Color

#12424f

#12424f
hex#12424f
rgbrgb(18, 66, 79)
hslhsl(193, 63%, 19%)
oklchoklch(0.354 0.055 219.6)
Closest name: Cold and Dark (#154250)Relative luminance 0.0459

Colors that go with #12424f

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 →

#4f1f12

#124f3e · #12234f

#4f1242 · #424f12

Split-complementary

Open in tool →

#4f1223 · #4f3e12

#3e124f · #4f1f12 · #234f12

Contrast

#12424f as textRatioAAAA largeAAAFix
Aaon white
10.95:1passpasspassPasses AAA — no fix needed.
Aaon black
1.92:1failfailfail
  • AA: use #23809a as the text (4.63:1)
  • AAA: use #2ca3c3 as the text (7.13:1)
  • AA: or shift the background to #a8a8a8 (4.6:1)
  • AAA: or shift the background to #cfcfcf (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 #12424f as the background.

Brands using this color

Fonts for this mood

#12424f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #12424f
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 #12424f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12424f-a2b5be-df4e75-1f242d-e9f1ef?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