Color

#375877

#375877
hex#375877
rgbrgb(55, 88, 119)
hslhsl(209, 37%, 34%)
oklchoklch(0.449 0.064 247.9)
Closest name: Deep Indigo (#4c567a)Relative luminance 0.0912

Tints & shades

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

Harmonies

Complementary

Open in tool →

#775637

#377776 · #373877

#773758 · #587737

Split-complementary

Open in tool →

#773738 · #777637

#763777 · #775637 · #387737

Contrast

#375877 as textRatioAAAA largeAAAFix
Aaon white
7.43:1passpasspassPasses AAA — no fix needed.
Aaon black
2.82:1failfailfail
  • AA: use #4c79a4 as the text (4.58:1)
  • AAA: use #739abf as the text (7.1:1)
  • AA: or shift the background to #cccccc (4.63:1)
  • AAA: or shift the background to #fafafa (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #375877 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

#375877 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #375877
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 #375877 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/375877-9cacc4-df4e4e-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