Color

#125159

#125159
hex#125159
rgbrgb(18, 81, 89)
hslhsl(187, 66%, 21%)
oklchoklch(0.401 0.062 207.6)
Closest name: Raging Thunderstorm (#004f63)Relative luminance 0.0673

Colors that go with #125159

Crimson, Steel Blue and Teal 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 →

#591a12

#12593e · #122d59

#591251 · #515912

Split-complementary

Open in tool →

#59122d · #593e12

#3e1259 · #591a12 · #2d5912

Contrast

#125159 as textRatioAAAA largeAAAFix
Aaon white
8.95:1passpasspassPasses AAA — no fix needed.
Aaon black
2.35:1failfailfail
  • AA: use #1d8390 as the text (4.7:1)
  • AAA: use #25a5b6 as the text (7.14:1)
  • AA: or shift the background to #b8b8b8 (4.51:1)
  • AAA: or shift the background to #e6e6e6 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #125159 as the background.

Brands using this color

Fonts for this mood

#125159 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #125159
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 #125159 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/125159-a2b8be-df4e83-1f262d-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