Color

#3984a2

#3984a2
hex#3984a2
rgbrgb(57, 132, 162)
hslhsl(197, 48%, 43%)
oklchoklch(0.579 0.087 227.5)
Closest name: Ahoy! Blue (#0082a1)Relative luminance 0.1998

Colors that go with #3984a2

Charcoal, Copper and Crimson 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 →

#a25739

#39a28b · #3950a2

#a23984 · #84a239

Split-complementary

Open in tool →

#a23950 · #a28b39

#8b39a2 · #a25739 · #50a239

Contrast

#3984a2 as textRatioAAAA largeAAAFix
Aaon white
4.2:1failpassfail
  • AA: use #367e9b as the text (4.55:1)
  • AAA: use #295f75 as the text (7.03:1)
  • AA: or shift the background to #0f0f0f (4.56:1)
Aaon black
5:1passpassfail
  • AAA: use #4ea0c1 as the text (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 #3984a2 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#3984a2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3984a2
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 #3984a2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3984a2-9cb4c4-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