Color

#0023bd

#0023bd
hex#0023bd
rgbrgb(0, 35, 189)
hslhsl(229, 100%, 37%)
oklchoklch(0.387 0.232 264.1)
Closest name: mediumblue (#0000cd)Relative luminance 0.0488

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bd9a00

#0081bd · #3c00bd

#bd0023 · #23bd00

Split-complementary

Open in tool →

#bd3c00 · #81bd00

#bd0081 · #bd9a00 · #00bd3c

Contrast

#0023bd as textRatioAAAA largeAAAFix
Aaon white
10.63:1passpasspassPasses AAA — no fix needed.
Aaon black
1.98:1failfailfail
  • AA: use #4265ff as the text (4.54:1)
  • AAA: use #758fff as the text (7.13:1)
  • AA: or shift the background to #ababab (4.63:1)
  • AAA: or shift the background to #d4d4d4 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0023bd 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

#0023bd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0023bd
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 #0023bd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0023bd-9c9fc4-df7e4e-231f2d-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