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309CD0

#309CD0 Blue Burst

#309CD0 is a medium, moderately saturated blue named Blue Burst. In the RGB color model it is made of 18.8% red, 61.2% green and 81.6% blue (rgb(48, 156, 208)). Its HSL value is 200° hue, 63% saturation and 50% lightness, and in CMYK it is 77% cyan, 25% magenta, 0% yellow and 18% black. #309CD0 is a cool color. Black text reads best on it, with a contrast ratio of 6.79:1.

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#309CD0 color conversion

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OKLCH

Variations of #309CD0

Shades

Mixed with black: richer and darker.

309CD02887B521739A1A5F80134C670C394F062839031823010910000102

Tints

Mixed with white: lighter and softer.

309CD04DA6D564B0DA79BADF8DC4E4A0CEE9B4D8EDC6E2F2D9EBF6ECF5FB

Tones

Mixed with gray: calmer and more muted.

309CD03F9AC84A97C05494B85C92B0638FA86A8CA07089987686907B8388

Hues

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

00A79900A6A500A4B100A2BC0CA0C8309CD04798D65A93DA6B8FDB7B8ADB8985D8

Temperatures

Cooler on the left, warmer on the right.

2A95DA2B97D82C98D62D99D42F9BD2309CD0429DCB519DC65D9DC0689DBB729EB6

#309CD0 color harmonies

Complementary

The opposite hue — maximum contrast and energy.

309CD0D06430
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Split complementary

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

309CD0D0304CD0B430
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Analogous

Neighbouring hues — calm, cohesive and natural.

309CD030D0B4304CD0
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Triadic

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

309CD0D0309C9CD030
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Tetradic

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

309CD06430D0D064309CD030
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Square

Four hues spaced at 90° — bold and playful.

309CD0B430D0D064304CD030
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#309CD0 for color-blind viewers (and dogs)

How #309CD0 appears with each type of color vision deficiency (Machado 2009 model) — and to your dog. Try the dog vision simulator →

  • Dog vision 88% similarHow dogs see it · simulated as #6D8CCF
  • Protanopia 85% similar1.3% of men, 0.02% of women · simulated as #839BD2
  • Protanomaly 89% similar1.3% of men, 0.02% of women · simulated as #729AD2
  • Deuteranopia 88% similar1.2% of men, 0.01% of women · simulated as #6D8CCF
  • Deuteranomaly 91% similar5% of men, 0.35% of women · simulated as #6192D0
  • Tritanopia 85% similar0.001% of men, 0.03% of women · simulated as #00AAAE
  • Tritanomaly 93% similar0.0001% of men, 0.0001% of women · simulated as #00A2C1
  • Achromatopsia 76% similar0.003% of men, 0.003% of women · simulated as #929292
  • Achromatomaly 82% similar0.001% of men, 0.001% of women · simulated as #8295A5

#309CD0 contrast checker

AaThe quick brown fox jumps over the lazy dog.
3.09:1 Poor#309CD0 text on white
AA normalFailAAA normalFail
AA largePassAAA largeFail
AaThe quick brown fox jumps over the lazy dog.
6.79:1 Good#309CD0 text on black
AA normalPassAAA normalFail
AA largePassAAA largePass

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

Colors similar to #309CD0

Palettes with #309CD0

#309CD0 in CSS

/* Blue Burst */
.color { color: #309CD0; }
.background { background-color: #309CD0; }
.border { border: 1px solid #309CD0; }

/* Other notations */
color: rgb(48 156 208);
color: hsl(200 63% 50%);
color: oklch(0.656 0.122 234.5);

#309CD0 FAQ

What color is #309CD0?

#309CD0 is a medium, moderately saturated blue. Its closest named color is Blue Burst. It belongs to the blue color family and is a cool color.

What is the RGB value of #309CD0?

#309CD0 is rgb(48, 156, 208) in RGB, hsl(200, 63%, 50%) in HSL and cmyk(77%, 25%, 0%, 18%) in CMYK.

What is the complementary color of #309CD0?

The complementary color of #309CD0 is #D06430, which sits opposite it on the color wheel.

Which text color works on #309CD0?

Black text has the best contrast on #309CD0: 6.79:1, which meets the WCAG AA requirement of 4.5:1 for normal text.

Is #309CD0 a warm or cool color?

#309CD0 is a cool color.