Color

#152e75

#152e75
hex#152e75
rgbrgb(21, 46, 117)
hslhsl(224, 70%, 27%)
oklchoklch(0.331 0.126 265.2)
Closest name: Below the Surface (#0a2f7c)Relative luminance 0.034

Colors that go with #152e75

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 →

#755b15

#155f75 · #2b1575

#75152e · #2e7515

Split-complementary

Open in tool →

#752b15 · #5f7515

#75155f · #755b15 · #15752b

Contrast

#152e75 as textRatioAAAA largeAAAFix
Aaon white
12.5:1passpasspassPasses AAA — no fix needed.
Aaon black
1.68:1failfailfail
  • AA: use #456ede as the text (4.54:1)
  • AAA: use #7493e7 as the text (7.07:1)
  • AA: or shift the background to #9c9c9c (4.55:1)
  • AAA: or shift the background to #c2c2c2 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #152e75 as the background.

Brands using this color

Fonts for this mood

#152e75 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #152e75
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 #152e75 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/152e75-9ca2c4-df724e-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