Color

#274fa0

#274fa0
hex#274fa0
rgbrgb(39, 79, 160)
hslhsl(220, 61%, 39%)
oklchoklch(0.446 0.139 262.5)
Closest name: Blue Chip (#1d5699)Relative luminance 0.0856

Colors that go with #274fa0

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a07827

#278ca0 · #3b27a0

#a0274f · #4fa027

Split-complementary

Open in tool →

#a03b27 · #8ca027

#a0278c · #a07827 · #27a03b

Contrast

#274fa0 as textRatioAAAA largeAAAFix
Aaon white
7.74:1passpasspassPasses AAA — no fix needed.
Aaon black
2.71:1failfailfail
  • AA: use #4272d1 as the text (4.56:1)
  • AAA: use #7397dd as the text (7.2:1)
  • AA: or shift the background to #c7c7c7 (4.58:1)
  • AAA: or shift the background to #f5f5f5 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #274fa0 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

#274fa0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #274fa0
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 #274fa0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/274fa0-9ca5c4-df694e-211f2d-e9f0f1?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