Color

#375fa9

#375fa9
hex#375fa9
rgbrgb(55, 95, 169)
hslhsl(219, 51%, 44%)
oklchoklch(0.495 0.127 261.6)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1186

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a98137

#3798a9 · #4837a9

#a9375f · #5fa937

Split-complementary

Open in tool →

#a94837 · #98a937

#a93798 · #a98137 · #37a948

Contrast

#375fa9 as textRatioAAAA largeAAAFix
Aaon white
6.23:1passpassfail
  • AAA: use #32569a as the text (7.16:1)
Aaon black
3.37:1failpassfail
  • AA: use #4a75c4 as the text (4.63:1)
  • AAA: use #7898d3 as the text (7.23:1)
  • AA: or shift the background to #dedede (4.63:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #375fa9 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

#375fa9 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #375fa9
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 #375fa9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/375fa9-9ca5c4-df664e-211f2d-e9f0f1?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