Color

#2037cb

#2037cb
hex#2037cb
rgbrgb(32, 55, 203)
hslhsl(232, 73%, 46%)
oklchoklch(0.438 0.225 267.4)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0735

Colors that go with #2037cb

Charcoal, Sea Green and Steel 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 →

#cbb420

#208ccb · #5e20cb

#cb2037 · #37cb20

Split-complementary

Open in tool →

#cb5e20 · #8ccb20

#cb208c · #cbb420 · #20cb5e

Contrast

#2037cb as textRatioAAAA largeAAAFix
Aaon white
8.5:1passpasspassPasses AAA — no fix needed.
Aaon black
2.47:1failfailfail
  • AA: use #576ae5 as the text (4.6:1)
  • AAA: use #8391ec as the text (7.23:1)
  • AA: or shift the background to #bdbdbd (4.52:1)
  • AAA: or shift the background to #ebebeb (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2037cb as the background.

Brands using this color

Fonts for this mood

#2037cb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2037cb
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 #2037cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2037cb-9c9dc4-df864e-231f2d-e9eef1?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