# #1f4557 color: Blue Syzygy

#1f4557 is rgb(31, 69, 87) in RGB and oklch(37.1% 0.05304 231.101) in OKLCH. Every other format, shade and contrast value is below.

Source: https://pickshade.com/color/1f4557

## Formats

| Format | Value |
| --- | --- |
| HEX | #1f4557 |
| RGB | rgb(31, 69, 87) |
| HSL | hsl(199.29, 47.46%, 23.14%) |
| HSB / HSV | hsv(199.29 64.37% 34.12%) |
| HWB | hwb(199.29 12.16% 65.88%) |
| CMYK | cmyk(64% 21% 0% 66%) |
| Lab | lab(27.15 -9.35 -15.13) |
| LCH | lch(27.15 17.79 238.28) |
| OKLab | oklab(37.1% -0.03331 -0.04128) |
| OKLCH | oklch(37.1% 0.05304 231.101) |
| Display P3 | color(display-p3 0.1594 0.2671 0.33419) |
| Rec. 2020 | color(rec2020 0.13533 0.20298 0.27421) |
| Adobe RGB | color(a98-rgb 0.19271 0.27721 0.34098) |
| ProPhoto RGB | color(prophoto-rgb 0.16794 0.20165 0.26198) |
| Linear sRGB | color(srgb-linear 0.0137 0.05951 0.09531) |
| XYZ D65 | color(xyz-d65 0.04413 0.05235 0.09795) |
| XYZ D50 | color(xyz-d50 0.04253 0.05149 0.07403) |
| SwiftUI | Color(red: 0.122, green: 0.271, blue: 0.341) |
| UIKit | UIColor(red: 0.122, green: 0.271, blue: 0.341, alpha: 1) |
| Flutter / Compose | Color(0xFF1F4557) |
| Android XML | #1F4557 |

## Facts

- Closest name: Blue Syzygy
- Hue family: Sky blue, soft dark sky blue
- Closest Tailwind class: slate-700
- Gamut: Inside sRGB: displays the same on any screen.
- Contrast with white: 10.26:1
- Contrast with black: 2.05:1

## Tints

#1f4557, #345667, #496776, #5f7986, #748b97, #8a9da8, #a1b0b9, #b8c3ca, #cfd7db, #e7ebed

## Shades

#1f4557, #193b4b, #14313e, #0f2733, #0a1e27, #06151c, #030c12, #010508, #000203, #000000

## Tones

#1f4557, #234555, #274452, #2b4450, #2f434e, #32434c, #354249, #384247, #3b4145, #3d4142

## Harmonies

- Complementary: #1f4557, #573825
- Split: #1f4557, #593434, #4e3d1d
- Analogous: #1f4557, #15484c, #30405c
- Triadic: #1f4557, #563443, #414320
- Tetradic: #1f4557, #403b5a, #573825, #414320
- Square: #1f4557, #4d3751, #573825, #30472c
- Monochromatic: #1f4557, #000918, #002636, #40667a, #638a9e

## Questions about #1f4557

### What color is #1f4557?

#1f4557 is soft dark sky blue. The closest named color is Blue Syzygy. In RGB it is rgb(31, 69, 87), in HSL hsl(199.29, 47.46%, 23.14%) and in OKLCH oklch(37.1% 0.05304 231.101).

### What colors go well with #1f4557?

The complementary color of #1f4557 is #573825. For a calmer combination use the analogous colors #15484c and #30405c. The triadic partners are #563443 and #414320.

### Is white or black text more readable on #1f4557?

White text reads better on #1f4557: white gives a contrast ratio of 10.26:1 and black gives 2.05:1. WCAG AA asks for at least 4.5:1 for body text.

### Is #1f4557 a warm or cool color?

#1f4557 is a cool color. In OKLCH its hue is 231 degrees, its lightness 37.1% and its chroma 0.053.