71 -25.84)
LCHlch(70.60% 31.90 234.09)

What #66B8DB 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 #66B8DB, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Blizzard Blue#50BFE6ΔE 6.47Maximum Blue#47ABCCΔE 6.61Aero#7CB9E8ΔE 9.06Sky Blue#87CEEBΔE 9.26Baby Blue#89CFF0ΔE 9.31Moonstone Blue#73A9C2ΔE 9.79

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

#66B8DB Channel Values

How #66B8DB 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 184 · B 2198-bit channels as sent to the display
HSLH 198° · S 62% · L 63%Easiest model for building lighter and darker variants
HSVH 198° · S 53% · V 86%Matches the picker in most design tools
CMYKC 53% · M 16% · Y 0% · K 14%Approximate ink mix; confirm with an ICC profile before printing
Luminance2.22:1 vs white · 9.44:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #66B8DB 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 text2.22:1AA normal AA large AAA normal
TextBlack text9.44:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #66B8DB in the contrast checker.

Colors That Go With #66B8DB

Pairings derived from color-wheel relationships. The complementary color sits opposite #66B8DB; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#66B8DB
Complementary
#DB8966
Analogous
#66DBC4
Analogous
#667EDB
Triadic
#DB66B8
Triadic
#B8DB66
Split comp.
#DB667E
Split comp.
#DBC466

Tints & Shades of #66B8DB

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

#7BC2E0
#8FCBE5
#A4D5EA
#B9DEEF
#CDE8F3
#E2F2F8

Shades

#45A9D3
#2D92BE
#25799D
#1C5C78
#144357
#0C2632

Want a full 50-950 ramp with semantic roles? Generate design tokens from #66B8DB.

How #66B8DB 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#66B8DB
Protanopia#ADADDB
Protanomaly#96B2DB
Deuteranopia#A3A3DC
Deuteranomaly#8EACDC
Tritanopia#5BBDBD
Tritanomaly#5FBBCA
Achromatopsia#AEAEAE

Test a full palette in the color blindness simulator.

Using #66B8DB in Code

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

CSS custom property--color-66b8db: #66B8DB;
CSS backgroundbackground-color: #66B8DB;
Tailwind configcolors: { 'color-66b8db': '#66B8DB' }
SwiftUIColor(red: 0.400, green: 0.722, blue: 0.859)
Android XML<color name="color_66b8db">#66B8DB</color>
SVG fillfill="#66B8DB"

More Teal Colors

#66B8DB sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.

002424f5ffff002a38f0ffff002d2eeefbfb003333ecfeff003542ecf7f9003838ebffff00646600999900ebeb0d161619292924fbff36747d50bfe673a9c28dd9ccaec6cfccffff

#66B8DB Frequently Asked Questions

What color is #66B8DB?

#66B8DB is a light teal — rgb(102, 184, 219) in RGB and hsl(198, 62%, 63%) in HSL. It carries no registered color name of its own; the closest named color is Blizzard Blue (#50BFE6), which is clearly related but distinguishable side by side at a CIE76 distance of 6.47.

What is the RGB value of #66B8DB?

#66B8DB is rgb(102, 184, 219) — red 102, green 184, and blue 219 on the 0-255 scale.

What is the CMYK value of #66B8DB?

#66B8DB converts to approximately cmyk(53%, 16%, 0%, 14%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #66B8DB be black or white?

Black text is the more readable choice. #66B8DB scores 2.22:1 against white and 9.44:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #66B8DB as a CSS color keyword?

No. #66B8DB 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 9.26, which is clearly related but distinguishable side by side.

Open #66B8DB in a Tool

Hex to RGBHex to HSLHex to CMYKHex to OKLCHHex to PantoneBuild a paletteMake a gradient

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