Color

#0a01bc

#0a01bc
hex#0a01bc
rgbrgb(10, 1, 188)
hslhsl(243, 99%, 37%)
oklchoklch(0.362 0.247 265.4)
Closest name: mediumblue (#0000cd)Relative luminance 0.0372

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b2bc01

#0155bc · #6801bc

#bc0a01 · #01bc0a

Split-complementary

Open in tool →

#bc6801 · #55bc01

#bc0155 · #b2bc01 · #01bc68

Contrast

#0a01bc as textRatioAAAA largeAAAFix
Aaon white
12.05:1passpasspassPasses AAA — no fix needed.
Aaon black
1.74:1failfailfail
  • AA: use #655dfe as the text (4.55:1)
  • AAA: use #908afe as the text (7.25:1)
  • AA: or shift the background to #a1a1a1 (4.66:1)
  • AAA: or shift the background to #c7c7c7 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0a01bc 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

#0a01bc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0a01bc
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 #0a01bc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0a01bc-a39cc4-dfa04e-261f2d-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