Color
#503d6b
#503d6brgb(80, 61, 107)hsl(265, 27%, 33%)oklch(0.401 0.078 302)Colors that go with #503d6b
Blue, Copper and Crimson 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.
Blue #0000ff
shipped6 real palettes, including Alaska Airlines's brand system and CVS's brand system put Blue beside #503d6b, as the accent.
Copper #b87333
shippedDesigners have shipped Copper with #503d6b: 4 real palettes, including Bramble and Dusk, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #503d6b in 9 real palettes, including Codecademy's brand system and Wells Fargo's brand system, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #503d6b: 8 real palettes, including Hinge's brand system and HP's brand system, as the accent.
Midnight Blue #191970
shipped10 real palettes, including Microsoft's brand system and First Snow put Midnight Blue beside #503d6b, as the accent.
Orange Red #ff4500
shippedOrange Red is paired with #503d6b in 5 real palettes, including Tumblr's brand system and Audi's brand system, as the accent.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #503d6b: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Sea Green #2e8b57
split-complementshippedSea Green is a split-complement of #503d6b: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #503d6b
Tints & shades
Harmonies
Contrast
| #503d6b as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 9.46:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.22:1 | 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 #503d6b 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 #503d6b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/503d6b-b19cc4-dfd54e-2b1f2d-e9eaf1?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