Color

#427f8a

#427f8a
hex#427f8a
rgbrgb(66, 127, 138)
hslhsl(189, 35%, 40%)
oklchoklch(0.56 0.065 210.6)
Closest name: Bermuda (#1b7d8d)Relative luminance 0.1817

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8a4d42

#428a71 · #425b8a

#8a427f · #7f8a42

Split-complementary

Open in tool →

#8a425b · #8a7142

#71428a · #8a4d42 · #5b8a42

Contrast

#427f8a as textRatioAAAA largeAAAFix
Aaon white
4.53:1passpassfail
  • AAA: use #325f67 as the text (7.07:1)
Aaon black
4.63:1passpassfail
  • AAA: use #56a1ae as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #427f8a 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

#427f8a reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #427f8a
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 #427f8a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/427f8a-a2b7be-df4e7e-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