Color

#013ecb

#013ecb
hex#013ecb
rgbrgb(1, 62, 203)
hslhsl(222, 99%, 40%)
oklchoklch(0.443 0.223 263.1)
Closest name: Denim (#2243b6)Relative luminance 0.0776

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cb8e01

#01a3cb · #2901cb

#cb013e · #3ecb01

Split-complementary

Open in tool →

#cb2901 · #a3cb01

#cb01a3 · #cb8e01 · #01cb29

Contrast

#013ecb as textRatioAAAA largeAAAFix
Aaon white
8.23:1passpasspassPasses AAA — no fix needed.
Aaon black
2.55:1failfailfail
  • AA: use #2a69fe as the text (4.55:1)
  • AAA: use #6291fe as the text (7:1)
  • AA: or shift the background to #c2c2c2 (4.62:1)
  • AAA: or shift the background to #ededed (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #013ecb as the background.

Brands using this color

Fonts for this mood

#013ecb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #013ecb
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 #013ecb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/013ecb-9ca3c4-df6e4e-211f2d-e9eff1?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