Color

#11284f

#11284f
hex#11284f
rgbrgb(17, 40, 79)
hslhsl(218, 65%, 19%)
oklchoklch(0.282 0.077 260.3)
Closest name: Midnight Ocean (#0f2d4d)Relative luminance 0.022

Tints & shades

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

Harmonies

Complementary

Open in tool →

#503911

#114850 · #191150

#501128 · #285011

Split-complementary

Open in tool →

#501911 · #485011

#501148 · #503911 · #115019

Contrast

#11284f as textRatioAAAA largeAAAFix
Aaon white
14.58:1passpasspassPasses AAA — no fix needed.
Aaon black
1.44:1failfailfail
  • AA: use #3972d5 as the text (4.54:1)
  • AAA: use #6c96e0 as the text (7.08:1)
  • AA: or shift the background to #8f8f8f (4.51:1)
  • AAA: or shift the background to #b5b5b5 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #11284f as the background.

Brands using this color

Fonts for this mood

#11284f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #11284f
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 #11284f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/11284f-9ca6c4-df644e-201f2d-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