Color

#253f74

#253f74
hex#253f74
rgbrgb(37, 63, 116)
hslhsl(220, 52%, 30%)
oklchoklch(0.376 0.096 262.9)
Closest name: Aegean Blue (#1b416f)Relative luminance 0.0521

Tints & shades

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

Harmonies

Complementary

Open in tool →

#745a25

#256774 · #322574

#74253f · #3f7425

Split-complementary

Open in tool →

#743225 · #677425

#742567 · #745a25 · #257432

Contrast

#253f74 as textRatioAAAA largeAAAFix
Aaon white
10.28:1passpasspassPasses AAA — no fix needed.
Aaon black
2.04:1failfailfail
  • AA: use #4d75c7 as the text (4.68:1)
  • AAA: use #7796d4 as the text (7.1:1)
  • AA: or shift the background to #adadad (4.58:1)
  • AAA: or shift the background to #d6d6d6 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #253f74 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

#253f74 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #253f74
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 #253f74 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/253f74-9ca5c4-df694e-211f2d-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