Color

#0813dd

#0813dd
hex#0813dd
rgbrgb(8, 19, 221)
hslhsl(237, 93%, 45%)
oklchoklch(0.415 0.274 264.9)
Closest name: Brutally Blue (#0022dd)Relative luminance 0.0574

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ddd308

#087ddd · #6808dd

#dd0813 · #13dd08

Split-complementary

Open in tool →

#dd6808 · #7ddd08

#dd087d · #ddd308 · #08dd68

Contrast

#0813dd as textRatioAAAA largeAAAFix
Aaon white
9.78:1passpasspassPasses AAA — no fix needed.
Aaon black
2.15:1failfailfail
  • AA: use #5d64f9 as the text (4.66:1)
  • AAA: use #848afb as the text (7.01:1)
  • AA: or shift the background to #b0b0b0 (4.51:1)
  • AAA: or shift the background to #dbdbdb (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0813dd 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

#0813dd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0813dd
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 #0813dd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0813dd-9f9cc4-df924e-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