Color

#0a4c8a

#0a4c8a
hex#0a4c8a
rgbrgb(10, 76, 138)
hslhsl(209, 86%, 29%)
oklchoklch(0.415 0.12 252.7)
Closest name: Cascade Twilight (#234893)Relative luminance 0.0707

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8a480a

#0a8a87 · #0a0c8a

#8a0a4c · #4c8a0a

Split-complementary

Open in tool →

#8a0a0c · #8a870a

#870a8a · #8a480a · #0c8a0a

Contrast

#0a4c8a as textRatioAAAA largeAAAFix
Aaon white
8.7:1passpasspassPasses AAA — no fix needed.
Aaon black
2.41:1failfailfail
  • AA: use #1076d5 as the text (4.57:1)
  • AAA: use #3d99f0 as the text (7.01:1)
  • 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 #0a4c8a 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

#0a4c8a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0a4c8a
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 #0a4c8a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0a4c8a-9cacc4-df4e4e-1f212d-e9f1f1?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