# #663e37 color: Sekkasshoku Brown

#663e37 is rgb(102, 62, 55) in RGB and oklch(40.932% 0.05795 30.516) in OKLCH. Every other format, shade and contrast value is below.

Source: https://pickshade.com/color/663e37

## Formats

| Format | Value |
| --- | --- |
| HEX | #663e37 |
| RGB | rgb(102, 62, 55) |
| HSL | hsl(8.94, 29.94%, 30.78%) |
| HSB / HSV | hsv(8.94 46.08% 40%) |
| HWB | hwb(8.94 21.57% 60%) |
| CMYK | cmyk(0% 39% 46% 60%) |
| Lab | lab(30.98 17.35 12.04) |
| LCH | lch(30.98 21.12 34.76) |
| OKLab | oklab(40.932% 0.04992 0.02942) |
| OKLCH | oklch(40.932% 0.05795 30.516) |
| Display P3 | color(display-p3 0.37779 0.25027 0.22247) |
| Rec. 2020 | color(rec2020 0.29229 0.19608 0.16079) |
| Adobe RGB | color(a98-rgb 0.36462 0.2518 0.22771) |
| ProPhoto RGB | color(prophoto-rgb 0.26502 0.20207 0.1695) |
| Linear sRGB | color(srgb-linear 0.13287 0.04817 0.0382) |
| XYZ D65 | color(xyz-d65 0.07891 0.06546 0.04462) |
| XYZ D50 | color(xyz-d50 0.08196 0.06641 0.03381) |
| SwiftUI | Color(red: 0.4, green: 0.243, blue: 0.216) |
| UIKit | UIColor(red: 0.4, green: 0.243, blue: 0.216, alpha: 1) |
| Flutter / Compose | Color(0xFF663E37) |
| Android XML | #663E37 |

## Facts

- Closest name: Sekkasshoku Brown
- Hue family: Red, soft dark red
- Closest Tailwind class: taupe-600
- Gamut: Inside sRGB: displays the same on any screen.
- Contrast with white: 9.09:1
- Contrast with black: 2.31:1

## Tints

#663e37, #754f49, #84615b, #93746e, #a28681, #b19a95, #c1ada9, #d0c1be, #e0d5d3, #efeae9

## Shades

#663e37, #58352e, #4a2b26, #3c231e, #2f1a16, #23120f, #170a08, #0c0403, #040101, #000000

## Tones

#663e37, #633f39, #61413b, #5e423d, #5c433f, #594541, #564643, #534745, #504846, #4d4948

## Harmonies

- Complementary: #663e37, #1c535c
- Split: #663e37, #20544c, #2b4e67
- Analogous: #663e37, #643d49, #614328
- Triadic: #663e37, #32533a, #3e486a
- Tetradic: #663e37, #564923, #1c535c, #3e486a
- Square: #663e37, #464f2a, #1c535c, #4f4365
- Monochromatic: #663e37, #230301, #441f19, #8a5f57, #b0827a

## Questions about #663e37

### What color is #663e37?

#663e37 is soft dark red. The closest named color is Sekkasshoku Brown. In RGB it is rgb(102, 62, 55), in HSL hsl(8.94, 29.94%, 30.78%) and in OKLCH oklch(40.932% 0.05795 30.516).

### What colors go well with #663e37?

The complementary color of #663e37 is #1c535c. For a calmer combination use the analogous colors #643d49 and #614328. The triadic partners are #32533a and #3e486a.

### Is white or black text more readable on #663e37?

White text reads better on #663e37: white gives a contrast ratio of 9.09:1 and black gives 2.31:1. WCAG AA asks for at least 4.5:1 for body text.

### Is #663e37 a warm or cool color?

#663e37 is a warm color. In OKLCH its hue is 31 degrees, its lightness 40.9% and its chroma 0.058.