brandsweets

Color

#307e91

#307e91
hex#307e91
rgbrgb(48, 126, 145)
hslhsl(192, 50%, 38%)
oklchoklch(0.553 0.08 216.8)
Closest name: Bermuda (#1b7d8d)Relative luminance 0.1759
CoolModern
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
307e91914430

#914430

Analogous

Open in tool →
307e91309174304e91

#309174 · #304e91

Triadic

Open in tool →
307e9191307e7e9130

#91307e · #7e9130

Split-complementary

Open in tool →
307e9191304e917430

#91304e · #917430

Tetradic

Open in tool →
307e917430919144304e9130

#743091 · #914430 · #4e9130

Contrast

#307e91 as textRatioAAAA largeAAAFix
Aaon white
4.65:1passpassfail
  • AAA: use #25606f as the text (7.04:1)
Aaon black
4.52:1passpassfail
  • AAA: use #3ea2bb as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #307e91 as the background.

Brands using this color

Fonts for this mood

#307e91 reads as cool, modern. The font library is tagged with the same vocabulary:

Modern fonts →
mcpConnect your agent — build around #307e91
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 #307e91 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/307e91-a2b5be-df4e77-1f242d-e9f1ef?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