Color
#51435b
#51435brgb(81, 67, 91)hsl(275, 15%, 31%)oklch(0.407 0.043 310.9)Colors that go with #51435b
Teal, Blue and Cadet Blue 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.
Teal #008080
split-complementshippedTeal is a split-complement of #51435b: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Blue #0000ff
shipped4 real palettes, including Jeep's brand system and Dunkin''s brand system put Blue beside #51435b, as the accent.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #51435b: 4 real palettes, including Dusk and Paper & Pine, as the supporting colour.
Champagne #f7e7ce
shipped4 real palettes, including Darkroom and Bramble put Champagne beside #51435b, as the surface under it.
Copper #b87333
shippedDesigners have shipped Copper with #51435b: 5 real palettes, including Bramble and Desert Road, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #51435b in 7 real palettes, including Codecademy's brand system and Dunkin''s brand system, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #51435b: 8 real palettes, including HP's brand system and Hinge's brand system, as the accent.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #51435b: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use #51435b
Tints & shades
Harmonies
Contrast
| #51435b as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 9.12:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.3:1 | fail | fail | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #51435b as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
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.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #51435b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/51435b-b89cc4-c0cb62-2d1f2d-eae9f1?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md