Color
#4b3564
#4b3564rgb(75, 53, 100)hsl(268, 31%, 30%)oklch(0.376 0.082 304.3)Colors that go with #4b3564
Blue, Cadet Blue and Copper 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
shipped7 real palettes, including Alaska Airlines's brand system and Dunkin''s brand system put Blue beside #4b3564, as the accent.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #4b3564: 4 real palettes, including Open House and Coastal, as the supporting colour.
Copper #b87333
shippedDesigners have shipped Copper with #4b3564: 4 real palettes, including Bramble and Notion's brand system, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #4b3564 in 9 real palettes, including Marvel's brand system and Frost & Ember, as the accent.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #4b3564: 4 real palettes, including Lamborghini's brand system and Kraken's brand system, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #4b3564: 12 real palettes, including Hinge's brand system and Jack Daniel's's brand system, as the accent.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #4b3564: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Teal #008080
triadicshippedTeal completes a triad with #4b3564 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Real palettes that use #4b3564
Tints & shades
Harmonies
Contrast
| #4b3564 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 10.54:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.99:1 | 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 #4b3564 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
#4b3564 reads as cool, muted, dark. The font library is tagged with the same vocabulary:
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 #4b3564 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/4b3564-b39cc4-dfdc4e-2c1f2d-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