# #17538e color: Nautical Blue

#17538e is rgb(23, 83, 142) in RGB and oklch(43.707% 0.11413 252.008) in OKLCH. Every other format, shade and contrast value is below.

Source: https://pickshade.com/color/17538e

## Formats

| Format | Value |
| --- | --- |
| HEX | #17538e |
| RGB | rgb(23, 83, 142) |
| HSL | hsl(209.75, 72.12%, 32.35%) |
| HSB / HSV | hsv(209.75 83.8% 55.69%) |
| HWB | hwb(209.75 9.02% 44.31%) |
| CMYK | cmyk(84% 42% 0% 44%) |
| Lab | lab(34.05 -1.58 -38.76) |
| LCH | lch(34.05 38.79 267.66) |
| OKLab | oklab(43.707% -0.03525 -0.10855) |
| OKLCH | oklch(43.707% 0.11413 252.008) |
| Display P3 | color(display-p3 0.16171 0.32071 0.53976) |
| Rec. 2020 | color(rec2020 0.17457 0.25978 0.48981) |
| Adobe RGB | color(a98-rgb 0.20537 0.32859 0.54474) |
| ProPhoto RGB | color(prophoto-rgb 0.23025 0.2526 0.45718) |
| Linear sRGB | color(srgb-linear 0.00857 0.0865 0.2705) |
| XYZ D65 | color(xyz-d65 0.08328 0.08321 0.26759) |
| XYZ D50 | color(xyz-d50 0.07575 0.08031 0.20168) |
| SwiftUI | Color(red: 0.09, green: 0.325, blue: 0.557) |
| UIKit | UIColor(red: 0.09, green: 0.325, blue: 0.557, alpha: 1) |
| Flutter / Compose | Color(0xFF17538E) |
| Android XML | #17538E |

## Facts

- Closest name: Nautical Blue
- Hue family: Blue, deep dark blue
- Closest Tailwind class: sky-800
- Gamut: Inside sRGB: displays the same on any screen.
- Contrast with white: 7.88:1
- Contrast with black: 2.66:1

## Tints

#17538e, #31649a, #4874a5, #5e85b1, #7496bc, #8ba7c8, #a1b8d3, #b8cade, #cfdbe9, #e7edf4

## Shades

#17538e, #12477b, #0e3b68, #0a3056, #062544, #041b34, #021124, #010815, #000207, #000001

## Tones

#17538e, #205388, #285482, #2f547c, #355476, #3a5471, #3f546b, #445364, #49535e, #4d5258

## Harmonies

- Complementary: #17538e, #774400
- Split: #17538e, #843716, #5e5300
- Analogous: #17538e, #005d7a, #49478e
- Triadic: #17538e, #843241, #395e0c
- Tetradic: #17538e, #673c7f, #774400, #395e0c
- Square: #17538e, #7a3463, #774400, #00643e
- Monochromatic: #17538e, #001141, #003169, #3d76b4, #619bdc

## Questions about #17538e

### What color is #17538e?

#17538e is deep dark blue. The closest named color is Nautical Blue. In RGB it is rgb(23, 83, 142), in HSL hsl(209.75, 72.12%, 32.35%) and in OKLCH oklch(43.707% 0.11413 252.008).

### What colors go well with #17538e?

The complementary color of #17538e is #774400. For a calmer combination use the analogous colors #005d7a and #49478e. The triadic partners are #843241 and #395e0c.

### Is white or black text more readable on #17538e?

White text reads better on #17538e: white gives a contrast ratio of 7.88:1 and black gives 2.66:1. WCAG AA asks for at least 4.5:1 for body text.

### Is #17538e a warm or cool color?

#17538e is a cool color. In OKLCH its hue is 252 degrees, its lightness 43.7% and its chroma 0.114.