Color

#1a30ff

#1a30ff
hex#1a30ff
rgbrgb(26, 48, 255)
hslhsl(234, 100%, 55%)
oklchoklch(0.486 0.29 266)
Closest name: C64 Blue (#003aff)Relative luminance 0.0955

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ffe81a

#1aa3ff · #751aff

#ff1a30 · #30ff1a

Split-complementary

Open in tool →

#ff751a · #a3ff1a

#ff1aa3 · #ffe81a · #1aff75

Contrast

#1a30ff as textRatioAAAA largeAAAFix
Aaon white
7.21:1passpasspassPasses AAA — no fix needed.
Aaon black
2.91:1failfailfail
  • AA: use #5263ff as the text (4.59:1)
  • AAA: use #808cff as the text (7.11:1)
  • AA: or shift the background to #cfcfcf (4.63:1)
  • AAA: or shift the background to #fcfcfc (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 #1a30ff as the background.

Brands using this color

Fonts for this mood

#1a30ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1a30ff
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 #1a30ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1a30ff-9d9cc4-df8a4e-241f2d-e9eef1?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