# #288def color: Bleu de France

#288def is rgb(40, 141, 239) in RGB and oklch(63.705% 0.17184 252.165) in OKLCH. Every other format, shade and contrast value is below.

Source: https://pickshade.com/color/288def

## Formats

| Format | Value |
| --- | --- |
| HEX | #288def |
| RGB | rgb(40, 141, 239) |
| HSL | hsl(209.55, 86.15%, 54.71%) |
| HSB / HSV | hsv(209.55 83.26% 93.73%) |
| HWB | hwb(209.55 15.69% 6.27%) |
| CMYK | cmyk(83% 41% 0% 6%) |
| Lab | lab(56.88 -1.67 -58.35) |
| LCH | lch(56.88 58.37 268.36) |
| OKLab | oklab(63.705% -0.05263 -0.16358) |
| OKLCH | oklch(63.705% 0.17184 252.165) |
| Display P3 | color(display-p3 0.28222 0.54513 0.90911) |
| Rec. 2020 | color(rec2020 0.35218 0.49633 0.8932) |
| Adobe RGB | color(a98-rgb 0.33634 0.54797 0.92308) |
| ProPhoto RGB | color(prophoto-rgb 0.43175 0.47217 0.87028) |
| Linear sRGB | color(srgb-linear 0.02122 0.26636 0.86316) |
| XYZ D65 | color(xyz-d65 0.25978 0.25731 0.85262) |
| XYZ D50 | color(xyz-d50 0.23534 0.24799 0.64253) |
| SwiftUI | Color(red: 0.157, green: 0.553, blue: 0.937) |
| UIKit | UIColor(red: 0.157, green: 0.553, blue: 0.937, alpha: 1) |
| Flutter / Compose | Color(0xFF288DEF) |
| Android XML | #288DEF |

## Facts

- Closest name: Bleu de France
- Hue family: Blue, bright blue
- Closest Tailwind class: blue-500
- Gamut: Inside sRGB: displays the same on any screen.
- Contrast with white: 3.42:1
- Contrast with black: 6.15:1

## Tints

#288def, #4599f2, #5da5f4, #72b1f7, #87bcf9, #9bc8fa, #afd3fc, #c3defd, #d7e9fe, #ebf4ff

## Shades

#288def, #217ad0, #1b67b1, #155594, #0f4478, #09335c, #042342, #02142a, #010714, #000103

## Tones

#288def, #398ee5, #468edc, #518fd2, #5b8fc8, #648fbe, #6d8eb4, #758eaa, #7d8da0, #848c96

## Harmonies

- Complementary: #288def, #c47800
- Split: #288def, #dd5f25, #9e8d00
- Analogous: #288def, #009cc7, #7e79ef
- Triadic: #288def, #df556f, #619f12
- Tetradic: #288def, #ae67d5, #c47800, #619f12
- Square: #288def, #ce5aa8, #c47800, #00a86c
- Monochromatic: #288def, #004498, #0067c6, #63b4ff, #afdbff

## Questions about #288def

### What color is #288def?

#288def is bright blue. The closest named color is Bleu de France. In RGB it is rgb(40, 141, 239), in HSL hsl(209.55, 86.15%, 54.71%) and in OKLCH oklch(63.705% 0.17184 252.165).

### What colors go well with #288def?

The complementary color of #288def is #c47800. For a calmer combination use the analogous colors #009cc7 and #7e79ef. The triadic partners are #df556f and #619f12.

### Is white or black text more readable on #288def?

White text reads better on #288def: white gives a contrast ratio of 3.42:1 and black gives 6.15:1. WCAG AA asks for at least 4.5:1 for body text.

### Is #288def a warm or cool color?

#288def is a cool color. In OKLCH its hue is 252 degrees, its lightness 63.7% and its chroma 0.172.