# #810bbc

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

## Values

- Hex: `#810bbc`
- RGB: rgb(129, 11, 188)
- HSL: hsl(280, 89%, 39%)
- OKLCH: oklch(0.472 0.235 308.6)
- Relative luminance: 0.0854
- Nearest named color: Lilac Spring (#8822cc, Δ 3.568) — https://brandsweets.com/colors/lilac-spring
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/810bbc

## Tints & shades

- Tints (toward white): #950dd9, #a713f1, #b230f3, #bd4df5, #c76af6, #d082f8, #db9ff9, #e6bcfb, #f1d8fd, #fbf5fe
- Shades (toward black): #770aae, #6a099a, #60088c, #530778, #49066a, #3c0557, #320448, #240335, #1a0227, #0d0113

## Harmonies

- Complementary: #46bc0b
- Analogous: #280bbc, #bc0b9e
- Triadic: #bc810b, #0bbc81
- Split-complementary: #9ebc0b, #0bbc28
- Tetradic: #bc280b, #46bc0b, #0b9ebc

## Colors that go with #810bbc

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 #810bbc: 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), Peacock (https://brandsweets.com/palettes/vivid#peacock), Hasbro (https://brandsweets.com/colors/brands/hasbro-com). — https://brandsweets.com/colors/denim
- **Olive Drab** #6b8e23 [harmony: complementary] — Olive Drab sits directly opposite #810bbc 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 #810bbc: 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 #810bbc'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), Yahoo (https://brandsweets.com/colors/brands/yahoo-com). — https://brandsweets.com/colors/royalblue
- **Teal** #008080 [harmony, pool: triadic] — Teal completes a triad with #810bbc — 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 #810bbc: 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 #810bbc: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive
- **Crimson** #dc143c [pool] — Crimson is paired with #810bbc in two real palettes: Gemstone and Wells Fargo's brand system, as the accent. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com). — https://brandsweets.com/colors/crimson

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

- On white (#ffffff): 7.76:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.71:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #b230f3 (4.61:1); AA: background → #c7c7c7 (4.59:1); AAA: text → #c96ef7 (7.06:1); AAA: background → #f5f5f5 (7.11:1)

## 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/810bbc-b99fc1-b8cb62-2d1f2c-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: "#810bbc" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.