00AAFF

#00AAFF closest to Cerulean

#00AAFF is a light, vivid blue; the closest named color is Cerulean. In the RGB color model it is made of 0.0% red, 66.7% green and 100.0% blue (rgb(0, 170, 255)). Its HSL value is 200° hue, 100% saturation and 50% lightness, and in CMYK it is 100% cyan, 33% magenta, 0% yellow and 0% black. #00AAFF is a cool color. Black text reads best on it, with a contrast ratio of 8.19:1.

#00AAFF color conversion

HEX
RGB
HSL
HSB / HSV
HWB
CMYK
XYZ
CIELAB
CIELCh
CIELUV
OKLCH

Variations of #00AAFF

Shades

Mixed with black: richer and darker.

Tints

Mixed with white: lighter and softer.

Tones

Mixed with gray: calmer and more muted.

Hues

The same lightness and chroma, rotated around the color wheel.

Temperatures

Cooler on the left, warmer on the right.

#00AAFF color harmonies

Complementary

The opposite hue — maximum contrast and energy.

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Split complementary

The two hues next to the complement — contrast with less tension.

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Analogous

Neighbouring hues — calm, cohesive and natural.

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Triadic

Three hues evenly spaced at 120° — vibrant yet balanced.

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Tetradic

Two complementary pairs — rich, best with one dominant color.

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Square

Four hues spaced at 90° — bold and playful.

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#00AAFF for color-blind viewers (and dogs)

How #00AAFF appears with each type of color vision deficiency (Machado 2009 model) — and to your dog. Try the dog vision simulator →

  • Dog vision 89% similarHow dogs see it · simulated as #6099FD
  • Protanopia 84% similar1.3% of men, 0.02% of women · simulated as #81ADFF
  • Protanomaly 89% similar1.3% of men, 0.02% of women · simulated as #6EAAFF
  • Deuteranopia 89% similar1.2% of men, 0.01% of women · simulated as #6099FD
  • Deuteranomaly 92% similar5% of men, 0.35% of women · simulated as #54A0FE
  • Tritanopia 78% similar0.001% of men, 0.03% of women · simulated as #00BFC9
  • Tritanomaly 91% similar0.0001% of men, 0.0001% of women · simulated as #00B3E8
  • Achromatopsia 66% similar0.003% of men, 0.003% of women · simulated as #A2A2A2
  • Achromatomaly 75% similar0.001% of men, 0.001% of women · simulated as #8EA4BF

#00AAFF contrast checker

AaThe quick brown fox jumps over the lazy dog.
2.56:1 Very poor#00AAFF text on white
AA normalFailAAA normalFail
AA largeFailAAA largeFail
AaThe quick brown fox jumps over the lazy dog.
8.19:1 Very good#00AAFF text on black
AA normalPassAAA normalPass
AA largePassAAA largePass

Need another background? Pick any pair in the palette generator and open the contrast panel.

Colors similar to #00AAFF

Palettes with #00AAFF

#00AAFF in CSS

/* Cerulean */
.color { color: #00AAFF; }
.background { background-color: #00AAFF; }
.border { border: 1px solid #00AAFF; }

/* Other notations */
color: rgb(0 170 255);
color: hsl(200 100% 50%);
color: oklch(0.707 0.168 242.0);

#00AAFF FAQ

What color is #00AAFF?

#00AAFF is a light, vivid blue. Its closest named color is Cerulean. It belongs to the blue color family and is a cool color.

What is the RGB value of #00AAFF?

#00AAFF is rgb(0, 170, 255) in RGB, hsl(200, 100%, 50%) in HSL and cmyk(100%, 33%, 0%, 0%) in CMYK.

What is the complementary color of #00AAFF?

The complementary color of #00AAFF is #FF5500, which sits opposite it on the color wheel.

Which text color works on #00AAFF?

Black text has the best contrast on #00AAFF: 8.19:1, which meets the WCAG AA requirement of 4.5:1 for normal text.

Is #00AAFF a warm or cool color?

#00AAFF is a cool color.