Color

#152b70

#152b70
hex#152b70
rgbrgb(21, 43, 112)
hslhsl(225, 68%, 26%)
oklchoklch(0.32 0.123 266)
Closest name: Atlantic Navy (#13336f)Relative luminance 0.0306

Colors that go with #152b70

Charcoal, Steel Blue and Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#6f5915

#15596f · #2c156f

#6f152c · #2c6f15

Split-complementary

Open in tool →

#6f2c15 · #596f15

#6f1559 · #6f5915 · #156f2c

Contrast

#152b70 as textRatioAAAA largeAAAFix
Aaon white
13.03:1passpasspassPasses AAA — no fix needed.
Aaon black
1.61:1failfailfail
  • AA: use #4b6fdd as the text (4.62:1)
  • AAA: use #7692e5 as the text (7.01:1)
  • AA: or shift the background to #999999 (4.57:1)
  • AAA: or shift the background to #bfbfbf (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #152b70 as the background.

Brands using this color

Fonts for this mood

#152b70 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #152b70
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #152b70 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/152b70-9ca1c4-df754e-221f2d-e9eff1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md