Color

#042149

#042149
hex#042149
rgbrgb(4, 33, 73)
hslhsl(215, 90%, 15%)
oklchoklch(0.254 0.082 257.4)
Closest name: Dark Eclipse (#112244)Relative luminance 0.0159

Tints & shades

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

Harmonies

Complementary

Open in tool →

#492c04

#044349 · #0a0449

#490421 · #214904

Split-complementary

Open in tool →

#490a04 · #434904

#490443 · #492c04 · #04490a

Contrast

#042149 as textRatioAAAA largeAAAFix
Aaon white
15.92:1passpasspassPasses AAA — no fix needed.
Aaon black
1.32:1failfailfail
  • AA: use #126ff3 as the text (4.59:1)
  • AAA: use #5598f6 as the text (7.21:1)
  • AA: or shift the background to #8a8a8a (4.61:1)
  • AAA: or shift the background to #adadad (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #042149 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

#042149 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #042149
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 #042149 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/042149-9ca8c4-df5d4e-201f2d-e9f0f1?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