#00aacb

Color #00aacb

A vivid, highly saturated dark cyan.

Closest named color Sky Blue #87ceeb · ΔE 18.88 Nearest Tailwind class cyan-500 #00b8db · ΔE 4

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#00aacb

RGB

rgb(0, 170, 203)

HSL

hsl(189.8, 100%, 39.8%)

HSV / HSB

hsv(189.8, 100%, 79.6%)

CMYK

cmyk(100%, 16.3%, 0%, 20.4%)

LAB

lab(64.21, -24.73, -27.07)

LCH

lch(64.21, 36.67, 227.59)

OKLCH

oklch(68.1%, 0.1226, 218.24)

HWB

hwb(189.8, 0%, 20.4%)

Harmony colors

Complementary

#cb2100

Analogous

#00cb87

#00aacb

#0044cb

Triadic

#00aacb

#cb00aa

#aacb00

Split-complementary

#00aacb

#cb0044

#cb8700

Tetradic

#00aacb

#2100cb

#cb2100

#aacb00

Square

#00aacb

#8700cb

#cb2100

#44cb00

Shades

Color #00aacb mixed toward black.

#008ea9

#007187

#005565

#003944

#001c22

Tints

Color #00aacb mixed toward white.

#00d5fe

#32deff

#65e6ff

#99eeff

#ccf7ff

Tones

Color #00aacb mixed toward gray.

#119eba

#2293a9

#338898

#447c87

#557176

Accessibility

Aa White text on this color

2.76:1

Aa Black text on this color

7.61:1

Black text reads better on this background (7.61:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#7475c4 · ΔE 28.2

Deuteranopia

#6c61c2 · ΔE 32.9

Tritanopia

#27bebc · ΔE 13.4

Achromatopsia

#9c9c9c · ΔE 21.8

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #00aacb;

Tailwind (arbitrary value)

bg-[#00aacb]

Related colors

Powder Blue #b0e0e6

Light Blue #add8e6

Deep Sky Blue #00bfff

Sky Blue #87ceeb

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Frequently asked questions

#00aacb (#00aacb) is rgb(0, 170, 203) in RGB.

No, #00aacb is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #00aacb, or check how it holds up for accessibility.

Generate a palette → Check contrast