# #21bcfd color: Cherenkov Radiation

#21bcfd is rgb(33, 188, 253) in RGB and oklch(74.982% 0.14968 233.57) in OKLCH. Every other format, shade and contrast value is below.

Source: https://pickshade.com/color/21bcfd

## Formats

| Format | Value |
| --- | --- |
| HEX | #21bcfd |
| RGB | rgb(33, 188, 253) |
| HSL | hsl(197.73, 98.21%, 56.08%) |
| HSB / HSV | hsv(197.73 86.96% 99.22%) |
| HWB | hwb(197.73 12.94% 0.78%) |
| CMYK | cmyk(87% 26% 0% 1%) |
| Lab | lab(71.11 -21.93 -43.59) |
| LCH | lch(71.11 48.8 243.29) |
| OKLab | oklab(74.982% -0.08889 -0.12043) |
| OKLCH | oklch(74.982% 0.14968 233.57) |
| Display P3 | color(display-p3 0.35219 0.72653 0.96905) |
| Rec. 2020 | color(rec2020 0.45422 0.6868 0.96169) |
| Adobe RGB | color(a98-rgb 0.4273 0.73157 0.98278) |
| ProPhoto RGB | color(prophoto-rgb 0.52371 0.65617 0.94868) |
| Linear sRGB | color(srgb-linear 0.01521 0.50289 0.98225) |
| XYZ D65 | color(xyz-d65 0.36337 0.43379 0.9939) |
| XYZ D50 | color(xyz-d50 0.34086 0.42344 0.75046) |
| SwiftUI | Color(red: 0.129, green: 0.737, blue: 0.992) |
| UIKit | UIColor(red: 0.129, green: 0.737, blue: 0.992, alpha: 1) |
| Flutter / Compose | Color(0xFF21BCFD) |
| Android XML | #21BCFD |

## Facts

- Closest name: Cherenkov Radiation
- Hue family: Sky blue, bright light sky blue
- Closest Tailwind class: sky-400
- Gamut: Inside sRGB: displays the same on any screen.
- Contrast with white: 2.17:1
- Contrast with black: 9.68:1

## Tints

#21bcfd, #4ac3fe, #65caff, #7cd1ff, #91d8ff, #a5dfff, #b8e6ff, #caecff, #dcf2ff, #edf9ff

## Shades

#21bcfd, #1ba3dc, #168bbc, #10739d, #0b5d7f, #064762, #033247, #011f2d, #000d16, #000203

## Tones

#21bcfd, #40bbf5, #54baee, #64b9e6, #71b8de, #7db6d6, #88b5ce, #93b3c6, #9cb2be, #a5b0b6

## Harmonies

- Complementary: #21bcfd, #f69148
- Split: #21bcfd, #ff847f, #dba417
- Analogous: #21bcfd, #00c8d8, #7cabff
- Triadic: #21bcfd, #f583b5, #aeb734
- Tetradic: #21bcfd, #b39aff, #f69148, #aeb734
- Square: #21bcfd, #db8be4, #f69148, #6fc66d
- Monochromatic: #21bcfd, #0070a4, #0096d4, #8de0ff, #dbfbff

## Questions about #21bcfd

### What color is #21bcfd?

#21bcfd is bright light sky blue. The closest named color is Cherenkov Radiation. In RGB it is rgb(33, 188, 253), in HSL hsl(197.73, 98.21%, 56.08%) and in OKLCH oklch(74.982% 0.14968 233.57).

### What colors go well with #21bcfd?

The complementary color of #21bcfd is #f69148. For a calmer combination use the analogous colors #00c8d8 and #7cabff. The triadic partners are #f583b5 and #aeb734.

### Is white or black text more readable on #21bcfd?

Black text reads better on #21bcfd: white gives a contrast ratio of 2.17:1 and black gives 9.68:1. WCAG AA asks for at least 4.5:1 for body text.

### Is #21bcfd a warm or cool color?

#21bcfd is a cool color. In OKLCH its hue is 234 degrees, its lightness 75% and its chroma 0.15.