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#1B99BB Color

#1B99BB is rgb(27, 153, 187) in RGB, hsl(193, 75%, 42%) in HSL, and about cmyk(86%, 18%, 0%, 27%) in CMYK. It has no registered color name of its own — the closest is Blue-green (#0D98BA), indistinguishable to the eye at ΔE 0.87. Black text is the more readable choice on this background.

#1B99BB
HEX#1B99BB
RGBrgb(27, 153, 187)
HSLhsl(193, 75%, 42%)
HSVhsv(193, 86%, 73%)
CMYKcmyk(86%, 18%, 0%, 27%)
OKLCHoklch(63.5% 0.112 222.1)
LABlab(58.12% -24.24 -27.45)
LCHlch(58.12% 36.62 228.55)

What #1B99BB 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 #1B99BB, 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 teal in the library.

#1B99BB Channel Values

How #1B99BB 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 27 · G 153 · B 1878-bit channels as sent to the display
HSLH 193° · S 75% · L 42%Easiest model for building lighter and darker variants
HSVH 193° · S 86% · V 73%Matches the picker in most design tools
CMYKC 86% · M 18% · Y 0% · K 27%Approximate ink mix; confirm with an ICC profile before printing
Luminance3.32:1 vs white · 6.32:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #1B99BB 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 text3.32:1AA normal AA large AAA normal
TextBlack text6.32:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #1B99BB in the contrast checker.

Colors That Go With #1B99BB

Pairings derived from color-wheel relationships. The complementary color sits opposite #1B99BB; 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 #1B99BB

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 #1B99BB.

How #1B99BB 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#1B99BB
Protanopia#8D8DBB
Protanomaly#7192BB
Deuteranopia#8080BC
Deuteranomaly#678BBC
Tritanopia#009E9E
Tritanomaly#009CAA
Achromatopsia#8D8D8D

Test a full palette in the color blindness simulator.

Using #1B99BB in Code

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

CSS custom property--color-1b99bb: #1B99BB;
CSS backgroundbackground-color: #1B99BB;
Tailwind configcolors: { 'color-1b99bb': '#1B99BB' }
SwiftUIColor(red: 0.106, green: 0.600, blue: 0.733)
Android XML<color name="color_1b99bb">#1B99BB</color>
SVG fillfill="#1B99BB"

More Teal Colors

#1B99BB sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.

#1B99BB Frequently Asked Questions

What color is #1B99BB?

#1B99BB is a mid-tone teal — rgb(27, 153, 187) in RGB and hsl(193, 75%, 42%) in HSL. It carries no registered color name of its own; the closest named color is Blue-green (#0D98BA), which is indistinguishable to the eye at a CIE76 distance of 0.87.

What is the RGB value of #1B99BB?

#1B99BB is rgb(27, 153, 187) — red 27, green 153, and blue 187 on the 0-255 scale.

What is the CMYK value of #1B99BB?

#1B99BB converts to approximately cmyk(86%, 18%, 0%, 27%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #1B99BB be black or white?

Black text is the more readable choice. #1B99BB scores 3.32:1 against white and 6.32:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #1B99BB as a CSS color keyword?

No. #1B99BB 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 steelblue (#4682B4) at a CIE76 distance of 17.86, which is visibly different.

Open #1B99BB in a Tool

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