Color

#12635e

#12635e
hex#12635e
rgbrgb(18, 99, 94)
hslhsl(176, 69%, 23%)
oklchoklch(0.453 0.073 188.5)
Closest name: Mosque (#005f5b)Relative luminance 0.0986

Colors that go with #12635e

Crimson, Blue and Cadet 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.

Real palettes that use #12635e

Tints & shades

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

Harmonies

Complementary

Open in tool →

#631218

#126335 · #124063

#5e1263 · #635e12

Split-complementary

Open in tool →

#631240 · #633512

#351263 · #631218 · #406312

Contrast

#12635e as textRatioAAAA largeAAAFix
Aaon white
7.07:1passpasspassPasses AAA — no fix needed.
Aaon black
2.97:1failfailfail
  • AA: use #19867e as the text (4.75:1)
  • AAA: use #1fa89f as the text (7.16:1)
  • AA: or shift the background to #cfcfcf (4.54:1)
  • AAA: or shift the background to #ffffff (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #12635e as the background.

Brands using this color

Fonts for this mood

#12635e reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #12635e
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 #12635e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12635e-a2bdbe-d4599d-1f282d-e9f1ed?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