3F4E63

#3F4E63 closest to Into the Stratosphere

#3F4E63 is a dark, muted blue; the closest named color is Into the Stratosphere. In the RGB color model it is made of 24.7% red, 30.6% green and 38.8% blue (rgb(63, 78, 99)). Its HSL value is 215° hue, 22% saturation and 32% lightness, and in CMYK it is 36% cyan, 21% magenta, 0% yellow and 61% black. #3F4E63 is a cool color. White text reads best on it, with a contrast ratio of 8.46:1.

#3F4E63 color conversion

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RGB
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HSB / HSV
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CMYK
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OKLCH

Variations of #3F4E63

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.

#3F4E63 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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#3F4E63 for color-blind viewers (and dogs)

How #3F4E63 appears with each type of color vision deficiency (Machado 2009 model) — and to your dog. Try the dog vision simulator →

  • Dog vision 98% similarHow dogs see it · simulated as #434B63
  • Protanopia 97% similar1.3% of men, 0.02% of women · simulated as #474F64
  • Protanomaly 98% similar1.3% of men, 0.02% of women · simulated as #444E64
  • Deuteranopia 98% similar1.2% of men, 0.01% of women · simulated as #434B63
  • Deuteranomaly 99% similar5% of men, 0.35% of women · simulated as #424C63
  • Tritanopia 93% similar0.001% of men, 0.03% of women · simulated as #345255
  • Tritanomaly 97% similar0.0001% of men, 0.0001% of women · simulated as #3B505D
  • Achromatopsia 92% similar0.003% of men, 0.003% of women · simulated as #4D4D4D
  • Achromatomaly 94% similar0.001% of men, 0.001% of women · simulated as #4A4D53

#3F4E63 contrast checker

AaThe quick brown fox jumps over the lazy dog.
8.46:1 Very good#3F4E63 text on white
AA normalPassAAA normalPass
AA largePassAAA largePass
AaThe quick brown fox jumps over the lazy dog.
2.48:1 Very poor#3F4E63 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 #3F4E63

Palettes with #3F4E63

#3F4E63 in CSS

/* Into the Stratosphere */
.color { color: #3F4E63; }
.background { background-color: #3F4E63; }
.border { border: 1px solid #3F4E63; }

/* Other notations */
color: rgb(63 78 99);
color: hsl(215 22% 32%);
color: oklch(0.420 0.040 256.8);

#3F4E63 FAQ

What color is #3F4E63?

#3F4E63 is a dark, muted blue. Its closest named color is Into the Stratosphere. It belongs to the blue color family and is a cool color.

What is the RGB value of #3F4E63?

#3F4E63 is rgb(63, 78, 99) in RGB, hsl(215, 22%, 32%) in HSL and cmyk(36%, 21%, 0%, 61%) in CMYK.

What is the complementary color of #3F4E63?

The complementary color of #3F4E63 is #63543F, which sits opposite it on the color wheel.

Which text color works on #3F4E63?

White text has the best contrast on #3F4E63: 8.46:1, which meets the WCAG AA requirement of 4.5:1 for normal text.

Is #3F4E63 a warm or cool color?

#3F4E63 is a cool color.