Color
#4f508c
#4f508crgb(79, 80, 140)hsl(239, 28%, 43%)oklch(0.459 0.096 281.2)Colors that go with #4f508c
Charcoal, Steel Blue and 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #4f508c: softer than #000 and cool enough to feel like part of the same palette.
Steel Blue #4682b4
analogousshippedSteel Blue is #4f508c's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Blue #0000ff
shipped4 real palettes, including CVS's brand system and Pixar's brand system put Blue beside #4f508c, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #4f508c in 8 real palettes, including Amazon's brand system and Netflix's brand system, as the supporting colour.
Firebrick #b22222
shippedDesigners have shipped Firebrick with #4f508c: 5 real palettes, including Campbell's's brand system and Datadog's brand system, as the supporting colour.
Midnight Blue #191970
shipped12 real palettes, including First Snow and FIFA's brand system put Midnight Blue beside #4f508c, as that palette's text colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #4f508c in 12 real palettes, including Stripe's brand system and Motorola's brand system, as the accent.
Sea Green #2e8b57
shippedSea Green shows up next to #4f508c in 4 real palettes, including Jack Daniel's's brand system and Netflix's brand system, as the accent.
Real palettes that use #4f508c
Tints & shades
Harmonies
Contrast
| #4f508c as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.35:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.86:1 | 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 #4f508c 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 #4f508c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/4f508c-a09cc4-df964e-251f2d-e9edf1?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