Color

#374b95

#374b95
hex#374b95
rgbrgb(55, 75, 149)
hslhsl(227, 46%, 40%)
oklchoklch(0.437 0.123 269.4)
Closest name: Cascade Twilight (#234893)Relative luminance 0.0801

Tints & shades

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

Harmonies

Complementary

Open in tool →

#958137

#377a95 · #523795

#95374b · #4b9537

Split-complementary

Open in tool →

#955237 · #7a9537

#95377a · #958137 · #379552

Contrast

#374b95 as textRatioAAAA largeAAAFix
Aaon white
8.07:1passpasspassPasses AAA — no fix needed.
Aaon black
2.6:1failfailfail
  • AA: use #5b72c2 as the text (4.63:1)
  • AAA: use #8495d2 as the text (7.21:1)
  • AA: or shift the background to #c2c2c2 (4.53:1)
  • AAA: or shift the background to #f0f0f0 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #374b95 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

#374b95 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #374b95
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 #374b95 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/374b95-9ca0c4-df7a4e-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