# #666ca6 color: Twinkle Night

#666ca6 is rgb(102, 108, 166) in RGB and oklch(55.095% 0.09029 278.477) in OKLCH. Every other format, shade and contrast value is below.

Source: https://pickshade.com/color/666ca6

## Formats

| Format | Value |
| --- | --- |
| HEX | #666ca6 |
| RGB | rgb(102, 108, 166) |
| HSL | hsl(234.38, 26.45%, 52.55%) |
| HSB / HSV | hsv(234.38 38.55% 65.1%) |
| HWB | hwb(234.38 40% 34.9%) |
| CMYK | cmyk(39% 35% 0% 35%) |
| Lab | lab(47 8.96 -32.32) |
| LCH | lch(47 33.53 285.49) |
| OKLab | oklab(55.095% 0.01331 -0.0893) |
| OKLCH | oklch(55.095% 0.09029 278.477) |
| Display P3 | color(display-p3 0.4043 0.42277 0.63452) |
| Rec. 2020 | color(rec2020 0.36778 0.37079 0.59214) |
| Adobe RGB | color(a98-rgb 0.406 0.422 0.6377) |
| ProPhoto RGB | color(prophoto-rgb 0.37783 0.3547 0.55801) |
| Linear sRGB | color(srgb-linear 0.13287 0.14996 0.38133) |
| XYZ D65 | color(xyz-d65 0.17724 0.16303 0.38291) |
| XYZ D50 | color(xyz-d50 0.17026 0.16018 0.28871) |
| SwiftUI | Color(red: 0.4, green: 0.424, blue: 0.651) |
| UIKit | UIColor(red: 0.4, green: 0.424, blue: 0.651, alpha: 1) |
| Flutter / Compose | Color(0xFF666CA6) |
| Android XML | #666CA6 |

## Facts

- Closest name: Twinkle Night
- Hue family: Indigo, soft indigo
- Closest Tailwind class: slate-500
- Gamut: Inside sRGB: displays the same on any screen.
- Contrast with white: 4.93:1
- Contrast with black: 4.26:1

## Tints

#666ca6, #747aaf, #8288b8, #9197c1, #a0a5ca, #afb4d3, #bec2dc, #ced1e5, #dee0ee, #eef0f6

## Shades

#666ca6, #585d90, #4a4e7a, #3c4065, #2f3251, #23253e, #17192b, #0c0d1a, #04040a, #000001

## Tones

#666ca6, #676da1, #686e9c, #696e97, #6a6f92, #6b708c, #6d7087, #6e7182, #6f717d, #707177

## Harmonies

- Complementary: #666ca6, #7f722d
- Split: #666ca6, #946732, #627c41
- Analogous: #666ca6, #4576a4, #81639a
- Triadic: #666ca6, #9f5e4a, #3d825e
- Tetradic: #666ca6, #945c84, #7f722d, #3d825e
- Square: #666ca6, #9f5a67, #7f722d, #17837c
- Monochromatic: #666ca6, #28295d, #454a81, #8990cd, #adb5f5

## Questions about #666ca6

### What color is #666ca6?

#666ca6 is soft indigo. The closest named color is Twinkle Night. In RGB it is rgb(102, 108, 166), in HSL hsl(234.38, 26.45%, 52.55%) and in OKLCH oklch(55.095% 0.09029 278.477).

### What colors go well with #666ca6?

The complementary color of #666ca6 is #7f722d. For a calmer combination use the analogous colors #4576a4 and #81639a. The triadic partners are #9f5e4a and #3d825e.

### Is white or black text more readable on #666ca6?

White text reads better on #666ca6: white gives a contrast ratio of 4.93:1 and black gives 4.26:1. WCAG AA asks for at least 4.5:1 for body text.

### Is #666ca6 a warm or cool color?

#666ca6 is a cool color. In OKLCH its hue is 278 degrees, its lightness 55.1% and its chroma 0.09.