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3F00A5

#3F00A5 closest to Space Battle Blue

#3F00A5 is a dark, vivid purple; the closest named color is Space Battle Blue. In the RGB color model it is made of 24.7% red, 0.0% green and 64.7% blue (rgb(63, 0, 165)). Its HSL value is 263° hue, 100% saturation and 32% lightness, and in CMYK it is 62% cyan, 100% magenta, 0% yellow and 35% black. #3F00A5 is a cool color. White text reads best on it, with a contrast ratio of 11.97:1.

Make a palette with #3F00A5

#3F00A5 color conversion

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Variations of #3F00A5

Shades

Mixed with black: richer and darker.

3F00A535008F2C00792300651B005112003D0A002B04001A01000A000001

Tints

Mixed with white: lighter and softer.

3F00A54C2FB05B4ABB6C62C57F79CE928FD8A7A5E0BCBBE9D2D2F1E8E8F8

Tones

Mixed with gray: calmer and more muted.

3F00A54320A34731A04C3E9D52499A595497605D9368668F6F6F8B787886

Hues

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

00446100416B003C7C0921AB2C13A93F00A54C009857008A5F007C66006D6C005E

Temperatures

Cooler on the left, warmer on the right.

4027B74021B4401BB04014AC3F0BA93F00A54417A34A24A1502D9E56359C5D3C99

#3F00A5 color harmonies

Complementary

The opposite hue — maximum contrast and energy.

3F00A566A500
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Split complementary

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

3F00A5A5920013A500
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Analogous

Neighbouring hues — calm, cohesive and natural.

3F00A50013A59200A5
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Triadic

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

3F00A5A53F0000A53F
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Tetradic

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

3F00A5A5006666A50000A53F
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Square

Four hues spaced at 90° — bold and playful.

3F00A5A5001366A50000A592
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#3F00A5 for color-blind viewers (and dogs)

How #3F00A5 appears with each type of color vision deficiency (Machado 2009 model) — and to your dog. Try the dog vision simulator →

  • Dog vision 83% similarHow dogs see it · simulated as #0032A3
  • Protanopia 81% similar1.3% of men, 0.02% of women · simulated as #003BA9
  • Protanomaly 84% similar1.3% of men, 0.02% of women · simulated as #0031A7
  • Deuteranopia 83% similar1.2% of men, 0.01% of women · simulated as #0032A3
  • Deuteranomaly 84% similar5% of men, 0.35% of women · simulated as #002AA4
  • Tritanopia 66% similar0.001% of men, 0.03% of women · simulated as #00405F
  • Tritanomaly 88% similar0.0001% of men, 0.0001% of women · simulated as #33288B
  • Achromatopsia 57% similar0.003% of men, 0.003% of women · simulated as #373737
  • Achromatomaly 75% similar0.001% of men, 0.001% of women · simulated as #392F62

#3F00A5 contrast checker

AaThe quick brown fox jumps over the lazy dog.
11.97:1 Very good#3F00A5 text on white
AA normalPassAAA normalPass
AA largePassAAA largePass
AaThe quick brown fox jumps over the lazy dog.
1.75:1 Very poor#3F00A5 text on black
AA normalFailAAA normalFail
AA largeFailAAA largeFail

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

Colors similar to #3F00A5

Palettes with #3F00A5

#3F00A5 in CSS

/* Space Battle Blue */
.color { color: #3F00A5; }
.background { background-color: #3F00A5; }
.border { border: 1px solid #3F00A5; }

/* Other notations */
color: rgb(63 0 165);
color: hsl(263 100% 32%);
color: oklch(0.364 0.212 285.3);

#3F00A5 FAQ

What color is #3F00A5?

#3F00A5 is a dark, vivid purple. Its closest named color is Space Battle Blue. It belongs to the purple color family and is a cool color.

What is the RGB value of #3F00A5?

#3F00A5 is rgb(63, 0, 165) in RGB, hsl(263, 100%, 32%) in HSL and cmyk(62%, 100%, 0%, 35%) in CMYK.

What is the complementary color of #3F00A5?

The complementary color of #3F00A5 is #66A500, which sits opposite it on the color wheel.

Which text color works on #3F00A5?

White text has the best contrast on #3F00A5: 11.97:1, which meets the WCAG AA requirement of 4.5:1 for normal text.

Is #3F00A5 a warm or cool color?

#3F00A5 is a cool color.