Color

#124f7d

#124f7d
hex#124f7d
rgbrgb(18, 79, 125)
hslhsl(206, 75%, 28%)
oklchoklch(0.415 0.097 246.6)
Closest name: Beyond the Sea (#005784)Relative luminance 0.072

Colors that go with #124f7d

Crimson, Royal 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 #124f7d

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7d4012

#127d76 · #12197d

#7d124f · #4f7d12

Split-complementary

Open in tool →

#7d1219 · #7d7612

#76127d · #7d4012 · #197d12

Contrast

#124f7d as textRatioAAAA largeAAAFix
Aaon white
8.61:1passpasspassPasses AAA — no fix needed.
Aaon black
2.44:1failfailfail
  • AA: use #1b79c0 as the text (4.54:1)
  • AAA: use #3f9ce4 as the text (7.09:1)
  • AA: or shift the background to #bdbdbd (4.58:1)
  • AAA: or shift the background to #e8e8e8 (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 #124f7d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#124f7d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #124f7d
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 #124f7d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/124f7d-9caec4-df4e56-1f212d-e9f1f1?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