Color

#37527b

#37527b
hex#37527b
rgbrgb(55, 82, 123)
hslhsl(216, 38%, 35%)
oklchoklch(0.436 0.076 258.5)
Closest name: Assassin (#2d4f83)Relative luminance 0.0828

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7b6037

#37747b · #3e377b

#7b3752 · #527b37

Split-complementary

Open in tool →

#7b3e37 · #747b37

#7b3774 · #7b6037 · #377b3e

Contrast

#37527b as textRatioAAAA largeAAAFix
Aaon white
7.91:1passpasspassPasses AAA — no fix needed.
Aaon black
2.66:1failfailfail
  • AA: use #4f76b0 as the text (4.55:1)
  • AAA: use #7997c3 as the text (7.03:1)
  • AA: or shift the background to #c4c4c4 (4.53:1)
  • AAA: or shift the background to #f2f2f2 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #37527b 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

#37527b reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #37527b
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 #37527b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37527b-9ca7c4-df5f4e-201f2d-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