Color

#153a56

#153a56
hex#153a56
rgbrgb(21, 58, 86)
hslhsl(206, 61%, 21%)
oklchoklch(0.336 0.065 244.5)
Closest name: Maniac Mansion (#004058)Relative luminance 0.0386

Tints & shades

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

Harmonies

Complementary

Open in tool →

#563115

#155652 · #151956

#56153a · #3a5615

Split-complementary

Open in tool →

#561519 · #565215

#521556 · #563115 · #195615

Contrast

#153a56 as textRatioAAAA largeAAAFix
Aaon white
11.85:1passpasspassPasses AAA — no fix needed.
Aaon black
1.77:1failfailfail
  • AA: use #2c79b5 as the text (4.51:1)
  • AAA: use #539dd5 as the text (7.15:1)
  • AA: or shift the background to #a1a1a1 (4.59:1)
  • AAA: or shift the background to #c7c7c7 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #153a56 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

#153a56 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #153a56
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 #153a56 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/153a56-9caec4-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