Color

#0a2575

#0a2575
hex#0a2575
rgbrgb(10, 37, 117)
hslhsl(225, 84%, 25%)
oklchoklch(0.308 0.14 264.6)
Closest name: Below the Surface (#0a2f7c)Relative luminance 0.0267

Tints & shades

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

Harmonies

Complementary

Open in tool →

#755b0a

#0a5b75 · #250a75

#750a25 · #25750a

Split-complementary

Open in tool →

#75250a · #5b750a

#750a5b · #755b0a · #0a7525

Contrast

#0a2575 as textRatioAAAA largeAAAFix
Aaon white
13.69:1passpasspassPasses AAA — no fix needed.
Aaon black
1.53:1failfailfail
  • AA: use #3f6bee as the text (4.55:1)
  • AAA: use #7292f3 as the text (7.12:1)
  • AA: or shift the background to #949494 (4.51:1)
  • AAA: or shift the background to #bababa (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0a2575 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

#0a2575 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0a2575
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 #0a2575 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0a2575-9ca1c4-df754e-221f2d-e9eff1?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