Color

#2a659d

#2a659d
hex#2a659d
rgbrgb(42, 101, 157)
hslhsl(209, 58%, 39%)
oklchoklch(0.496 0.109 250)
Closest name: Chill of the Night (#256d8d)Relative luminance 0.1223

Colors that go with #2a659d

Charcoal, Crimson 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 →

#9d622a

#2a9d9b · #2a2c9d

#9d2a65 · #659d2a

Split-complementary

Open in tool →

#9d2a2c · #9d9b2a

#9b2a9d · #9d622a · #2c9d2a

Contrast

#2a659d as textRatioAAAA largeAAAFix
Aaon white
6.09:1passpassfail
  • AAA: use #255b8d as the text (7.1:1)
Aaon black
3.45:1failpassfail
  • AA: use #3178b9 as the text (4.52:1)
  • AAA: use #5e9bd4 as the text (7.12:1)
  • AA: or shift the background to #dedede (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a659d as the background.

Brands using this color

Fonts for this mood

#2a659d reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a659d
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 #2a659d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a659d-9cacc4-df4e4e-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