Color

#427cc2

#427cc2
hex#427cc2
rgbrgb(66, 124, 194)
hslhsl(213, 51%, 51%)
oklchoklch(0.58 0.124 254.4)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1947

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c28842

#42bbc2 · #4942c2

#c2427c · #7cc242

Split-complementary

Open in tool →

#c24942 · #bbc242

#c242bb · #c28842 · #42c249

Contrast

#427cc2 as textRatioAAAA largeAAAFix
Aaon white
4.29:1failpassfail
  • AA: use #3d77bd as the text (4.59:1)
  • AAA: use #2e5a8e as the text (7.07:1)
  • AA: or shift the background to #0d0d0d (4.53:1)
Aaon black
4.89:1passpassfail
  • AAA: use #6d99d0 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #427cc2 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

#427cc2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #427cc2
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 #427cc2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/427cc2-9ca9c4-df584e-1f202d-e9f0f1?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