Color

#2a4d5b

#2a4d5b
hex#2a4d5b
rgbrgb(42, 77, 91)
hslhsl(197, 37%, 26%)
oklchoklch(0.4 0.047 225.9)
Closest name: Bluedgeons (#324c64)Relative luminance 0.0656

Colors that go with #2a4d5b

Steel Blue, Teal and Sienna 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 →

#5b382a

#2a5b50 · #2a345b

#5b2a4d · #4d5b2a

Split-complementary

Open in tool →

#5b2a34 · #5b502a

#502a5b · #5b382a · #345b2a

Contrast

#2a4d5b as textRatioAAAA largeAAAFix
Aaon white
9.09:1passpasspassPasses AAA — no fix needed.
Aaon black
2.31:1failfailfail
  • AA: use #437c93 as the text (4.54:1)
  • AAA: use #629fb7 as the text (7.16:1)
  • AA: or shift the background to #b8b8b8 (4.58:1)
  • AAA: or shift the background to #e3e3e3 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a4d5b as the background.

Brands using this color

Fonts for this mood

#2a4d5b reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a4d5b
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 #2a4d5b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a4d5b-9cb4c4-df4e6b-1f232d-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