3F00A4

#3F00A4 closest to Space Battle Blue

#3F00A4 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 64.3% blue (rgb(63, 0, 164)). Its HSL value is 263° hue, 100% saturation and 32% lightness, and in CMYK it is 62% cyan, 100% magenta, 0% yellow and 36% black. #3F00A4 is a cool color. White text reads best on it, with a contrast ratio of 12.02:1.

#3F00A4 color conversion

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

Variations of #3F00A4

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.

#3F00A4 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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#3F00A4 for color-blind viewers (and dogs)

How #3F00A4 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 #0032A2
  • Protanopia 81% similar1.3% of men, 0.02% of women · simulated as #003AA8
  • Protanomaly 83% similar1.3% of men, 0.02% of women · simulated as #0031A6
  • Deuteranopia 83% similar1.2% of men, 0.01% of women · simulated as #0032A2
  • Deuteranomaly 84% similar5% of men, 0.35% of women · simulated as #0029A3
  • Tritanopia 66% similar0.001% of men, 0.03% of women · simulated as #00405E
  • Tritanomaly 88% similar0.0001% of men, 0.0001% of women · simulated as #33288A
  • Achromatopsia 57% similar0.003% of men, 0.003% of women · simulated as #363636
  • Achromatomaly 75% similar0.001% of men, 0.001% of women · simulated as #392F62

#3F00A4 contrast checker

AaThe quick brown fox jumps over the lazy dog.
12.02:1 Super#3F00A4 text on white
AA normalPassAAA normalPass
AA largePassAAA largePass
AaThe quick brown fox jumps over the lazy dog.
1.75:1 Very poor#3F00A4 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 #3F00A4

Palettes with #3F00A4

#3F00A4 in CSS

/* Space Battle Blue */
.color { color: #3F00A4; }
.background { background-color: #3F00A4; }
.border { border: 1px solid #3F00A4; }

/* Other notations */
color: rgb(63 0 164);
color: hsl(263 100% 32%);
color: oklch(0.362 0.211 285.5);

#3F00A4 FAQ

What color is #3F00A4?

#3F00A4 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 #3F00A4?

#3F00A4 is rgb(63, 0, 164) in RGB, hsl(263, 100%, 32%) in HSL and cmyk(62%, 100%, 0%, 36%) in CMYK.

What is the complementary color of #3F00A4?

The complementary color of #3F00A4 is #65A400, which sits opposite it on the color wheel.

Which text color works on #3F00A4?

White text has the best contrast on #3F00A4: 12.02:1, which meets the WCAG AA requirement of 4.5:1 for normal text.

Is #3F00A4 a warm or cool color?

#3F00A4 is a cool color.