Color

#010bc1

#010bc1
hex#010bc1
rgbrgb(1, 11, 193)
hslhsl(237, 99%, 38%)
oklchoklch(0.372 0.25 264.3)
Closest name: mediumblue (#0000cd)Relative luminance 0.041

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c1b701

#016ac1 · #5701c1

#c1010b · #0bc101

Split-complementary

Open in tool →

#c15701 · #6ac101

#c1016a · #c1b701 · #01c157

Contrast

#010bc1 as textRatioAAAA largeAAAFix
Aaon white
11.54:1passpasspassPasses AAA — no fix needed.
Aaon black
1.82:1failfailfail
  • AA: use #5860fe as the text (4.52:1)
  • AAA: use #858bfe as the text (7.12:1)
  • AA: or shift the background to #a3a3a3 (4.58:1)
  • AAA: or shift the background to #cccccc (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #010bc1 as the background.

Brands using this color

Fonts for this mood

#010bc1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #010bc1
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 #010bc1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/010bc1-9f9cc4-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