# #a337f6

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

## Values

- Hex: `#a337f6`
- RGB: rgb(163, 55, 246)
- HSL: hsl(274, 91%, 59%)
- OKLCH: oklch(0.589 0.263 305)
- Relative luminance: 0.1717
- Nearest named color: Magenta Affair (#aa44dd, Δ 4.614) — https://brandsweets.com/colors/magenta-affair
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/a337f6

## Tints & shades

- Tints (toward white): #ac4bf7, #b55ef7, #be72f8, #c785f9, #d099fa, #d7a7fb, #e0bbfc, #e9cefd, #f2e2fe, #fbf5ff
- Shades (toward black): #981ff4, #890bea, #7b0ad1, #6a08b4, #5c079c, #4a067f, #3c0566, #2b0349, #1d0231, #0b0113

## Harmonies

- Complementary: #8af637
- Analogous: #4437f6, #f637e9
- Triadic: #f6a337, #37f6a3
- Split-complementary: #e9f637, #37f644
- Tetradic: #f64437, #8af637, #37e9f6

## Colors that go with #a337f6

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 #a337f6 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 #a337f6: 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 #a337f6: 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 #a337f6: 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 #a337f6'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
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #a337f6 in 3 real palettes, including Yahoo's brand system and Loom's brand system, as the accent. Seen in: Yahoo (https://brandsweets.com/colors/brands/yahoo-com), Loom (https://brandsweets.com/colors/brands/loom-com), Stripe (https://brandsweets.com/colors/brands/stripe). — https://brandsweets.com/colors/royalblue
- **Dark Cyan** #008b8b [harmony, pool: triadic] — Dark Cyan completes a triad with #a337f6 — 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 #a337f6: 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): 4.74:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #810adb (7:1)
- On black (#000000): 4.43:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #a53cf6 (4.58:1); AA: background → #fafafa (4.54:1); AAA: text → #c077f9 (7.25:1)

## Brands using this color

- **Udemy** — primary #a435f0 (Δ 0.985) — 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/a337f6-b79cc4-c2cb62-2d1f2d-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: "#a337f6" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.