Color

#319aaa

#319aaa
hex#319aaa
rgbrgb(49, 154, 170)
hslhsl(188, 55%, 43%)
oklchoklch(0.634 0.095 209.7)
Closest name: Baltic (#279d9f)Relative luminance 0.2667

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aa4131

#31aa7e · #315eaa

#aa319a · #9aaa31

Split-complementary

Open in tool →

#aa315e · #aa7e31

#7e31aa · #aa4131 · #5eaa31

Contrast

#319aaa as textRatioAAAA largeAAAFix
Aaon white
3.32:1failpassfail
  • AA: use #29818e as the text (4.54:1)
  • AAA: use #1f616b as the text (7.05:1)
  • AA: or shift the background to #262626 (4.56:1)
Aaon black
6.33:1passpassfail
  • AAA: use #35a5b6 as the text (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #319aaa 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

#319aaa reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #319aaa
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 #319aaa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/319aaa-a2b7be-df4e81-1f252d-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