Color

#245c66

#245c66
hex#245c66
rgbrgb(36, 92, 102)
hslhsl(189, 48%, 27%)
oklchoklch(0.442 0.06 211.1)
Closest name: Arctic Nights (#345c61)Relative luminance 0.0899

Colors that go with #245c66

Steel Blue, Rust and 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 #245c66

Tints & shades

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

Harmonies

Complementary

Open in tool →

#662e24

#24664f · #243b66

#66245c · #5c6624

Split-complementary

Open in tool →

#66243b · #664f24

#4f2466 · #662e24 · #3b6624

Contrast

#245c66 as textRatioAAAA largeAAAFix
Aaon white
7.51:1passpasspassPasses AAA — no fix needed.
Aaon black
2.8:1failfailfail
  • AA: use #32818f as the text (4.67:1)
  • AAA: use #40a4b5 as the text (7.2:1)
  • AA: or shift the background to #c9c9c9 (4.53:1)
  • AAA: or shift the background to #f7f7f7 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #245c66 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

#245c66 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #245c66
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 #245c66 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/245c66-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