# #173140 color: NATO Blue

#173140 is rgb(23, 49, 64) in RGB and oklch(29.977% 0.04204 235.82) in OKLCH. Every other format, shade and contrast value is below.

Source: https://pickshade.com/color/173140

## Formats

| Format | Value |
| --- | --- |
| HEX | #173140 |
| RGB | rgb(23, 49, 64) |
| HSL | hsl(201.95, 47.13%, 17.06%) |
| HSB / HSV | hsv(201.95 64.06% 25.1%) |
| HWB | hwb(201.95 9.02% 74.9%) |
| CMYK | cmyk(64% 23% 0% 75%) |
| Lab | lab(18.81 -6.34 -12.73) |
| LCH | lch(18.81 14.22 243.52) |
| OKLab | oklab(29.977% -0.02362 -0.03478) |
| OKLCH | oklch(29.977% 0.04204 235.82) |
| Display P3 | color(display-p3 0.11494 0.18967 0.24539) |
| Rec. 2020 | color(rec2020 0.07969 0.1256 0.18303) |
| Adobe RGB | color(a98-rgb 0.14758 0.2052 0.25709) |
| ProPhoto RGB | color(prophoto-rgb 0.11963 0.14019 0.18536) |
| Linear sRGB | color(srgb-linear 0.00857 0.03071 0.05127) |
| XYZ D65 | color(xyz-d65 0.02377 0.02749 0.05256) |
| XYZ D50 | color(xyz-d50 0.0229 0.02703 0.03971) |
| SwiftUI | Color(red: 0.09, green: 0.192, blue: 0.251) |
| UIKit | UIColor(red: 0.09, green: 0.192, blue: 0.251, alpha: 1) |
| Flutter / Compose | Color(0xFF173140) |
| Android XML | #173140 |

## Facts

- Closest name: NATO Blue
- Hue family: Sky blue, soft very dark sky blue
- Closest Tailwind class: cyan-950
- Gamut: Inside sRGB: displays the same on any screen.
- Contrast with white: 13.55:1
- Contrast with black: 1.55:1

## Tints

#173140, #2c4351, #415663, #566975, #6d7d87, #83919a, #9ba6ae, #b3bcc2, #ccd2d6, #e5e8ea

## Shades

#173140, #122936, #0e222d, #0a1a24, #06131b, #040c13, #02060b, #010305, #000101, #000000

## Tones

#173140, #1a313e, #1d303c, #1f303b, #213039, #243037, #262f35, #282f33, #2a2e31, #2c2e30

## Harmonies

- Complementary: #173140, #3e2818
- Split: #173140, #412523, #372c13
- Analogous: #173140, #0e3438, #242d43
- Triadic: #173140, #3f252e, #2d3017
- Tetradic: #173140, #2f2941, #3e2818, #2d3017
- Square: #173140, #392639, #3e2818, #203321
- Monochromatic: #173140, #000713, #001421, #365161, #577384

## Questions about #173140

### What color is #173140?

#173140 is soft very dark sky blue. The closest named color is NATO Blue. In RGB it is rgb(23, 49, 64), in HSL hsl(201.95, 47.13%, 17.06%) and in OKLCH oklch(29.977% 0.04204 235.82).

### What colors go well with #173140?

The complementary color of #173140 is #3e2818. For a calmer combination use the analogous colors #0e3438 and #242d43. The triadic partners are #3f252e and #2d3017.

### Is white or black text more readable on #173140?

White text reads better on #173140: white gives a contrast ratio of 13.55:1 and black gives 1.55:1. WCAG AA asks for at least 4.5:1 for body text.

### Is #173140 a warm or cool color?

#173140 is a cool color. In OKLCH its hue is 236 degrees, its lightness 30% and its chroma 0.042.