Color

#2378be

#2378be
hex#2378be
rgbrgb(35, 120, 190)
hslhsl(207, 69%, 44%)
oklchoklch(0.558 0.134 248.3)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1751

Tints & shades

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

Harmonies

Complementary

Open in tool →

#be6823

#23beb6 · #232bbe

#be2378 · #78be23

Split-complementary

Open in tool →

#be232b · #beb623

#b623be · #be6823 · #2bbe23

Contrast

#2378be as textRatioAAAA largeAAAFix
Aaon white
4.67:1passpassfail
  • AAA: use #1a5a8e as the text (7.25:1)
Aaon black
4.5:1passpassfail
  • AAA: use #4a9bde as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2378be as the background.

Brands using this color

Fonts for this mood

#2378be reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2378be
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 #2378be and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2378be-9cadc4-df4e53-1f212d-e9f1f1?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