Color

#12525e

#12525e
hex#12525e
rgbrgb(18, 82, 94)
hslhsl(189, 68%, 22%)
oklchoklch(0.406 0.064 213.4)
Closest name: Raging Thunderstorm (#004f63)Relative luminance 0.0697

Colors that go with #12525e

Steel Blue, Teal and Rust 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 →

#5e1d12

#125e44 · #122d5e

#5e1253 · #535e12

Split-complementary

Open in tool →

#5e122d · #5e4412

#44125e · #5e1d12 · #2d5e12

Contrast

#12525e as textRatioAAAA largeAAAFix
Aaon white
8.77:1passpasspassPasses AAA — no fix needed.
Aaon black
2.39:1failfailfail
  • AA: use #1c8092 as the text (4.55:1)
  • AAA: use #24a6bc as the text (7.26:1)
  • AA: or shift the background to #bababa (4.52:1)
  • AAA: or shift the background to #e6e6e6 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #12525e as the background.

Brands using this color

Fonts for this mood

#12525e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #12525e
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 #12525e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12525e-a2b7be-df4e7e-1f252d-e9f1ee?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