Color

#252b8d

#252b8d
hex#252b8d
rgbrgb(37, 43, 141)
hslhsl(237, 58%, 35%)
oklchoklch(0.356 0.159 272.4)
Closest name: Deep Space Royal (#223382)Relative luminance 0.0404

Colors that go with #252b8d

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 →

#8d8825

#255e8d · #54258d

#8d252b · #2b8d25

Split-complementary

Open in tool →

#8d5425 · #5e8d25

#8d255e · #8d8825 · #258d54

Contrast

#252b8d as textRatioAAAA largeAAAFix
Aaon white
11.61:1passpasspassPasses AAA — no fix needed.
Aaon black
1.81:1failfailfail
  • AA: use #666cd6 as the text (4.68:1)
  • AAA: use #8a8ee0 as the text (7.03:1)
  • AA: or shift the background to #a3a3a3 (4.6:1)
  • AAA: or shift the background to #c9c9c9 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #252b8d 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

#252b8d reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #252b8d
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 #252b8d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/252b8d-9f9cc4-df924e-251f2d-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