Color

#1304e7

#1304e7
hex#1304e7
rgbrgb(19, 4, 231)
hslhsl(244, 97%, 46%)
oklchoklch(0.424 0.287 265.8)
Closest name: Burning Ultrablue (#150aec)Relative luminance 0.0599

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d8e704

#0466e7 · #8404e7

#e71304 · #04e713

Split-complementary

Open in tool →

#e78404 · #66e704

#e70466 · #d8e704 · #04e784

Contrast

#1304e7 as textRatioAAAA largeAAAFix
Aaon white
9.55:1passpasspassPasses AAA — no fix needed.
Aaon black
2.2:1failfailfail
  • AA: use #695efd as the text (4.62:1)
  • AAA: use #938bfd as the text (7.35:1)
  • AA: or shift the background to #b3b3b3 (4.55:1)
  • AAA: or shift the background to #dedede (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1304e7 as the background.

Brands using this color

Fonts for this mood

#1304e7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1304e7
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 #1304e7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1304e7-a39cc4-dfa24e-261f2d-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