# #21487f color: Theatre Blue

#21487f is rgb(33, 72, 127) in RGB and oklch(40.362% 0.10279 257.46) in OKLCH. Every other format, shade and contrast value is below.

Source: https://pickshade.com/color/21487f

## Formats

| Format | Value |
| --- | --- |
| HEX | #21487f |
| RGB | rgb(33, 72, 127) |
| HSL | hsl(215.11, 58.75%, 31.37%) |
| HSB / HSV | hsv(215.11 74.02% 49.8%) |
| HWB | hwb(215.11 12.94% 50.2%) |
| CMYK | cmyk(74% 43% 0% 50%) |
| Lab | lab(30.09 1.62 -35.83) |
| LCH | lch(30.09 35.87 272.59) |
| OKLab | oklab(40.362% -0.02232 -0.10034) |
| OKLCH | oklch(40.362% 0.10279 257.46) |
| Display P3 | color(display-p3 0.16807 0.27876 0.48249) |
| Rec. 2020 | color(rec2020 0.15917 0.21764 0.42873) |
| Adobe RGB | color(a98-rgb 0.20097 0.28815 0.48772) |
| ProPhoto RGB | color(prophoto-rgb 0.2081 0.2173 0.39928) |
| Linear sRGB | color(srgb-linear 0.01521 0.0648 0.21223) |
| XYZ D65 | color(xyz-d65 0.06775 0.0649 0.20975) |
| XYZ D50 | color(xyz-d50 0.06196 0.06271 0.15806) |
| SwiftUI | Color(red: 0.129, green: 0.282, blue: 0.498) |
| UIKit | UIColor(red: 0.129, green: 0.282, blue: 0.498, alpha: 1) |
| Flutter / Compose | Color(0xFF21487F) |
| Android XML | #21487F |

## Facts

- Closest name: Theatre Blue
- Hue family: Blue, deep dark blue
- Closest Tailwind class: sky-900
- Gamut: Inside sRGB: displays the same on any screen.
- Contrast with white: 9.14:1
- Contrast with black: 2.3:1

## Tints

#21487f, #36598c, #4b6b99, #607da6, #758eb3, #8ba1bf, #a1b3cc, #b8c6d9, #cfd8e6, #e7ecf2

## Shades

#21487f, #1b3d6e, #16335d, #10294c, #0b1f3c, #06162d, #030d1f, #010611, #000206, #000001

## Tones

#21487f, #26497a, #2b4974, #2f496f, #33496a, #374a64, #3b4a5f, #3e495a, #424954, #45494e

## Harmonies

- Complementary: #21487f, #673f00
- Split: #21487f, #74330b, #4f4b00
- Analogous: #21487f, #005273, #473d7c
- Triadic: #21487f, #762d34, #2a5517
- Tetradic: #21487f, #5f346c, #673f00, #2a5517
- Square: #21487f, #6f2e53, #673f00, #00593d
- Monochromatic: #21487f, #000539, #00275b, #426ba4, #658fcb

## Questions about #21487f

### What color is #21487f?

#21487f is deep dark blue. The closest named color is Theatre Blue. In RGB it is rgb(33, 72, 127), in HSL hsl(215.11, 58.75%, 31.37%) and in OKLCH oklch(40.362% 0.10279 257.46).

### What colors go well with #21487f?

The complementary color of #21487f is #673f00. For a calmer combination use the analogous colors #005273 and #473d7c. The triadic partners are #762d34 and #2a5517.

### Is white or black text more readable on #21487f?

White text reads better on #21487f: white gives a contrast ratio of 9.14:1 and black gives 2.3:1. WCAG AA asks for at least 4.5:1 for body text.

### Is #21487f a warm or cool color?

#21487f is a cool color. In OKLCH its hue is 257 degrees, its lightness 40.4% and its chroma 0.103.