Color

#388bc2

#388bc2
hex#388bc2
rgbrgb(56, 139, 194)
hslhsl(204, 55%, 49%)
oklchoklch(0.611 0.115 241.4)
Closest name: steelblue (#4682b4)Relative luminance 0.232

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c26f38

#38c2b4 · #3846c2

#c2388b · #8bc238

Split-complementary

Open in tool →

#c23846 · #c2b438

#b438c2 · #c26f38 · #46c238

Contrast

#388bc2 as textRatioAAAA largeAAAFix
Aaon white
3.72:1failpassfail
  • AA: use #317aaa as the text (4.67:1)
  • AAA: use #265d82 as the text (7.07:1)
  • AA: or shift the background to #1c1c1c (4.58:1)
Aaon black
5.64:1passpassfail
  • AAA: use #559dce 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 #388bc2 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

#388bc2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #388bc2
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 #388bc2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/388bc2-9cafc4-df4e5a-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