Color

#1010ea

#1010ea
hex#1010ea
rgbrgb(16, 16, 234)
hslhsl(240, 87%, 49%)
oklchoklch(0.432 0.287 265.4)
Closest name: Burning Ultrablue (#150aec)Relative luminance 0.0642

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eaea10

#107dea · #7d10ea

#ea1010 · #10ea10

Split-complementary

Open in tool →

#ea7d10 · #7dea10

#ea107d · #eaea10 · #10ea7d

Contrast

#1010ea as textRatioAAAA largeAAAFix
Aaon white
9.19:1passpasspassPasses AAA — no fix needed.
Aaon black
2.28:1failfailfail
  • AA: use #6262f4 as the text (4.57:1)
  • AAA: use #8d8df7 as the text (7.29:1)
  • AA: or shift the background to #b8b8b8 (4.63:1)
  • AAA: or shift the background to #e3e3e3 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1010ea as the background.

Brands using this color

Fonts for this mood

#1010ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1010ea
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 #1010ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1010ea-a19cc4-df994e-251f2d-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