# #151b4d color: Tetsu-Kon Blue

#151b4d is rgb(21, 27, 77) in RGB and oklch(25.185% 0.09161 272.751) in OKLCH. Every other format, shade and contrast value is below.

Source: https://pickshade.com/color/151b4d

## Formats

| Format | Value |
| --- | --- |
| HEX | #151b4d |
| RGB | rgb(21, 27, 77) |
| HSL | hsl(233.57, 57.14%, 19.22%) |
| HSB / HSV | hsv(233.57 72.73% 30.2%) |
| HWB | hwb(233.57 8.24% 69.8%) |
| CMYK | cmyk(73% 65% 0% 70%) |
| Lab | lab(11.97 12.33 -32.45) |
| LCH | lch(11.97 34.71 290.8) |
| OKLab | oklab(25.185% 0.0044 -0.09151) |
| OKLCH | oklch(25.185% 0.09161 272.751) |
| Display P3 | color(display-p3 0.08693 0.10518 0.29023) |
| Rec. 2020 | color(rec2020 0.05188 0.05148 0.22763) |
| Adobe RGB | color(a98-rgb 0.11433 0.12844 0.30154) |
| ProPhoto RGB | color(prophoto-rgb 0.10739 0.08726 0.22024) |
| Linear sRGB | color(srgb-linear 0.0075 0.01096 0.07421) |
| XYZ D65 | color(xyz-d65 0.02041 0.01479 0.07199) |
| XYZ D50 | color(xyz-d50 0.01811 0.01402 0.05416) |
| SwiftUI | Color(red: 0.082, green: 0.106, blue: 0.302) |
| UIKit | UIColor(red: 0.082, green: 0.106, blue: 0.302, alpha: 1) |
| Flutter / Compose | Color(0xFF151B4D) |
| Android XML | #151B4D |

## 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: 16.21:1
- Contrast with black: 1.3:1

## Tints

#151b4d, #27305e, #3b4570, #505a81, #677093, #7e87a4, #979eb6, #b0b5c8, #cacdda, #e4e6ed

## Shades

#151b4d, #111642, #0c1137, #080c2c, #050822, #030518, #02020f, #010107, #000002, #000000

## Tones

#151b4d, #161c49, #171e45, #181f40, #19203c, #1b2038, #1c2134, #1e212f, #1f222b, #202227

## Harmonies

- Complementary: #151b4d, #2e2000
- Split: #151b4d, #3b1600, #1b2700
- Analogous: #151b4d, #002449, #2b1345
- Triadic: #151b4d, #440801, #002d09
- Tetradic: #151b4d, #3a0b35, #2e2000, #002d09
- Square: #151b4d, #42061e, #2e2000, #002b25
- Monochromatic: #151b4d, #030028, #03002c, #313b70, #505d95

## Questions about #151b4d

### What color is #151b4d?

#151b4d is soft very dark indigo. The closest named color is Tetsu-Kon Blue. In RGB it is rgb(21, 27, 77), in HSL hsl(233.57, 57.14%, 19.22%) and in OKLCH oklch(25.185% 0.09161 272.751).

### What colors go well with #151b4d?

The complementary color of #151b4d is #2e2000. For a calmer combination use the analogous colors #002449 and #2b1345. The triadic partners are #440801 and #002d09.

### Is white or black text more readable on #151b4d?

White text reads better on #151b4d: white gives a contrast ratio of 16.21:1 and black gives 1.3:1. WCAG AA asks for at least 4.5:1 for body text.

### Is #151b4d a warm or cool color?

#151b4d is a cool color. In OKLCH its hue is 273 degrees, its lightness 25.2% and its chroma 0.092.