# #643e1d color: Cassiterite Brown

#643e1d is rgb(100, 62, 29) in RGB and oklch(40.161% 0.07101 59.532) in OKLCH. Every other format, shade and contrast value is below.

Source: https://pickshade.com/color/643e1d

## Formats

| Format | Value |
| --- | --- |
| HEX | #643e1d |
| RGB | rgb(100, 62, 29) |
| HSL | hsl(27.89, 55.04%, 25.29%) |
| HSB / HSV | hsv(27.89 71% 39.22%) |
| HWB | hwb(27.89 11.37% 60.78%) |
| CMYK | cmyk(0% 38% 71% 61%) |
| Lab | lab(30.31 14.65 27) |
| LCH | lch(30.31 30.71 61.52) |
| OKLab | oklab(40.161% 0.03601 0.06121) |
| OKLCH | oklch(40.161% 0.07101 59.532) |
| Display P3 | color(display-p3 0.37088 0.24982 0.13747) |
| Rec. 2020 | color(rec2020 0.28427 0.19442 0.078) |
| Adobe RGB | color(a98-rgb 0.35864 0.2518 0.14245) |
| ProPhoto RGB | color(prophoto-rgb 0.25437 0.19953 0.10882) |
| Linear sRGB | color(srgb-linear 0.12744 0.04817 0.01229) |
| XYZ D65 | color(xyz-d65 0.072 0.06244 0.01988) |
| XYZ D50 | color(xyz-d50 0.07588 0.06363 0.01522) |
| SwiftUI | Color(red: 0.392, green: 0.243, blue: 0.114) |
| UIKit | UIColor(red: 0.392, green: 0.243, blue: 0.114, alpha: 1) |
| Flutter / Compose | Color(0xFF643E1D) |
| Android XML | #643E1D |

## Facts

- Closest name: Cassiterite Brown
- Hue family: Brown, soft dark brown
- Closest Tailwind class: yellow-900
- Gamut: Inside sRGB: displays the same on any screen.
- Contrast with white: 9.34:1
- Contrast with black: 2.25:1

## Tints

#643e1d, #735033, #826248, #91745d, #a18773, #b09a89, #bfada0, #cfc1b7, #dfd6ce, #efeae7

## Shades

#643e1d, #563518, #482b13, #3b230e, #2e1a09, #221205, #160a03, #0b0401, #030100, #000000

## Tones

#643e1d, #613f23, #5f4028, #5c422c, #5a4331, #574435, #544539, #51463d, #4e4641, #4b4744

## Harmonies

- Complementary: #643e1d, #1e4d6a
- Split: #643e1d, #00525d, #39466f
- Analogous: #643e1d, #693831, #574613
- Triadic: #643e1d, #065449, #4e3f69
- Tetradic: #643e1d, #444d1e, #1e4d6a, #4e3f69
- Square: #643e1d, #2a5333, #1e4d6a, #5d395b
- Monochromatic: #643e1d, #1f0500, #421f00, #885f3e, #ad8261

## Questions about #643e1d

### What color is #643e1d?

#643e1d is soft dark brown. The closest named color is Cassiterite Brown. In RGB it is rgb(100, 62, 29), in HSL hsl(27.89, 55.04%, 25.29%) and in OKLCH oklch(40.161% 0.07101 59.532).

### What colors go well with #643e1d?

The complementary color of #643e1d is #1e4d6a. For a calmer combination use the analogous colors #693831 and #574613. The triadic partners are #065449 and #4e3f69.

### Is white or black text more readable on #643e1d?

White text reads better on #643e1d: white gives a contrast ratio of 9.34:1 and black gives 2.25:1. WCAG AA asks for at least 4.5:1 for body text.

### Is #643e1d a warm or cool color?

#643e1d is a warm color. In OKLCH its hue is 60 degrees, its lightness 40.2% and its chroma 0.071.