#00A4DB Color

#00A4DB is rgb(0, 164, 219) in RGB, hsl(195, 100%, 43%) in HSL, and about cmyk(100%, 25%, 0%, 14%) in CMYK. It has no registered color name of its own — the closest is Twitter Blue (#26A7DE), below the threshold most people can see at ΔE 2.06. Black text is the more readable choice on this background.

#00A4DB

HEX#00A4DB

RGBrgb(0, 164, 219)

HSLhsl(195, 100%, 43%)

HSVhsv(195, 100%, 86%)

CMYKcmyk(100%, 25%, 0%, 14%)

OKLCHoklch(67.4% 0.137 231.4)

LABlab(62.43% -21.66 -38.62)

LCHlch(62.43% 44.28 240.71)

What #00A4DB 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 #00A4DB, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Twitter Blue#26A7DEΔE 2.06 Picton Blue#45B1E8ΔE 6.39 Vivid Cerulean#00AAEEΔE 7.43 Cerulean (Crayola)#1DACD6ΔE 8.02 Rich Electric Blue#0892D0ΔE 8.8 Carolina Blue#4B9CD3ΔE 9.46

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

#00A4DB Channel Values

How #00A4DB 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 0 · G 164 · B 219	8-bit channels as sent to the display
HSL	H 195° · S 100% · L 43%	Easiest model for building lighter and darker variants
HSV	H 195° · S 100% · V 86%	Matches the picker in most design tools
CMYK	C 100% · M 25% · Y 0% · K 14%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	2.86:1 vs white · 7.33:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #00A4DB 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 text2.86:1AA normal AA large AAA normal

TextBlack text7.33:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #00A4DB in the contrast checker.

Colors That Go With #00A4DB

Pairings derived from color-wheel relationships. The complementary color sits opposite #00A4DB; 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 #00A4DB

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 #00A4DB.

How #00A4DB 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#00A4DB

Protanopia#9797DB

Protanomaly#779CDB

Deuteranopia#8989DC

Deuteranomaly#6C94DC

Tritanopia#00ACAC

Tritanomaly#00A9C1

Achromatopsia#999999

Test a full palette in the color blindness simulator.

Using #00A4DB in Code

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

CSS custom property--color-00a4db: #00A4DB;

CSS backgroundbackground-color: #00A4DB;

Tailwind configcolors: { 'color-00a4db': '#00A4DB' }

SwiftUIColor(red: 0.000, green: 0.643, blue: 0.859)

Android XML<color name="color_00a4db">#00A4DB</color>

SVG fillfill="#00A4DB"

More Teal Colors

#00A4DB sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.

00a693 00a2ed 00a6f4 009e9e 00aaee 0099cc 00b2b3 009999 00b5b8 009699 00b8db 009698 00ffef 0f5753 1b6a67 26a7de 395e60 53eafd 75ffff 91e3e1 b2ffff d1f4ff ecf7f9 005f5a

#00A4DB Frequently Asked Questions

What color is #00A4DB?

#00A4DB is a mid-tone teal — rgb(0, 164, 219) in RGB and hsl(195, 100%, 43%) in HSL. It carries no registered color name of its own; the closest named color is Twitter Blue (#26A7DE), which is below the threshold most people can see at a CIE76 distance of 2.06.

What is the RGB value of #00A4DB?

#00A4DB is rgb(0, 164, 219) — red 0, green 164, and blue 219 on the 0-255 scale.

What is the CMYK value of #00A4DB?

#00A4DB converts to approximately cmyk(100%, 25%, 0%, 14%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #00A4DB be black or white?

Black text is the more readable choice. #00A4DB scores 2.86:1 against white and 7.33:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #00A4DB as a CSS color keyword?

No. #00A4DB 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 deepskyblue (#00BFFF) at a CIE76 distance of 10.89, which is visibly different.

Open #00A4DB 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.