Color
#45105b
#45105brgb(69, 16, 91)hsl(282, 70%, 21%)oklch(0.305 0.129 313.5)Colors that go with #45105b
Charcoal, Crimson and Denim 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 #45105b: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
shippedCrimson is paired with #45105b in 5 real palettes, including Marvel's brand system and Casper Sleep's brand system, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #45105b: 9 real palettes, including Discover's brand system and Hinge's brand system, as the supporting colour.
Powder Blue #b0e0e6
shippedDesigners have shipped Powder Blue with #45105b: 5 real palettes, including Macaron and Frost & Ember, as the supporting colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #45105b in 4 real palettes, including Discord's brand system and Confluent's brand system, as the lead colour.
Sky Blue #87ceeb
shippedSky Blue is paired with #45105b in 4 real palettes, including Harbour and Dusty Blue, as the supporting colour.
Slate Gray #708090
shipped5 real palettes, including Campus and Bloomberg's brand system put Slate Gray beside #45105b, as the supporting colour.
Forest Green #228b22
complementaryForest Green sits directly opposite #45105b on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Real palettes that use #45105b
Tints & shades
Harmonies
Contrast
| #45105b as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 14.21:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.48:1 | 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 #45105b 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
#45105b reads as cool, vivid, 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 #45105b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/45105b-ba9fc1-b4cb62-2d1f2b-ebe9f1?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