Cobalt Blue#0047AB
Cobalt Blue Hex Code: #0047AB
Cobalt Blue is a dark, vivid blue. Its OKLCH lightness is 43% and chroma 0.172. Text on this color reads best in white (contrast 8.44:1).
| HEX | #0047AB |
|---|---|
| RGB | rgb(0, 71, 171) |
| HSL | hsl(215, 100%, 34%) |
| HSV / HSB | hsv(215, 100%, 67%) |
| CMYK | cmyk(100%, 58%, 0%, 33%) |
| OKLCH | oklch(42.8% 0.172 259.7) |
Contrast
White text8.44:1
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Black text2.49:1
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On white8.44:1
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On black2.49:1
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Tints
Shades
Matching colors
Complementary
Analogous
Split complementary
Similar named colors
Code
| CSS | color: #0047AB; |
|---|---|
| Tailwind | bg-[#0047ab] |
| SwiftUI | Color(red: 0, green: 0.278, blue: 0.671) |
| Android | Color.parseColor("#0047AB") |
| Flutter | Color(0xFF0047AB) |
Value from Wikipedia, Cobalt blue. Names like Cobalt Blue are not standardized, so other sources may list a slightly different hex.
Frequently asked questions
What is the hex code for cobalt blue?
Cobalt Blue is #0047AB in hex and rgb(0, 71, 171) in RGB.
What is cobalt blue in CMYK?
With the plain conversion formula it is cmyk(100, 58, 0, 33). For print, convert with your printer's ICC profile instead.
What text color works on cobalt blue?
White text has the higher contrast at 8.44:1, which passes WCAG AA for normal text (4.5:1).