Color

#3a767e

#3a767e
hex#3a767e
rgbrgb(58, 118, 126)
hslhsl(187, 37%, 36%)
oklchoklch(0.529 0.063 206.9)
Closest name: Calypso (#3d7188)Relative luminance 0.1536

Colors that go with #3a767e

Charcoal, Rust and Amber 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 →

#7e423a

#3a7e64 · #3a547e

#7e3a76 · #767e3a

Split-complementary

Open in tool →

#7e3a54 · #7e643a

#643a7e · #7e423a · #547e3a

Contrast

#3a767e as textRatioAAAA largeAAAFix
Aaon white
5.16:1passpassfail
  • AAA: use #2f5f65 as the text (7.13:1)
Aaon black
4.07:1failpassfail
  • AA: use #3f8088 as the text (4.65:1)
  • AAA: use #50a4af as the text (7.27:1)
  • AA: or shift the background to #f0f0f0 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3a767e 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

#3a767e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3a767e
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 #3a767e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a767e-a2b8be-df4e83-1f262d-e9f1ee?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