Color

#307aab

#307aab
hex#307aab
rgbrgb(48, 122, 171)
hslhsl(204, 56%, 43%)
oklchoklch(0.556 0.105 241.4)
Closest name: Blue Triumph (#4376ab)Relative luminance 0.1749

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ab6130

#30ab9f · #303dab

#ab307a · #7aab30

Split-complementary

Open in tool →

#ab303d · #ab9f30

#9f30ab · #ab6130 · #3dab30

Contrast

#307aab as textRatioAAAA largeAAAFix
Aaon white
4.67:1passpassfail
  • AAA: use #245b7f as the text (7.3:1)
Aaon black
4.5:1failpassfail
  • AA: use #317daf as the text (4.68:1)
  • AAA: use #549ecf as the text (7.17:1)
  • AA: or shift the background to #fcfcfc (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 #307aab 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

#307aab reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #307aab
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 #307aab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/307aab-9cafc4-df4e5a-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