Color

#181963

#181963
hex#181963
rgbrgb(24, 25, 99)
hslhsl(239, 61%, 24%)
oklchoklch(0.273 0.126 273.6)
Closest name: Dying Storm Blue (#111166)Relative luminance 0.0179

Tints & shades

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

Harmonies

Complementary

Open in tool →

#636118

#183e63 · #3c1863

#631819 · #196318

Split-complementary

Open in tool →

#633c18 · #3e6318

#63183e · #636118 · #18633c

Contrast

#181963 as textRatioAAAA largeAAAFix
Aaon white
15.46:1passpasspassPasses AAA — no fix needed.
Aaon black
1.36:1failfailfail
  • AA: use #6769da as the text (4.61:1)
  • AAA: use #8c8de3 as the text (7.03:1)
  • AA: or shift the background to #8c8c8c (4.6:1)
  • AAA: or shift the background to #b0b0b0 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #181963 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

#181963 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #181963
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 #181963 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/181963-a09cc4-df964e-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