Named color

Blasphemous Blue

#3356aa
hex#3356aa
rgbrgb(51, 86, 170)
hslhsl(222, 54%, 43%)
oklchoklch(0.474 0.141 264.6)
Relative luminance 0.1026

Blasphemous Blue 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 curated palettes it appears in and any public brand that adopts it.

Colors that go with Blasphemous Blue

Charcoal, Sea Green and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a98532

#3291a9 · #4a32a9

#a93256 · #56a932

Split-complementary

Open in tool →

#a94a32 · #91a932

#a93291 · #a98532 · #32a94a

Contrast

Blasphemous Blue as textRatioAAAA largeAAAFix
Aaon white
6.88:1passpassfail
  • AAA: use #3154a5 as the text (7.14:1)
Aaon black
3.05:1failpassfail
  • AA: use #4e73ca as the text (4.63:1)
  • AAA: use #7996d7 as the text (7.16:1)
  • AA: or shift the background to #d1d1d1 (4.51:1)

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

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

mcpConnect your agent — build around Blasphemous Blue
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #3356aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3356aa-9ca3c4-df6e4e-211f2d-e9eff1?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