Color

#004ca3

#004ca3
hex#004ca3
rgbrgb(0, 76, 163)
hslhsl(212, 100%, 32%)
oklchoklch(0.432 0.155 257.3)
Closest name: Cascade Twilight (#234893)Relative luminance 0.0781

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a35700

#009ea3 · #0500a3

#a3004c · #4ca300

Split-complementary

Open in tool →

#a30500 · #9ea300

#a3009e · #a35700 · #00a305

Contrast

#004ca3 as textRatioAAAA largeAAAFix
Aaon white
8.19:1passpasspassPasses AAA — no fix needed.
Aaon black
2.56:1failfailfail
  • AA: use #0070f0 as the text (4.58:1)
  • AAA: use #3d98ff as the text (7.13:1)
  • AA: or shift the background to #c2c2c2 (4.6:1)
  • AAA: or shift the background to #f0f0f0 (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 #004ca3 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

#004ca3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #004ca3
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 #004ca3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/004ca3-9caac4-df564e-1f202d-e9f1f1?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