Color

#182fa5

#182fa5
hex#182fa5
rgbrgb(24, 47, 165)
hslhsl(230, 75%, 37%)
oklchoklch(0.382 0.189 266.9)
Closest name: Blue Hour (#0034ab)Relative luminance 0.0494

Colors that go with #182fa5

Midnight Blue, Royal Blue and Steel 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 #182fa5

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a58e18

#1876a5 · #4718a5

#a5182f · #2fa518

Split-complementary

Open in tool →

#a54718 · #76a518

#a51876 · #a58e18 · #18a547

Contrast

#182fa5 as textRatioAAAA largeAAAFix
Aaon white
10.56:1passpasspassPasses AAA — no fix needed.
Aaon black
1.99:1failfailfail
  • AA: use #516ae6 as the text (4.55:1)
  • AAA: use #7e90ed as the text (7.1:1)
  • AA: or shift the background to #ababab (4.6:1)
  • AAA: or shift the background to #d4d4d4 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #182fa5 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

#182fa5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #182fa5
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 #182fa5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/182fa5-9c9ec4-df814e-231f2d-e9eef1?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