Color

#376bfb

#376bfb
hex#376bfb
rgbrgb(55, 107, 251)
hslhsl(224, 96%, 60%)
oklchoklch(0.58 0.222 265)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.1829

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fbc737

#37cdfb · #6537fb

#fb376b · #6bfb37

Split-complementary

Open in tool →

#fb6537 · #cdfb37

#fb37cd · #fbc737 · #37fb65

Contrast

#376bfb as textRatioAAAA largeAAAFix
Aaon white
4.51:1passpassfail
  • AAA: use #0542eb as the text (7.03:1)
Aaon black
4.66:1passpassfail
  • AAA: use #6e94fc as the text (7.3:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #376bfb 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

#376bfb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #376bfb
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 #376bfb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/376bfb-9ca2c4-df724e-221f2d-e9eff1?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