# #b5b3ff

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

## Values

- Hex: `#b5b3ff`
- RGB: rgb(181, 179, 255)
- HSL: hsl(242, 100%, 85%)
- OKLCH: oklch(0.796 0.107 284.9)
- Relative luminance: 0.4928
- Nearest named color: Purple Illusion (#b8b8f8, Δ 1.924) — https://brandsweets.com/colors/purple-illusion
- Moods: cool, vivid, light, technical, modern, clean
- Page: https://brandsweets.com/colors/b5b3ff

## Tints & shades

- Tints (toward white): #bab8ff, #c4c2ff, #c9c7ff, #ceccff, #d8d6ff, #dcdbff, #e1e0ff, #e6e5ff, #f0f0ff, #f5f5ff
- Shades (toward black): #8e8aff, #6661ff, #3f38ff, #170fff, #0800e6, #0600b8, #05008f, #030066, #02003d, #010014

## Harmonies

- Complementary: #fcffb3
- Analogous: #b3d6ff, #dbb3ff
- Triadic: #ffb5b3, #b3ffb5
- Split-complementary: #ffdbb3, #d6ffb3
- Tetradic: #ffb3d6, #fcffb3, #b3ffdb

## Colors that go with #b5b3ff

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

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #b5b3ff: softer than #000 and cool enough to feel like part of the same palette. Seen in: Mercury (https://brandsweets.com/colors/brands/mercury-com), Auth0 (https://brandsweets.com/colors/brands/auth0-com), Harbour (https://brandsweets.com/palettes/cool#harbour), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [harmony, pool: analogous] — Deep Sky Blue is #b5b3ff's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Calendly (https://brandsweets.com/colors/brands/calendly-com), Max (https://brandsweets.com/colors/brands/max-com), Calm (https://brandsweets.com/colors/brands/calm-com), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai). — https://brandsweets.com/colors/deepskyblue
- **Dark Khaki** #bdb76b [harmony, pool: complementary] — Dark Khaki sits directly opposite #b5b3ff on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe). — https://brandsweets.com/colors/darkkhaki
- **Midnight Blue** #191970 [pool] — 7 real palettes, including Lavender Haze and Lavender Milk put Midnight Blue beside #b5b3ff, as the text colour against it. Seen in: Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze), Lavender Milk (https://brandsweets.com/palettes/light#lavender-milk), Telehealth (https://brandsweets.com/palettes/modern#telehealth), First Snow (https://brandsweets.com/palettes/cool#first-snow). — https://brandsweets.com/colors/midnightblue
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #b5b3ff: 5 real palettes, including Calendly's brand system and Audible's brand system, as the accent. Seen in: Calendly (https://brandsweets.com/colors/brands/calendly-com), Audible (https://brandsweets.com/colors/brands/audible-com), First Snow (https://brandsweets.com/palettes/cool#first-snow), Crypto.com (https://brandsweets.com/colors/brands/crypto-com). — https://brandsweets.com/colors/powderblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #b5b3ff in 6 real palettes, including Telehealth and 1password's brand system, as the lead colour. Seen in: Telehealth (https://brandsweets.com/palettes/modern#telehealth), 1password (https://brandsweets.com/colors/brands/1password-com), Sephora (https://brandsweets.com/colors/brands/sephora-com), Roblox (https://brandsweets.com/colors/brands/roblox-com). — https://brandsweets.com/colors/royalblue
- **Slate Gray** #708090 [pool] — 4 real palettes, including Midnight Luxe and Dusty Blue put Slate Gray beside #b5b3ff, as the supporting colour. Seen in: Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Still Water (https://brandsweets.com/palettes/cool#still-water), Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono). — https://brandsweets.com/colors/slategray
- **Taupe** #483c32 [pool] — Taupe is paired with #b5b3ff in 10 real palettes, including Raycast's brand system and Obsidian's brand system, as the text colour against it. Seen in: Raycast (https://brandsweets.com/colors/brands/raycast), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Still Water (https://brandsweets.com/palettes/cool#still-water), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/taupe

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

- On white (#ffffff): 1.93:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #615cff (4.68:1); AA: background → #4a4a4a (4.58:1); AAA: text → #352eff (7.03:1); AAA: background → #2e2e2e (7.02:1)
- On black (#000000): 10.86:1 — AA pass, AA-large pass, AAA pass

## Fonts for this mood

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

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/b5b3ff-a29cc4-df9e4e-261f2d-e9edf1?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: "#b5b3ff" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.