Named color

Campanula

#3473b7

hex#3473b7

rgbrgb(52, 115, 183)

hslhsl(211, 56%, 46%)

oklchoklch(0.548 0.125 252.6)

Relative luminance 0.1641

Cool Modern

Open in palette tool Check contrast

Campanula on this page is the real value, not a screenshot: exact hex, RGB, HSL and OKLCH, ten tints and ten shades, classic harmonies, and WCAG contrast with fixes — plus the 1 public brand that uses it and the palettes it appears in.

Tints & shades

Tints — toward white

3c80c8 508dce 689cd4 7ca9da 90b6e0 a4c3e5 b7d0eb cfe0f2 e3edf7 f7fafd

Shades — toward black

2f69a7 2b5f97 255383 214973 1c3f63 183554 132b44 0d1e30 091420 040a10

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

Harmonies

Complementary

Open in tool →

3473b7 b77734

#b77734

Analogous

Open in tool →

3473b7 34b5b7 3634b7

#34b5b7 · #3634b7

Triadic

Open in tool →

3473b7 b73473 73b734

#b73473 · #73b734

Split-complementary

Open in tool →

3473b7 b73634 b5b734

#b73634 · #b5b734

Tetradic

Open in tool →

3473b7 b734b5 b77734 34b736

#b734b5 · #b77734 · #34b736

Contrast

Campanula as text	Ratio	AA	AA large	AAA	Fix
Aaon white	4.9:1	pass	pass	fail	AAA: use #285a8f as the text (7.12:1)
Aaon black	4.28:1	fail	pass	fail	AA: use #3678bf as the text (4.6:1) AAA: use #649ad3 as the text (7.1:1) AA: or shift the background to #f7f7f7 (4.58:1)

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

Brands using this color

American Expressprimary · #2e77bc · Δ1.222

Fonts for this mood

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

Modern fonts →

mcpConnect your agent — build around Campanula

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 #3473b7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3473b7-9cabc4-df534e-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