#2100A6 closest to Cobalt
#2100A6 is a dark, vivid blue; the closest named color is Cobalt. In the RGB color model it is made of 12.9% red, 0.0% green and 65.1% blue (rgb(33, 0, 166)). Its HSL value is 252° hue, 100% saturation and 33% lightness, and in CMYK it is 80% cyan, 100% magenta, 0% yellow and 35% black. #2100A6 is a cool color. White text reads best on it, with a contrast ratio of 13.00:1.
#2100A6 color conversion
- HEX
- RGB
- HSL
- HSB / HSV
- HWB
- CMYK
- XYZ
- CIELAB
- CIELCh
- CIELUV
- OKLCH
Variations of #2100A6
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.
#2100A6 color harmonies
Split complementary
The two hues next to the complement — contrast with less tension.
Open in generator →#2100A6 for color-blind viewers (and dogs)
How #2100A6 appears with each type of color vision deficiency (Machado 2009 model) — and to your dog. Try the dog vision simulator →
- Dog vision 91% similarHow dogs see it · simulated as #0029A4
- Protanopia 85% similar1.3% of men, 0.02% of women · simulated as #0038AA
- Protanomaly 89% similar1.3% of men, 0.02% of women · simulated as #002FA8
- Deuteranopia 91% similar1.2% of men, 0.01% of women · simulated as #0029A4
- Deuteranomaly 93% similar5% of men, 0.35% of women · simulated as #0023A5
- Tritanopia 67% similar0.001% of men, 0.03% of women · simulated as #004260
- Tritanomaly 88% similar0.0001% of men, 0.0001% of women · simulated as #00298B
- Achromatopsia 56% similar0.003% of men, 0.003% of women · simulated as #313131
- Achromatomaly 74% similar0.001% of men, 0.001% of women · simulated as #2E2A61
#2100A6 contrast checker
Need another background? Pick any pair in the palette generator and open the contrast panel.
Colors similar to #2100A6
Palettes with #2100A6
#2100A6 in CSS
/* Cobalt */
.color { color: #2100A6; }
.background { background-color: #2100A6; }
.border { border: 1px solid #2100A6; }
/* Other notations */
color: rgb(33 0 166);
color: hsl(252 100% 33%);
color: oklch(0.340 0.219 271.9);#2100A6 FAQ
What color is #2100A6?
#2100A6 is a dark, vivid blue. Its closest named color is Cobalt. It belongs to the blue color family and is a cool color.
What is the RGB value of #2100A6?
#2100A6 is rgb(33, 0, 166) in RGB, hsl(252, 100%, 33%) in HSL and cmyk(80%, 100%, 0%, 35%) in CMYK.
What is the complementary color of #2100A6?
The complementary color of #2100A6 is #85A600, which sits opposite it on the color wheel.
Which text color works on #2100A6?
White text has the best contrast on #2100A6: 13.00:1, which meets the WCAG AA requirement of 4.5:1 for normal text.
Is #2100A6 a warm or cool color?
#2100A6 is a cool color.