Color

#1a28ea

#1a28ea
hex#1a28ea
rgbrgb(26, 40, 234)
hslhsl(236, 83%, 51%)
oklchoklch(0.453 0.274 266.5)
Closest name: Bluebonnet (#1c1cf0)Relative luminance 0.0768

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eadc1a

#1a90ea · #741aea

#ea1a28 · #28ea1a

Split-complementary

Open in tool →

#ea741a · #90ea1a

#ea1a90 · #eadc1a · #1aea74

Contrast

#1a28ea as textRatioAAAA largeAAAFix
Aaon white
8.28:1passpasspassPasses AAA — no fix needed.
Aaon black
2.54:1failfailfail
  • AA: use #5c66f0 as the text (4.61:1)
  • AAA: use #868df4 as the text (7.13:1)
  • AA: or shift the background to #bfbfbf (4.5:1)
  • AAA: or shift the background to #ededed (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1a28ea 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

#1a28ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1a28ea
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 #1a28ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1a28ea-9e9cc4-df8f4e-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