Color

#375a86

#375a86
hex#375a86
rgbrgb(55, 90, 134)
hslhsl(213, 42%, 37%)
oklchoklch(0.462 0.083 254.8)
Closest name: Deep Indigo (#4c567a)Relative luminance 0.0985

Tints & shades

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

Harmonies

Complementary

Open in tool →

#866237

#378286 · #3b3786

#86375a · #5a8637

Split-complementary

Open in tool →

#863b37 · #828637

#863782 · #866237 · #37863b

Contrast

#375a86 as textRatioAAAA largeAAAFix
Aaon white
7.07:1passpasspassPasses AAA — no fix needed.
Aaon black
2.97:1failfailfail
  • AA: use #4878b1 as the text (4.6:1)
  • AAA: use #759ac7 as the text (7.2:1)
  • AA: or shift the background to #cfcfcf (4.54:1)
  • AAA: or shift the background to #ffffff (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #375a86 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

#375a86 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #375a86
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 #375a86 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/375a86-9ca9c4-df584e-1f202d-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