# #645f67 color: Windsor Grey

#645f67 is rgb(100, 95, 103) in RGB and oklch(49.287% 0.01398 313.113) in OKLCH. Every other format, shade and contrast value is below.

Source: https://pickshade.com/color/645f67

## Formats

| Format | Value |
| --- | --- |
| HEX | #645f67 |
| RGB | rgb(100, 95, 103) |
| HSL | hsl(277.5, 4.04%, 38.82%) |
| HSB / HSV | hsv(277.5 7.77% 40.39%) |
| HWB | hwb(277.5 37.25% 59.61%) |
| CMYK | cmyk(3% 8% 0% 60%) |
| Lab | lab(40.99 3.3 -3.82) |
| LCH | lch(40.99 5.05 310.82) |
| OKLab | oklab(49.287% 0.00956 -0.01021) |
| OKLCH | oklch(49.287% 0.01398 313.113) |
| Display P3 | color(display-p3 0.38876 0.37322 0.40155) |
| Rec. 2020 | color(rec2020 0.32963 0.317 0.34511) |
| Adobe RGB | color(a98-rgb 0.38668 0.37318 0.40198) |
| ProPhoto RGB | color(prophoto-rgb 0.31399 0.30262 0.32603) |
| Linear sRGB | color(srgb-linear 0.12744 0.11444 0.13563) |
| XYZ D65 | color(xyz-d65 0.11795 0.11873 0.14503) |
| XYZ D50 | color(xyz-d50 0.11905 0.11861 0.10974) |
| SwiftUI | Color(red: 0.392, green: 0.373, blue: 0.404) |
| UIKit | UIColor(red: 0.392, green: 0.373, blue: 0.404, alpha: 1) |
| Flutter / Compose | Color(0xFF645F67) |
| Android XML | #645F67 |

## Facts

- Closest name: Windsor Grey
- Hue family: Gray, dark gray
- Closest Tailwind class: olive-600
- Gamut: Inside sRGB: displays the same on any screen.
- Contrast with white: 6.22:1
- Contrast with black: 3.37:1

## Tints

#645f67, #726e75, #817d83, #908c92, #9f9ca1, #aeabb0, #bebcbf, #cecccf, #dedddf, #eeeeef

## Shades

#645f67, #565259, #48444b, #3b383d, #2e2c30, #222023, #161517, #0b0a0c, #030304, #000000

## Tones

#645f67, #645f66, #635f66, #636065, #636065, #636064, #626063, #626063, #626162, #616162

## Harmonies

- Complementary: #645f67, #5e635b
- Split: #645f67, #626259, #5a645f
- Analogous: #645f67, #606069, #675e63
- Triadic: #645f67, #666059, #596463
- Tetradic: #645f67, #695e5f, #5e635b, #596463
- Square: #645f67, #695f5b, #5e635b, #596367
- Monochromatic: #645f67, #252027, #433e46, #87828a, #aca6af

## Questions about #645f67

### What color is #645f67?

#645f67 is dark gray. The closest named color is Windsor Grey. In RGB it is rgb(100, 95, 103), in HSL hsl(277.5, 4.04%, 38.82%) and in OKLCH oklch(49.287% 0.01398 313.113).

### What colors go well with #645f67?

The complementary color of #645f67 is #5e635b. For a calmer combination use the analogous colors #606069 and #675e63. The triadic partners are #666059 and #596463.

### Is white or black text more readable on #645f67?

White text reads better on #645f67: white gives a contrast ratio of 6.22:1 and black gives 3.37:1. WCAG AA asks for at least 4.5:1 for body text.

### Is #645f67 a warm or cool color?

#645f67 is a neutral color. In OKLCH its hue is 313 degrees, its lightness 49.3% and its chroma 0.014.