Color

#2533cb

#2533cb
hex#2533cb
rgbrgb(37, 51, 203)
hslhsl(235, 69%, 47%)
oklchoklch(0.434 0.228 268.7)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0707

Colors that go with #2533cb

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 →

#cbbd25

#2586cb · #6a25cb

#cb2533 · #33cb25

Split-complementary

Open in tool →

#cb6a25 · #86cb25

#cb2586 · #cbbd25 · #25cb6a

Contrast

#2533cb as textRatioAAAA largeAAAFix
Aaon white
8.7:1passpasspassPasses AAA — no fix needed.
Aaon black
2.41:1failfailfail
  • AA: use #606ae2 as the text (4.66:1)
  • AAA: use #868fe9 as the text (7.12:1)
  • AA: or shift the background to #bdbdbd (4.63:1)
  • AAA: or shift the background to #e8e8e8 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2533cb 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

#2533cb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2533cb
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 #2533cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2533cb-9e9cc4-df8d4e-241f2d-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