Color

#388ebc

#388ebc
hex#388ebc
rgbrgb(56, 142, 188)
hslhsl(201, 54%, 48%)
oklchoklch(0.615 0.107 235.8)
Closest name: steelblue (#4682b4)Relative luminance 0.2382

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bc6738

#38bca9 · #384cbc

#bc388e · #8ebc38

Split-complementary

Open in tool →

#bc384c · #bca938

#a938bc · #bc6738 · #4cbc38

Contrast

#388ebc as textRatioAAAA largeAAAFix
Aaon white
3.64:1failpassfail
  • AA: use #317ca5 as the text (4.61:1)
  • AAA: use #245c7a as the text (7.27:1)
  • AA: or shift the background to #1f1f1f (4.52:1)
Aaon black
5.76:1passpassfail
  • AAA: use #4e9fca as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #388ebc 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

#388ebc reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #388ebc
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 #388ebc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/388ebc-9cb1c4-df4e62-1f222d-e9f1f0?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