Gunmetal Navy color code: #253746

A hard industrial navy with strong grey content.

Slate Navy
#253746

Gunmetal Navy · rgb(37, 55, 70)

Every format for Gunmetal Navy

HEX
#253746
RGB
rgb(37, 55, 70)
HSL
hsl(207, 31%, 21%)
HSV
207°, 47%, 27%
CMYK
47%, 21%, 0%, 73%
Lightness
21% · dark

Hue sits at 207°, which makes Gunmetal Navy a slightly cool blue navy, with 31% saturation. In the Slate Navy family it reads as a dark option.

Text contrast on Gunmetal Navy

Contrast ratios are calculated using the WCAG 2.1 relative luminance formula. Normal body text needs 4.5:1 and large text needs 3:1 to pass AA.

White text on Gunmetal Navy

The quick brown fox jumps over the lazy dog.

12.26:1 — AAA for normal text

Black text on Gunmetal Navy

The quick brown fox jumps over the lazy dog.

1.71:1 — below AA, decorative use only

Gunmetal Navy text on white

The quick brown fox jumps over the lazy dog.

12.26:1 — AAA for normal text

Accessibility notes

  • Pair Gunmetal Navy with white text for the strongest reading experience: that combination gives 12.26:1.
  • Used as a text colour on white, it clears the 3:1 bar for large headings.
  • Never rely on Gunmetal Navy alone to communicate state. Add an icon, label or underline so the meaning survives for colour-blind users and in greyscale printing.
  • When placing text over a photograph tinted with Gunmetal Navy, add a solid overlay first. Contrast measured against a flat colour does not hold over varying imagery.

Using Gunmetal Navy in CSS and HTML

CSS example

:root {
  --gunmetal-navy: #253746;
}

.panel {
  background-color: var(--gunmetal-navy);
  color: #FFFFFF;
  border: 1px solid #253746;
}

HTML example

<div style="background-color: #253746; color: #FFFFFF; padding: 1rem;">
  Gunmetal Navy #253746
</div>

Common uses

  • Page and section backgrounds in dark interfaces, where it holds white text cleanly.
  • Slate Navy palettes for brand systems that need a dependable cool anchor.
  • Print work where a deep blue is preferred to black, using the CMYK build 47%, 21%, 0%, 73%.
  • Data visualisation, as one step in a lightness-based navy scale.

Design recommendations

  • Build lighter and darker variants by changing only the lightness in hsl(207, 31%, 21%). Keeping hue fixed is what makes a scale look intentional.
  • Give Gunmetal Navy at least one warm counterweight. A cool palette with no warm accent tends to read as cold rather than calm.
  • Saturation is moderate, which makes this shade forgiving across large areas and long reading sessions.

Complementary and matching colors

Each of these is derived from the hue, saturation and lightness of Gunmetal Navy. Click a swatch to copy it.

Complementary #826045
Split complement #824548
Warm accent #B5903B
Analogous cool #4C908C
Analogous warm #4C4F90
Triadic #6E3A57

Similar navy shades

Graphite Blue

Slate Navy

HEX
#2C3A47
RGB
44, 58, 71
HSL
209, 23%, 23%
CMYK
38%, 18%, 0%, 72%

Slate Navy

Slate Navy

HEX
#2F4156
RGB
47, 65, 86
HSL
212, 29%, 26%
CMYK
45%, 24%, 0%, 66%

Muted Navy

Slate Navy

HEX
#37475A
RGB
55, 71, 90
HSL
213, 24%, 28%
CMYK
39%, 21%, 0%, 65%

Storm Navy

Slate Navy

HEX
#3E4E62
RGB
62, 78, 98
HSL
213, 23%, 31%
CMYK
37%, 20%, 0%, 62%

Harbor Blue

Slate Navy

HEX
#33566E
RGB
51, 86, 110
HSL
204, 37%, 32%
CMYK
54%, 22%, 0%, 57%

Smoke Navy

Slate Navy

HEX
#45566B
RGB
69, 86, 107
HSL
213, 22%, 35%
CMYK
36%, 20%, 0%, 58%

Continue exploring

FAQs about Gunmetal Navy

What is the Gunmetal Navy color code?

The Gunmetal Navy color code is #253746 in HEX, rgb(37, 55, 70) in RGB and hsl(207, 31%, 21%) in HSL.

What is the RGB value of Gunmetal Navy?

Gunmetal Navy is rgb(37, 55, 70), meaning 37 units of red, 55 of green and 70 of blue on the 0 to 255 scale.

What is the CMYK value of Gunmetal Navy?

In CMYK, Gunmetal Navy converts to approximately 47%, 21%, 0%, 73%. Printed output will look slightly less saturated than the screen preview because CMYK covers a narrower gamut.

Does white text work on Gunmetal Navy?

White text on Gunmetal Navy gives a contrast ratio of 12.26:1, which is AAA for normal text.

Does black text work on Gunmetal Navy?

Black text on Gunmetal Navy gives a contrast ratio of 1.71:1, which is below AA, decorative use only.

Which colors go with Gunmetal Navy?

Its direct complement is #826045, and the warm accent #B5903B works well for calls to action. For a quieter scheme, pair it with the analogous blues listed above.

Is Gunmetal Navy a light or dark navy?

At 21% lightness, Gunmetal Navy is classed as a dark navy in this collection.