Color

#181fdc

#181fdc
hex#181fdc
rgbrgb(24, 31, 220)
hslhsl(238, 80%, 48%)
oklchoklch(0.426 0.265 266.6)
Closest name: Brutally Blue (#0022dd)Relative luminance 0.0634

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dcd618

#1881dc · #7418dc

#dc181f · #1fdc18

Split-complementary

Open in tool →

#dc7418 · #81dc18

#dc1881 · #dcd618 · #18dc74

Contrast

#181fdc as textRatioAAAA largeAAAFix
Aaon white
9.26:1passpasspassPasses AAA — no fix needed.
Aaon black
2.27:1failfailfail
  • AA: use #6368ee as the text (4.75:1)
  • AAA: use #888bf2 as the text (7.02:1)
  • AA: or shift the background to #b5b5b5 (4.52:1)
  • AAA: or shift the background to #e0e0e0 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #181fdc 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

#181fdc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #181fdc
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 #181fdc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/181fdc-9f9cc4-df944e-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