Color

#2d5c8b

#2d5c8b
hex#2d5c8b
rgbrgb(45, 92, 139)
hslhsl(210, 51%, 36%)
oklchoklch(0.465 0.093 250.5)
Closest name: Blue Velvet (#0d6183)Relative luminance 0.1008

Colors that go with #2d5c8b

Charcoal, Sea Green 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 →

#8b5c2d

#2d8b8b · #2d2d8b

#8b2d5c · #5c8b2d

Split-complementary

Open in tool →

#8b2d2d · #8b8b2d

#8b2d8b · #8b5c2d · #2d8b2d

Contrast

#2d5c8b as textRatioAAAA largeAAAFix
Aaon white
6.96:1passpassfail
  • AAA: use #2c5987 as the text (7.28:1)
Aaon black
3.02:1failpassfail
  • AA: use #3b78b5 as the text (4.54:1)
  • AAA: use #699cce as the text (7.25:1)
  • AA: or shift the background to #d1d1d1 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d5c8b 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

#2d5c8b reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d5c8b
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 #2d5c8b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d5c8b-9cabc4-df514e-1f202d-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