# #151b4e color: Tetsu-Kon Blue

#151b4e is rgb(21, 27, 78) in RGB and oklch(25.281% 0.09319 272.701) in OKLCH. Every other format, shade and contrast value is below.

Source: https://pickshade.com/color/151b4e

## Formats

| Format | Value |
| --- | --- |
| HEX | #151b4e |
| RGB | rgb(21, 27, 78) |
| HSL | hsl(233.68, 57.58%, 19.41%) |
| HSB / HSV | hsv(233.68 73.08% 30.59%) |
| HWB | hwb(233.68 8.24% 69.41%) |
| CMYK | cmyk(73% 65% 0% 69%) |
| Lab | lab(12.05 12.67 -33.01) |
| LCH | lch(12.05 35.35 291) |
| OKLab | oklab(25.281% 0.00439 -0.09309) |
| OKLCH | oklch(25.281% 0.09319 272.701) |
| Display P3 | color(display-p3 0.08693 0.10518 0.29397) |
| Rec. 2020 | color(rec2020 0.05226 0.05158 0.23145) |
| Adobe RGB | color(a98-rgb 0.11433 0.12844 0.30514) |
| ProPhoto RGB | color(prophoto-rgb 0.10831 0.08748 0.2234) |
| Linear sRGB | color(srgb-linear 0.0075 0.01096 0.07619) |
| XYZ D65 | color(xyz-d65 0.02076 0.01493 0.07387) |
| XYZ D50 | color(xyz-d50 0.01839 0.01414 0.05557) |
| SwiftUI | Color(red: 0.082, green: 0.106, blue: 0.306) |
| UIKit | UIColor(red: 0.082, green: 0.106, blue: 0.306, alpha: 1) |
| Flutter / Compose | Color(0xFF151B4E) |
| Android XML | #151B4E |

## Facts

- Closest name: Tetsu-Kon Blue
- Hue family: Indigo, soft very dark indigo
- Closest Tailwind class: indigo-950
- Gamut: Inside sRGB: displays the same on any screen.
- Contrast with white: 16.17:1
- Contrast with black: 1.3:1

## Tints

#151b4e, #27305f, #3b4570, #505a82, #677093, #7e87a5, #979eb7, #b0b5c9, #cacddb, #e4e6ed

## Shades

#151b4e, #111643, #0c1138, #080c2d, #050823, #030519, #02020f, #010107, #000002, #000000

## Tones

#151b4e, #161c4a, #171e45, #181f41, #19203d, #1b2039, #1c2134, #1e2130, #1f222b, #212227

## Harmonies

- Complementary: #151b4e, #2e2000
- Split: #151b4e, #3b1600, #1b2800
- Analogous: #151b4e, #002449, #2c1246
- Triadic: #151b4e, #450700, #002e08
- Tetradic: #151b4e, #3a0a35, #2e2000, #002e08
- Square: #151b4e, #43051e, #2e2000, #002c25
- Monochromatic: #151b4e, #030029, #04002c, #303b71, #505d96

## Questions about #151b4e

### What color is #151b4e?

#151b4e is soft very dark indigo. The closest named color is Tetsu-Kon Blue. In RGB it is rgb(21, 27, 78), in HSL hsl(233.68, 57.58%, 19.41%) and in OKLCH oklch(25.281% 0.09319 272.701).

### What colors go well with #151b4e?

The complementary color of #151b4e is #2e2000. For a calmer combination use the analogous colors #002449 and #2c1246. The triadic partners are #450700 and #002e08.

### Is white or black text more readable on #151b4e?

White text reads better on #151b4e: white gives a contrast ratio of 16.17:1 and black gives 1.3:1. WCAG AA asks for at least 4.5:1 for body text.

### Is #151b4e a warm or cool color?

#151b4e is a cool color. In OKLCH its hue is 273 degrees, its lightness 25.3% and its chroma 0.093.