Color

#00124d

#00124d
hex#00124d
rgbrgb(0, 18, 77)
hslhsl(226, 100%, 15%)
oklchoklch(0.221 0.111 263)
Closest name: Interstellar Blue (#001155)Relative luminance 0.0097

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4d3b00

#00384d · #14004d

#4d0012 · #124d00

Split-complementary

Open in tool →

#4d1400 · #384d00

#4d0038 · #4d3b00 · #004d14

Contrast

#00124d as textRatioAAAA largeAAAFix
Aaon white
17.59:1passpasspassPasses AAA — no fix needed.
Aaon black
1.19:1failfailfail
  • AA: use #3867ff as the text (4.55:1)
  • AAA: use #7092ff as the text (7.24:1)
  • AA: or shift the background to #828282 (4.58:1)
  • AAA: or shift the background to #a6a6a6 (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #00124d 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

#00124d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #00124d
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 #00124d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/00124d-9ca1c4-df774e-221f2d-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