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001155

#001155 Interstellar Blue

#001155 is a very dark, moderately saturated blue named Interstellar Blue. In the RGB color model it is made of 0.0% red, 6.7% green and 33.3% blue (rgb(0, 17, 85)). Its HSL value is 228° hue, 100% saturation and 17% lightness, and in CMYK it is 100% cyan, 80% magenta, 0% yellow and 67% black. #001155 is a cool color. White text reads best on it, with a contrast ratio of 17.34:1.

Make a palette with #001155

#001155 color conversion

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HSB / HSV
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CMYK
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CIELCh
CIELUV
OKLCH

Variations of #001155

Shades

Mixed with black: richer and darker.

001155000D4900093D00063100042600021C000111000008000002000000

Tints

Mixed with white: lighter and softer.

001155102A662741773F5788586E997185AA8C9CBBA8B4CCC4CDDDE1E6EE

Tones

Mixed with gray: calmer and more muted.

001155071F5A132B5F2036642D41693A4B6D485672556076636B7971757D

Hues

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

00212800212C002030001F35001C3D001155100C551B065323024F2A00492F0041

Temperatures

Cooler on the left, warmer on the right.

01257600216F001D6900196200155B001155071A561221571C2758262E59303359

#001155 color harmonies

Complementary

The opposite hue — maximum contrast and energy.

001155554400
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Split complementary

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

0011555519003B5500
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Analogous

Neighbouring hues — calm, cohesive and natural.

001155003C55190055
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Triadic

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

001155550011115500
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Tetradic

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

001155440055554400115500
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Square

Four hues spaced at 90° — bold and playful.

00115555003C554400005519
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#001155 for color-blind viewers (and dogs)

How #001155 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 #001654
  • Protanopia 93% similar1.3% of men, 0.02% of women · simulated as #001F57
  • Protanomaly 95% similar1.3% of men, 0.02% of women · simulated as #001B56
  • Deuteranopia 98% similar1.2% of men, 0.01% of women · simulated as #001654
  • Deuteranomaly 98% similar5% of men, 0.35% of women · simulated as #001554
  • Tritanopia 82% similar0.001% of men, 0.03% of women · simulated as #002532
  • Tritanomaly 93% similar0.0001% of men, 0.0001% of women · simulated as #001B47
  • Achromatopsia 75% similar0.003% of men, 0.003% of women · simulated as #1A1A1A
  • Achromatomaly 84% similar0.001% of men, 0.001% of women · simulated as #161831

#001155 contrast checker

AaThe quick brown fox jumps over the lazy dog.
17.34:1 Super#001155 text on white
AA normalPassAAA normalPass
AA largePassAAA largePass
AaThe quick brown fox jumps over the lazy dog.
1.21:1 Very poor#001155 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 #001155

Palettes with #001155

#001155 in CSS

/* Interstellar Blue */
.color { color: #001155; }
.background { background-color: #001155; }
.border { border: 1px solid #001155; }

/* Other notations */
color: rgb(0 17 85);
color: hsl(228 100% 17%);
color: oklch(0.229 0.123 263.6);

#001155 FAQ

What color is #001155?

#001155 is a very dark, moderately saturated blue. Its closest named color is Interstellar Blue. It belongs to the blue color family and is a cool color.

What is the RGB value of #001155?

#001155 is rgb(0, 17, 85) in RGB, hsl(228, 100%, 17%) in HSL and cmyk(100%, 80%, 0%, 67%) in CMYK.

What is the complementary color of #001155?

The complementary color of #001155 is #554400, which sits opposite it on the color wheel.

Which text color works on #001155?

White text has the best contrast on #001155: 17.34:1, which meets the WCAG AA requirement of 4.5:1 for normal text.

Is #001155 a warm or cool color?

#001155 is a cool color.