# #642aa2

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

## Values

- Hex: `#642aa2`
- RGB: rgb(100, 42, 162)
- HSL: hsl(269, 59%, 40%)
- OKLCH: oklch(0.434 0.181 301)
- Relative luminance: 0.0697
- Nearest named color: rebeccapurple (#663399, Δ 2.324) — https://brandsweets.com/colors/rebeccapurple
- Moods: cool, modern
- Page: https://brandsweets.com/colors/642aa2

## Tints & shades

- Tints (toward white): #7330bb, #823ccd, #8f51d2, #9f69d8, #ae81df, #be9ae5, #ceb2eb, #dbc6f0, #eadff7, #faf7fd
- Shades (toward black): #5a2692, #522386, #481e76, #411b69, #371759, #2d1349, #25103d, #1b0c2d, #140820, #0a0410

## Harmonies

- Complementary: #68a22a
- Analogous: #2a2ca2, #a02aa2
- Triadic: #a2642a, #2aa264
- Split-complementary: #a2a02a, #2ca22a
- Tetradic: #a22a2c, #68a22a, #2aa2a0

## Colors that go with #642aa2

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

- **Crimson** #dc143c [pool] — Crimson is paired with #642aa2 in 4 real palettes, including Wells Fargo's brand system and Gemstone, as the lead colour. Seen in: Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Lenovo (https://brandsweets.com/colors/brands/lenovo-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #642aa2: 4 real palettes, including Slack's brand system and Linkedin's brand system, as the lead colour. Seen in: Slack (https://brandsweets.com/colors/brands/slack-com), Linkedin (https://brandsweets.com/colors/brands/linkedin-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Warbyparker (https://brandsweets.com/colors/brands/warbyparker-com). — https://brandsweets.com/colors/denim
- **Tomato** #ff6347 [pool] — 5 real palettes, including FedEx's brand system and dbt Labs's brand system put Tomato beside #642aa2, as the supporting colour. Seen in: FedEx (https://brandsweets.com/colors/brands/fedex-com), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com), GitLab (https://brandsweets.com/colors/brands/gitlab), Fivetran blue (https://brandsweets.com/colors/brands/fivetran-com). — https://brandsweets.com/colors/tomato
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #642aa2 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/olive
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #642aa2: softer than #000 and cool enough to feel like part of the same palette. Seen in: dbt Labs (https://brandsweets.com/colors/brands/getdbt-com), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #642aa2's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Wayfair (https://brandsweets.com/colors/brands/wayfair-com), Fivetran blue (https://brandsweets.com/colors/brands/fivetran-com). — https://brandsweets.com/colors/royalblue
- **Teal** #008080 [harmony, pool: triadic] — Teal completes a triad with #642aa2 — 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), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold). — https://brandsweets.com/colors/teal
- **Sea Green** #2e8b57 [harmony: split] — Sea Green is a split-complement of #642aa2: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/seagreen

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

- On white (#ffffff): 8.77:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.39:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #9459d4 (4.64:1); AA: background → #bababa (4.52:1); AAA: text → #ae81df (7.01:1); AAA: background → #e6e6e6 (7.03:1)

## Brands using this color

- **Datadog** — primary #632ca6 (Δ 0.77) — https://brandsweets.com/colors/brands/datadoghq-com

## Fonts for this mood

- 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/642aa2-b49cc4-cbcb62-2c1f2d-e9e9f1?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: "#642aa2" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.