# #0000ff color: Blue

#0000ff is rgb(0, 0, 255) in RGB and oklch(45.201% 0.31321 264.052) in OKLCH. Every other format, shade and contrast value is below.

Source: https://pickshade.com/color/0000ff

## Formats

| Format | Value |
| --- | --- |
| HEX | #0000ff |
| RGB | rgb(0, 0, 255) |
| HSL | hsl(240, 100%, 50%) |
| HSB / HSV | hsv(240 100% 100%) |
| HWB | hwb(240 0% 0%) |
| CMYK | cmyk(100% 100% 0% 0%) |
| Lab | lab(29.57 68.29 -112.03) |
| LCH | lch(29.57 131.2 301.36) |
| OKLab | oklab(45.201% -0.03246 -0.31153) |
| OKLCH | oklch(45.201% 0.31321 264.052) |
| Display P3 | color(display-p3 0 0 0.95959) |
| Rec. 2020 | color(rec2020 0.16837 0.05113 0.94678) |
| Adobe RGB | color(a98-rgb 0 0 0.98107) |
| ProPhoto RGB | color(prophoto-rgb 0.33621 0.13763 0.92287) |
| Linear sRGB | color(srgb-linear 0 0 1) |
| XYZ D65 | color(xyz-d65 0.18048 0.07219 0.95053) |
| XYZ D50 | color(xyz-d50 0.14308 0.06062 0.7141) |
| SwiftUI | Color(red: 0, green: 0, blue: 1) |
| UIKit | UIColor(red: 0, green: 0, blue: 1, alpha: 1) |
| Flutter / Compose | Color(0xFF0000FF) |
| Android XML | #0000FF |

## Facts

- Closest name: Blue
- Hue family: Blue, deep dark blue
- Closest Tailwind class: blue-700
- Gamut: Inside sRGB: displays the same on any screen.
- Contrast with white: 8.59:1
- Contrast with black: 2.44:1

## Tints

#0000ff, #0541ff, #2260ff, #3e78ff, #598eff, #74a3ff, #8fb6ff, #aac9ff, #c6dbff, #e2edff

## Shades

#0000ff, #0000de, #0000be, #00009e, #000080, #000063, #000048, #00002e, #000016, #000003

## Tones

#0000ff, #0027ee, #0437dd, #1041cd, #1c49bc, #274eab, #31519b, #3b548a, #445579, #4d5668

## Harmonies

- Complementary: #0000ff, #734f00
- Split: #0000ff, #8c3a00, #565c00
- Analogous: #0000ff, #005e8d, #6900d9
- Triadic: #0000ff, #aa0011, #006c00
- Tetradic: #0000ff, #8e009c, #734f00, #006c00
- Square: #0000ff, #a1005d, #734f00, #006851
- Monochromatic: #0000ff, #020064, #0400b4, #2362ff, #6095ff

## Questions about #0000ff

### What color is #0000ff?

#0000ff is deep dark blue. The closest named color is Blue. In RGB it is rgb(0, 0, 255), in HSL hsl(240, 100%, 50%) and in OKLCH oklch(45.201% 0.31321 264.052).

### What colors go well with #0000ff?

The complementary color of #0000ff is #734f00. For a calmer combination use the analogous colors #005e8d and #6900d9. The triadic partners are #aa0011 and #006c00.

### Is white or black text more readable on #0000ff?

White text reads better on #0000ff: white gives a contrast ratio of 8.59:1 and black gives 2.44:1. WCAG AA asks for at least 4.5:1 for body text.

### Is #0000ff a warm or cool color?

#0000ff is a cool color. In OKLCH its hue is 264 degrees, its lightness 45.2% and its chroma 0.313.