Color

#1818dc

#1818dc
hex#1818dc
rgbrgb(24, 24, 220)
hslhsl(240, 80%, 48%)
oklchoklch(0.421 0.269 266.7)
Closest name: Brutally Blue (#0022dd)Relative luminance 0.0601

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dcdc18

#187adc · #7a18dc

#dc1818 · #18dc18

Split-complementary

Open in tool →

#dc7a18 · #7adc18

#dc187a · #dcdc18 · #18dc7a

Contrast

#1818dc as textRatioAAAA largeAAAFix
Aaon white
9.53:1passpasspassPasses AAA — no fix needed.
Aaon black
2.2:1failfailfail
  • AA: use #6363ee as the text (4.55:1)
  • AAA: use #8c8cf2 as the text (7.15:1)
  • AA: or shift the background to #b3b3b3 (4.55:1)
  • AAA: or shift the background to #dedede (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1818dc 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

#1818dc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1818dc
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 #1818dc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1818dc-a19cc4-df994e-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