Color

#003db8

#003db8
hex#003db8
rgbrgb(0, 61, 184)
hslhsl(220, 100%, 36%)
oklchoklch(0.421 0.201 262.4)
Closest name: Denim (#2243b6)Relative luminance 0.068

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b87a00

#0099b8 · #1f00b8

#b8003d · #3db800

Split-complementary

Open in tool →

#b81f00 · #99b800

#b80099 · #b87a00 · #00b81f

Contrast

#003db8 as textRatioAAAA largeAAAFix
Aaon white
8.9:1passpasspassPasses AAA — no fix needed.
Aaon black
2.36:1failfailfail
  • AA: use #1f69ff as the text (4.52:1)
  • AAA: use #5c92ff as the text (7.01:1)
  • AA: or shift the background to #bababa (4.59:1)
  • AAA: or shift the background to #e6e6e6 (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 #003db8 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

#003db8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #003db8
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 #003db8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/003db8-9ca5c4-df694e-211f2d-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