Color

#010bd0

#010bd0
hex#010bd0
rgbrgb(1, 11, 208)
hslhsl(237, 99%, 41%)
oklchoklch(0.393 0.265 264.2)
Closest name: mediumblue (#0000cd)Relative luminance 0.048

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d0c601

#0173d0 · #5e01d0

#d0010b · #0bd001

Split-complementary

Open in tool →

#d05e01 · #73d001

#d00173 · #d0c601 · #01d05e

Contrast

#010bd0 as textRatioAAAA largeAAAFix
Aaon white
10.71:1passpasspassPasses AAA — no fix needed.
Aaon black
1.96:1failfailfail
  • AA: use #5860fe as the text (4.52:1)
  • AAA: use #858bfe as the text (7.12:1)
  • AA: or shift the background to #a8a8a8 (4.51:1)
  • AAA: or shift the background to #d1d1d1 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #010bd0 as the background.

Brands using this color

Fonts for this mood

#010bd0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #010bd0
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 #010bd0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/010bd0-9f9cc4-df924e-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