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4FA5FF

#4FA5FF closest to Cerulean

#4FA5FF is a light, vivid blue; the closest named color is Cerulean. In the RGB color model it is made of 31.0% red, 64.7% green and 100.0% blue (rgb(79, 165, 255)). Its HSL value is 211° hue, 100% saturation and 65% lightness, and in CMYK it is 69% cyan, 35% magenta, 0% yellow and 0% black. #4FA5FF is a cool color. Black text reads best on it, with a contrast ratio of 8.16:1.

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#4FA5FF color conversion

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OKLCH

Variations of #4FA5FF

Shades

Mixed with black: richer and darker.

4FA5FF448FDE3879BE2E659E235180193D63102B48071A2E020A16000103

Tints

Mixed with white: lighter and softer.

4FA5FF63AFFF76B8FF88C1FF99CAFFAAD3FFBBDCFFCCE5FFDDEEFFEEF6FF

Tones

Mixed with gray: calmer and more muted.

4FA5FF57A2F25D9FE5639BD96898CC6D94BF7290B3768CA67988997D848D

Hues

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

00B7C100B5CE00B3DB00B0EB28ABF94FA5FF6C9FFF8199FF9393FFA48DFAB487F2

Temperatures

Cooler on the left, warmer on the right.

459CFF479EFF49A0FF4BA1FF4DA3FF4FA5FF5BA5F866A6F170A6EA79A6E282A6DB

#4FA5FF color harmonies

Complementary

The opposite hue — maximum contrast and energy.

4FA5FFFFA94F
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Split complementary

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

4FA5FFFF514FFDFF4F
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Analogous

Neighbouring hues — calm, cohesive and natural.

4FA5FF4FFDFF514FFF
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Triadic

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

4FA5FFFF4FA5A5FF4F
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Tetradic

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

4FA5FFA94FFFFFA94FA5FF4F
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Square

Four hues spaced at 90° — bold and playful.

4FA5FFFF4FFDFFA94F4FFF51
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#4FA5FF for color-blind viewers (and dogs)

How #4FA5FF appears with each type of color vision deficiency (Machado 2009 model) — and to your dog. Try the dog vision simulator →

  • Dog vision 94% similarHow dogs see it · simulated as #639AFD
  • Protanopia 91% similar1.3% of men, 0.02% of women · simulated as #7CAAFF
  • Protanomaly 93% similar1.3% of men, 0.02% of women · simulated as #71A8FF
  • Deuteranopia 94% similar1.2% of men, 0.01% of women · simulated as #639AFD
  • Deuteranomaly 96% similar5% of men, 0.35% of women · simulated as #609FFE
  • Tritanopia 76% similar0.001% of men, 0.03% of women · simulated as #00BAC6
  • Tritanomaly 89% similar0.0001% of men, 0.0001% of women · simulated as #1AAEE7
  • Achromatopsia 69% similar0.003% of men, 0.003% of women · simulated as #A1A1A1
  • Achromatomaly 78% similar0.001% of men, 0.001% of women · simulated as #92A2BF

#4FA5FF contrast checker

AaThe quick brown fox jumps over the lazy dog.
2.57:1 Very poor#4FA5FF text on white
AA normalFailAAA normalFail
AA largeFailAAA largeFail
AaThe quick brown fox jumps over the lazy dog.
8.16:1 Very good#4FA5FF 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 #4FA5FF

Palettes with #4FA5FF

#4FA5FF in CSS

/* Cerulean */
.color { color: #4FA5FF; }
.background { background-color: #4FA5FF; }
.border { border: 1px solid #4FA5FF; }

/* Other notations */
color: rgb(79 165 255);
color: hsl(211 100% 65%);
color: oklch(0.710 0.156 251.8);

#4FA5FF FAQ

What color is #4FA5FF?

#4FA5FF 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 #4FA5FF?

#4FA5FF is rgb(79, 165, 255) in RGB, hsl(211, 100%, 65%) in HSL and cmyk(69%, 35%, 0%, 0%) in CMYK.

What is the complementary color of #4FA5FF?

The complementary color of #4FA5FF is #FFA94F, which sits opposite it on the color wheel.

Which text color works on #4FA5FF?

Black text has the best contrast on #4FA5FF: 8.16:1, which meets the WCAG AA requirement of 4.5:1 for normal text.

Is #4FA5FF a warm or cool color?

#4FA5FF is a cool color.