Color

#003157

#003157
hex#003157
rgbrgb(0, 49, 87)
hslhsl(206, 100%, 17%)
oklchoklch(0.306 0.084 248.5)
Closest name: Beyond the Stars (#0a3251)Relative luminance 0.0288

Tints & shades

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

Harmonies

Complementary

Open in tool →

#572600

#005751 · #000657

#570031 · #315700

Split-complementary

Open in tool →

#570006 · #575100

#510057 · #572600 · #065700

Contrast

#003157 as textRatioAAAA largeAAAFix
Aaon white
13.32:1passpasspassPasses AAA — no fix needed.
Aaon black
1.58:1failfailfail
  • AA: use #0076d1 as the text (4.51:1)
  • AAA: use #1499ff as the text (7.03:1)
  • AA: or shift the background to #969696 (4.5:1)
  • AAA: or shift the background to #bdbdbd (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #003157 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

#003157 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #003157
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 #003157 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/003157-9caec4-df4e56-1f212d-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