Color

#375acd

#375acd
hex#375acd
rgbrgb(55, 90, 205)
hslhsl(226, 60%, 51%)
oklchoklch(0.511 0.183 266.9)
Closest name: God of Rain (#4466cc)Relative luminance 0.1253

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cdaa37

#37a5cd · #5f37cd

#cd375a · #5acd37

Split-complementary

Open in tool →

#cd5f37 · #a5cd37

#cd37a5 · #cdaa37 · #37cd5f

Contrast

#375acd as textRatioAAAA largeAAAFix
Aaon white
5.99:1passpassfail
  • AAA: use #2f50bc as the text (7.01:1)
Aaon black
3.51:1failpassfail
  • AA: use #506ed3 as the text (4.51:1)
  • AAA: use #7c93de as the text (7.09:1)
  • AA: or shift the background to #e0e0e0 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #375acd 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

#375acd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #375acd
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 #375acd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/375acd-9ca1c4-df774e-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