Color

#37357e

#37357e
hex#37357e
rgbrgb(55, 53, 126)
hslhsl(242, 41%, 35%)
oklchoklch(0.374 0.12 280.1)
Closest name: Evening Magic (#363e7d)Relative luminance 0.0486

Colors that go with #37357e

Charcoal, Steel Blue and Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7b7e35

#35577e · #5c357e

#7e3735 · #357e37

Split-complementary

Open in tool →

#7e5c35 · #577e35

#7e3557 · #7b7e35 · #357e5c

Contrast

#37357e as textRatioAAAA largeAAAFix
Aaon white
10.64:1passpasspassPasses AAA — no fix needed.
Aaon black
1.97:1failfailfail
  • AA: use #6e6cc1 as the text (4.58:1)
  • AAA: use #9290d0 as the text (7.12:1)
  • AA: or shift the background to #ababab (4.64:1)
  • AAA: or shift the background to #d4d4d4 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #37357e 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

#37357e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #37357e
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #37357e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37357e-a29cc4-df9e4e-261f2d-e9edf1?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