Color

#0010eb

#0010eb
hex#0010eb
rgbrgb(0, 16, 235)
hslhsl(236, 100%, 46%)
oklchoklch(0.431 0.29 264.1)
Closest name: Burning Ultrablue (#150aec)Relative luminance 0.0637

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ebdb00

#0085eb · #6600eb

#eb0010 · #10eb00

Split-complementary

Open in tool →

#eb6600 · #85eb00

#eb0085 · #ebdb00 · #00eb66

Contrast

#0010eb as textRatioAAAA largeAAAFix
Aaon white
9.24:1passpasspassPasses AAA — no fix needed.
Aaon black
2.27:1failfailfail
  • AA: use #5762ff as the text (4.6:1)
  • AAA: use #858dff as the text (7.25:1)
  • AA: or shift the background to #b5b5b5 (4.5:1)
  • AAA: or shift the background to #e3e3e3 (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0010eb as the background.

Brands using this color

Fonts for this mood

#0010eb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0010eb
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 #0010eb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0010eb-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