Color

#345e89

#345e89
hex#345e89
rgbrgb(52, 94, 137)
hslhsl(210, 45%, 37%)
oklchoklch(0.472 0.085 250.6)
Closest name: Blue Velvet (#0d6183)Relative luminance 0.1054

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#895e34

#348989 · #343489

#89345e · #5e8934

Split-complementary

Open in tool →

#893434 · #898934

#893489 · #895e34 · #348934

Contrast

#345e89 as textRatioAAAA largeAAAFix
Aaon white
6.76:1passpassfail
  • AAA: use #315981 as the text (7.3:1)
Aaon black
3.11:1failpassfail
  • AA: use #4278ae as the text (4.53:1)
  • AAA: use #6b99c7 as the text (7.01:1)
  • AA: or shift the background to #d4d4d4 (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 #345e89 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

#345e89 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #345e89
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #345e89 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/345e89-9cabc4-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