# #690efb

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

## Values

- Hex: `#690efb`
- RGB: rgb(105, 14, 251)
- HSL: hsl(263, 97%, 52%)
- OKLCH: oklch(0.506 0.287 286.7)
- Relative luminance: 0.1028
- Nearest named color: Electric Indigo (#6600ff, Δ 0.99) — https://brandsweets.com/colors/electric-indigo
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/690efb

## Tints & shades

- Tints (toward white): #7927fc, #853bfc, #9554fc, #a168fd, #b181fd, #c09bfd, #cdaffe, #ddc8fe, #e9dcfe, #f9f5ff
- Shades (toward black): #5d04ec, #5303d3, #4b03bf, #4103a6, #37028d, #2d0274, #24015a, #1c0146, #12012d, #080014

## Harmonies

- Complementary: #a0fb0e
- Analogous: #0e2afb, #e00efb
- Triadic: #fb690e, #0efb69
- Split-complementary: #fbe00e, #2afb0e
- Tetradic: #fb0e2a, #a0fb0e, #0efbe0

## Colors that go with #690efb

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

- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #690efb's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Yahoo (https://brandsweets.com/colors/brands/yahoo-com), Signal (https://brandsweets.com/colors/brands/signal-org), EA (https://brandsweets.com/colors/brands/ea-com), Penpot (https://brandsweets.com/colors/brands/penpot-app). — https://brandsweets.com/colors/royalblue
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #690efb: 4 real palettes, including Render's brand system and Kraken's brand system, as the supporting colour. Seen in: Render (https://brandsweets.com/colors/brands/render-com), Kraken (https://brandsweets.com/colors/brands/kraken-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Calm (https://brandsweets.com/colors/brands/calm-com). — https://brandsweets.com/colors/deepskyblue
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #690efb 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
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #690efb: 3 real palettes, including Qualcomm's brand system and Roblox's brand system, as the supporting colour. Seen in: Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Roblox (https://brandsweets.com/colors/brands/roblox-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social). — https://brandsweets.com/colors/cornflowerblue
- **Medium Slate Blue** #7b68ee [pool] — Medium Slate Blue shows up next to #690efb in 3 real palettes, including ClickUp's brand system and Stripe's brand system, as the supporting colour. Seen in: ClickUp (https://brandsweets.com/colors/brands/clickup-com), Stripe (https://brandsweets.com/colors/brands/stripe), monday.com (https://brandsweets.com/colors/brands/monday-com). — https://brandsweets.com/colors/mediumslateblue
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #690efb — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Coinbase (https://brandsweets.com/colors/brands/coinbase). — https://brandsweets.com/colors/seagreen
- **Forest Green** #228b22 [harmony: split] — Forest Green is a split-complement of #690efb: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/forestgreen
- **Charcoal** #36454f [role] — Charcoal is the text near-black for #690efb: softer than #000 and cool enough to feel like part of the same palette. — https://brandsweets.com/colors/charcoal

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

- On white (#ffffff): 6.87:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #6609fb (7.01:1)
- On black (#000000): 3.06:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #8e4afc (4.54:1); AA: background → #d4d4d4 (4.64:1); AAA: text → #ae7cfd (7.1:1)

## 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/690efb-b09cc4-dfd04e-2b1f2d-e9eaf1?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: "#690efb" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.