# #901dd3

A color — cool, vivid, technical, modern. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#901dd3`
- RGB: rgb(144, 29, 211)
- HSL: hsl(278, 76%, 47%)
- OKLCH: oklch(0.52 0.248 307.7)
- Relative luminance: 0.1151
- Nearest named color: darkviolet (#9400d3, Δ 1.628) — https://brandsweets.com/colors/darkviolet
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/901dd3

## Tints & shades

- Tints (toward white): #9d28e2, #a83ee5, #b254e8, #bc6beb, #c886ee, #d29cf2, #dcb3f5, #e7c9f8, #f1e0fb, #fbf6fe
- Shades (toward black): #841ac1, #7517ab, #681599, #5c1287, #501075, #400d5e, #340a4c, #28083a, #190524, #0c0212

## Harmonies

- Complementary: #60d31d
- Analogous: #351dd3, #d31dbb
- Triadic: #d3901d, #1dd390
- Split-complementary: #bbd31d, #1dd335
- Tetradic: #d3351d, #60d31d, #1dbbd3

## Colors that go with #901dd3

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Denim** #1560bd [pool] — Designers have shipped Denim with #901dd3: 4 real palettes, including Linkedin's brand system and Peacock, as the lead colour. Seen in: Linkedin (https://brandsweets.com/colors/brands/linkedin-com), Peacock (https://brandsweets.com/palettes/vivid#peacock), Hasbro (https://brandsweets.com/colors/brands/hasbro-com), Slack (https://brandsweets.com/colors/brands/slack-com). — https://brandsweets.com/colors/denim
- **Olive Drab** #6b8e23 [harmony: complementary] — Olive Drab sits directly opposite #901dd3 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/olivedrab
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #901dd3: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hasbro (https://brandsweets.com/colors/brands/hasbro-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #901dd3's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Yahoo (https://brandsweets.com/colors/brands/yahoo-com), Wayfair (https://brandsweets.com/colors/brands/wayfair-com). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #901dd3 in 3 real palettes, including Superhuman's brand system and Obsidian's brand system, as the lead colour. Seen in: Superhuman (https://brandsweets.com/colors/brands/superhuman-com), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Datadog (https://brandsweets.com/colors/brands/datadoghq-com). — https://brandsweets.com/colors/taupe
- **Teal** #008080 [harmony, pool: triadic] — Teal completes a triad with #901dd3 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone). — https://brandsweets.com/colors/teal
- **Sea Green** #2e8b57 [harmony: split] — Sea Green is a split-complement of #901dd3: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/seagreen
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #901dd3: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 6.36:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #871bc5 (7.02:1)
- On black (#000000): 3.3:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #aa43e5 (4.64:1); AA: background → #d9d9d9 (4.51:1); AAA: text → #c278ed (7.2:1)

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/901dd3-ba9cc4-bbcb62-2d1f2c-ebe9f1?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#901dd3" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.