Color

#427e8a

#427e8a
hex#427e8a
rgbrgb(66, 126, 138)
hslhsl(190, 35%, 40%)
oklchoklch(0.558 0.065 212.2)
Closest name: Bermuda (#1b7d8d)Relative luminance 0.1791

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8a4e42

#428a72 · #425a8a

#8a427e · #7e8a42

Split-complementary

Open in tool →

#8a425a · #8a7242

#72428a · #8a4e42 · #5a8a42

Contrast

#427e8a as textRatioAAAA largeAAAFix
Aaon white
4.58:1passpassfail
  • AAA: use #325e67 as the text (7.16:1)
Aaon black
4.58:1passpassfail
  • AAA: use #5aa1af as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #427e8a 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

#427e8a reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #427e8a
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 #427e8a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/427e8a-a2b6be-df4e7c-1f252d-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