Color

#379aeb

#379aeb
hex#379aeb
rgbrgb(55, 154, 235)
hslhsl(207, 82%, 57%)
oklchoklch(0.667 0.15 247.5)
Closest name: Fresh Blue of Bel Air (#069af3)Relative luminance 0.2992

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eb8837

#37ebe2 · #3740eb

#eb379a · #9aeb37

Split-complementary

Open in tool →

#eb3740 · #ebe237

#e237eb · #eb8837 · #40eb37

Contrast

#379aeb as textRatioAAAA largeAAAFix
Aaon white
3.01:1failpassfail
  • AA: use #1479cc as the text (4.53:1)
  • AAA: use #0f5b99 as the text (7.05:1)
  • AA: or shift the background to #2e2e2e (4.52:1)
Aaon black
6.98:1passpassfail
  • AAA: use #3c9dec as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #379aeb 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

#379aeb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #379aeb
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 #379aeb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/379aeb-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