Color

#345e79

#345e79
hex#345e79
rgbrgb(52, 94, 121)
hslhsl(203, 40%, 34%)
oklchoklch(0.463 0.064 238.5)
Closest name: Atlantis (#336172)Relative luminance 0.1012

Tints & shades

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

Harmonies

Complementary

Open in tool →

#794f34

#347971 · #343c79

#79345f · #5f7934

Split-complementary

Open in tool →

#79343c · #797134

#713479 · #794f34 · #3c7934

Contrast

#345e79 as textRatioAAAA largeAAAFix
Aaon white
6.95:1passpassfail
  • AAA: use #325c76 as the text (7.17:1)
Aaon black
3.02:1failpassfail
  • AA: use #437b9d as the text (4.56:1)
  • AAA: use #659cbd as the text (7.04:1)
  • AA: or shift the background to #d1d1d1 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #345e79 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

#345e79 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #345e79
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 #345e79 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/345e79-9cb0c4-df4e5d-1f222d-e9f1f0?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