Start generating
0400A9

#0400A9 Bohemian Blue

#0400A9 is a dark, vivid blue named Bohemian Blue. In the RGB color model it is made of 1.6% red, 0.0% green and 66.3% blue (rgb(4, 0, 169)). Its HSL value is 241° hue, 100% saturation and 33% lightness, and in CMYK it is 98% cyan, 100% magenta, 0% yellow and 34% black. #0400A9 is a cool color. White text reads best on it, with a contrast ratio of 13.31:1.

Make a palette with #0400A9

#0400A9 color conversion

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

Variations of #0400A9

Shades

Mixed with black: richer and darker.

0400A903009202007C01006701005301003F00002C00001B00000A000001

Tints

Mixed with white: lighter and softer.

0400A90D32B4244EBE3D66C8577CD27192DB8CA8E3A8BEEBC4D3F2E1E9F9

Tones

Mixed with gray: calmer and more muted.

0400A90523A61034A41E41A12B4C9D39569A47609655689163718C727886

Hues

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

003E49003D4E003B5500395E00356C0400A926009E3600934200884C007B54006E

Temperatures

Cooler on the left, warmer on the right.

0028BB0022B7001CB40115B0020CAD0400A90A1AA71427A41E31A2283AA032419D

#0400A9 color harmonies

Complementary

The opposite hue — maximum contrast and energy.

0400A9A5A900
Open in generator →

Split complementary

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

0400A9A9590050A900
Open in generator →

Analogous

Neighbouring hues — calm, cohesive and natural.

0400A90050A95900A9
Open in generator →

Triadic

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

0400A9A9040000A904
Open in generator →

Tetradic

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

0400A9A900A5A5A90000A904
Open in generator →

Square

Four hues spaced at 90° — bold and playful.

0400A9A90050A5A90000A959
Open in generator →

#0400A9 for color-blind viewers (and dogs)

How #0400A9 appears with each type of color vision deficiency (Machado 2009 model) — and to your dog. Try the dog vision simulator →

  • Dog vision 92% similarHow dogs see it · simulated as #0026A7
  • Protanopia 85% similar1.3% of men, 0.02% of women · simulated as #0038AD
  • Protanomaly 89% similar1.3% of men, 0.02% of women · simulated as #002EAB
  • Deuteranopia 92% similar1.2% of men, 0.01% of women · simulated as #0026A7
  • Deuteranomaly 94% similar5% of men, 0.35% of women · simulated as #0020A8
  • Tritanopia 66% similar0.001% of men, 0.03% of women · simulated as #004461
  • Tritanomaly 88% similar0.0001% of men, 0.0001% of women · simulated as #002B8E
  • Achromatopsia 54% similar0.003% of men, 0.003% of women · simulated as #2F2F2F
  • Achromatomaly 73% similar0.001% of men, 0.001% of women · simulated as #292862

#0400A9 contrast checker

AaThe quick brown fox jumps over the lazy dog.
13.31:1 Super#0400A9 text on white
AA normalPassAAA normalPass
AA largePassAAA largePass
AaThe quick brown fox jumps over the lazy dog.
1.58:1 Very poor#0400A9 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 #0400A9

Palettes with #0400A9

#0400A9 in CSS

/* Bohemian Blue */
.color { color: #0400A9; }
.background { background-color: #0400A9; }
.border { border: 1px solid #0400A9; }

/* Other notations */
color: rgb(4 0 169);
color: hsl(241 100% 33%);
color: oklch(0.333 0.229 264.7);

#0400A9 FAQ

What color is #0400A9?

#0400A9 is a dark, vivid blue. Its closest named color is Bohemian Blue. It belongs to the blue color family and is a cool color.

What is the RGB value of #0400A9?

#0400A9 is rgb(4, 0, 169) in RGB, hsl(241, 100%, 33%) in HSL and cmyk(98%, 100%, 0%, 34%) in CMYK.

What is the complementary color of #0400A9?

The complementary color of #0400A9 is #A5A900, which sits opposite it on the color wheel.

Which text color works on #0400A9?

White text has the best contrast on #0400A9: 13.31:1, which meets the WCAG AA requirement of 4.5:1 for normal text.

Is #0400A9 a warm or cool color?

#0400A9 is a cool color.