Color

#003df5

#003df5
hex#003df5
rgbrgb(0, 61, 245)
hslhsl(225, 100%, 48%)
oklchoklch(0.486 0.272 263.8)
Closest name: C64 Blue (#003aff)Relative luminance 0.0993

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f5b800

#00b8f5 · #3d00f5

#f5003d · #3df500

Split-complementary

Open in tool →

#f53d00 · #b8f500

#f500b8 · #f5b800 · #00f53d

Contrast

#003df5 as textRatioAAAA largeAAAFix
Aaon white
7.03:1passpasspassPasses AAA — no fix needed.
Aaon black
2.99:1failfailfail
  • AA: use #386aff as the text (4.67:1)
  • AAA: use #6b90ff as the text (7.06:1)
  • AA: or shift the background to #cfcfcf (4.51:1)
  • AAA: or shift the background to #ffffff (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #003df5 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

#003df5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #003df5
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 #003df5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/003df5-9ca1c4-df754e-221f2d-e9eff1?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