# #a337e6

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

## Values

- Hex: `#a337e6`
- RGB: rgb(163, 55, 230)
- HSL: hsl(277, 78%, 56%)
- OKLCH: oklch(0.577 0.249 308.4)
- Relative luminance: 0.1623
- Nearest named color: Magenta Affair (#aa44dd, Δ 2.937) — https://brandsweets.com/colors/magenta-affair
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/a337e6

## Tints & shades

- Tints (toward white): #ac49e9, #b45ceb, #be72ee, #c784f0, #cf97f2, #d7a9f4, #e0bbf7, #ead2f9, #f2e4fc, #fbf6fe
- Shades (toward black): #9921e4, #8b1ad1, #7916b6, #69149f, #5a1188, #4b0e71, #3c0b5b, #2a0840, #1b0529, #0c0212

## Harmonies

- Complementary: #7ae637
- Analogous: #4c37e6, #e637d2
- Triadic: #e6a337, #37e6a3
- Split-complementary: #d2e637, #37e64c
- Tetradic: #e64c37, #7ae637, #37d2e6

## Colors that go with #a337e6

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

- **Olive Drab** #6b8e23 [harmony: complementary] — Olive Drab sits directly opposite #a337e6 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
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #a337e6: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Next.js (https://brandsweets.com/colors/brands/nextjs-org). — https://brandsweets.com/colors/seagreen
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #a337e6: 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
- **Denim** #1560bd [pool] — Designers have shipped Denim with #a337e6: 3 real palettes, including Linkedin's brand system and Hasbro's brand system, as the lead colour. Seen in: Linkedin (https://brandsweets.com/colors/brands/linkedin-com), Hasbro (https://brandsweets.com/colors/brands/hasbro-com), Peacock (https://brandsweets.com/palettes/vivid#peacock). — https://brandsweets.com/colors/denim
- **Medium Slate Blue** #7b68ee [harmony, pool: analogous] — Medium Slate Blue is #a337e6's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: monday.com (https://brandsweets.com/colors/brands/monday-com), ClickUp (https://brandsweets.com/colors/brands/clickup-com). — https://brandsweets.com/colors/mediumslateblue
- **Taupe** #483c32 [pool] — Taupe is paired with #a337e6 in 3 real palettes, including Obsidian's brand system and Loom's brand system, as that palette's text colour. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Loom (https://brandsweets.com/colors/brands/loom-com), Superhuman (https://brandsweets.com/colors/brands/superhuman-com). — https://brandsweets.com/colors/taupe
- **Dark Cyan** #008b8b [harmony, pool: triadic] — Dark Cyan completes a triad with #a337e6 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock). — https://brandsweets.com/colors/darkcyan
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #a337e6: 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): 4.95:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #8519c8 (7.07:1)
- On black (#000000): 4.25:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #a740e7 (4.53:1); AA: background → #f5f5f5 (4.54:1); AAA: text → #c077ee (7.11:1)

## Brands using this color

- **Udemy** — primary #a435f0 (Δ 1.523) — https://brandsweets.com/colors/brands/udemy-com

## 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/a337e6-b99cc4-bdcb62-2d1f2c-eae9f1?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: "#a337e6" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.