# #1663a3 color: Prime Blue

#1663a3 is rgb(22, 99, 163) in RGB and oklch(48.92% 0.12456 249.282) in OKLCH. Every other format, shade and contrast value is below.

Source: https://pickshade.com/color/1663a3

## Formats

| Format | Value |
| --- | --- |
| HEX | #1663a3 |
| RGB | rgb(22, 99, 163) |
| HSL | hsl(207.23, 76.22%, 36.27%) |
| HSB / HSV | hsv(207.23 86.5% 63.92%) |
| HWB | hwb(207.23 8.63% 36.08%) |
| CMYK | cmyk(87% 39% 0% 36%) |
| Lab | lab(40.15 -4.07 -41.64) |
| LCH | lch(40.15 41.84 264.42) |
| OKLab | oklab(48.92% -0.04406 -0.1165) |
| OKLCH | oklch(48.92% 0.12456 249.282) |
| Display P3 | color(display-p3 0.18545 0.38245 0.62021) |
| Rec. 2020 | color(rec2020 0.21521 0.32322 0.57644) |
| Adobe RGB | color(a98-rgb 0.23473 0.38815 0.62548) |
| ProPhoto RGB | color(prophoto-rgb 0.27347 0.30804 0.54177) |
| Linear sRGB | color(srgb-linear 0.00802 0.12477 0.36625) |
| XYZ D65 | color(xyz-d65 0.11403 0.11738 0.36316) |
| XYZ D50 | color(xyz-d50 0.10396 0.11343 0.27377) |
| SwiftUI | Color(red: 0.086, green: 0.388, blue: 0.639) |
| UIKit | UIColor(red: 0.086, green: 0.388, blue: 0.639, alpha: 1) |
| Flutter / Compose | Color(0xFF1663A3) |
| Android XML | #1663A3 |

## Facts

- Closest name: Prime Blue
- Hue family: Blue, deep dark blue
- Closest Tailwind class: sky-700
- Gamut: Inside sRGB: displays the same on any screen.
- Contrast with white: 6.27:1
- Contrast with black: 3.35:1

## Tints

#1663a3, #3472ad, #4c82b6, #6291c0, #78a1c9, #8eb0d3, #a4c0dc, #bbcfe5, #d1dfee, #e8eff6

## Shades

#1663a3, #12558d, #0d4778, #093a63, #062e4f, #03213c, #02162a, #010b19, #00030a, #000001

## Tones

#1663a3, #23639d, #2d6396, #36638f, #3d6389, #446382, #4a637c, #506275, #56626e, #5b6167

## Harmonies

- Complementary: #1663a3, #8c5000
- Split: #1663a3, #994223, #716000
- Analogous: #1663a3, #006d8a, #5356a5
- Triadic: #1663a3, #993c51, #496d0c
- Tetradic: #1663a3, #754995, #8c5000, #496d0c
- Square: #1663a3, #8c4077, #8c5000, #007546
- Monochromatic: #1663a3, #002051, #00407d, #4087ca, #65adf2

## Questions about #1663a3

### What color is #1663a3?

#1663a3 is deep dark blue. The closest named color is Prime Blue. In RGB it is rgb(22, 99, 163), in HSL hsl(207.23, 76.22%, 36.27%) and in OKLCH oklch(48.92% 0.12456 249.282).

### What colors go well with #1663a3?

The complementary color of #1663a3 is #8c5000. For a calmer combination use the analogous colors #006d8a and #5356a5. The triadic partners are #993c51 and #496d0c.

### Is white or black text more readable on #1663a3?

White text reads better on #1663a3: white gives a contrast ratio of 6.27:1 and black gives 3.35:1. WCAG AA asks for at least 4.5:1 for body text.

### Is #1663a3 a warm or cool color?

#1663a3 is a cool color. In OKLCH its hue is 249 degrees, its lightness 48.9% and its chroma 0.125.