# #809bf9

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

## Values

- Hex: `#809bf9`
- RGB: rgb(128, 155, 249)
- HSL: hsl(227, 91%, 74%)
- OKLCH: oklch(0.709 0.141 270.4)
- Relative luminance: 0.3487
- Nearest named color: Fennel Flower (#77aaff, Δ 3.81) — https://brandsweets.com/colors/fennel-flower
- Moods: cool, vivid, light, technical, modern, clean
- Page: https://brandsweets.com/colors/809bf9

## Tints & shades

- Tints (toward white): #8aa2f9, #99aefa, #a2b6fb, #b1c1fb, #bbc9fc, #c5d1fc, #d3dcfd, #dde4fd, #ecf0fe, #f5f7ff
- Shades (toward black): #5e7ff7, #3c64f6, #1a49f4, #0b39e0, #0930be, #07289c, #061f7a, #041658, #030e36, #010513

## Harmonies

- Complementary: #f9df80
- Analogous: #80d7f9, #a380f9
- Triadic: #f9809b, #9bf980
- Split-complementary: #f9a380, #d7f980
- Tetradic: #f980d7, #f9df80, #80f9a3

## Colors that go with #809bf9

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 #809bf9: softer than #000 and cool enough to feel like part of the same palette. Seen in: Blizzard (https://brandsweets.com/colors/brands/blizzard-com), Mercury (https://brandsweets.com/colors/brands/mercury-com), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [harmony, pool: analogous] — Deep Sky Blue is #809bf9's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Blueprint (https://brandsweets.com/palettes/technical#blueprint), Remix (https://brandsweets.com/colors/brands/remix-run), Calm (https://brandsweets.com/colors/brands/calm-com), Figma (https://brandsweets.com/colors/brands/figma). — https://brandsweets.com/colors/deepskyblue
- **Goldenrod** #daa520 [harmony, pool: complementary] — Goldenrod sits directly opposite #809bf9 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/goldenrod
- **Amber** #ffbf00 [pool] — Amber is paired with #809bf9 in 7 real palettes, including Ahrefs's brand system and Blueprint, as the supporting colour. Seen in: Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), NBA (https://brandsweets.com/colors/brands/nba-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 6 real palettes, including Canva's brand system and Spotify's brand system put Blue beside #809bf9, as the accent. Seen in: Canva (https://brandsweets.com/colors/brands/canva-com), Spotify (https://brandsweets.com/colors/brands/spotify), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Unity (https://brandsweets.com/colors/brands/unity-com). — https://brandsweets.com/colors/blue
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #809bf9 in 4 real palettes, including Ahrefs's brand system and Learning App, as the lead colour. Seen in: Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Learning App (https://brandsweets.com/palettes/playful#learning-app), Elastic (https://brandsweets.com/colors/brands/elastic-co), Playground (https://brandsweets.com/palettes/bold#playground). — https://brandsweets.com/colors/darkorange
- **Denim** #1560bd [pool] — Designers have shipped Denim with #809bf9: 7 real palettes, including Coca-Cola's brand system and Venmo's brand system, as the accent. Seen in: Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Venmo (https://brandsweets.com/colors/brands/venmo-com), Apple (https://brandsweets.com/colors/brands/apple-com), Coursera (https://brandsweets.com/colors/brands/coursera-org). — https://brandsweets.com/colors/denim
- **Emerald Green** #50c878 [harmony, pool: triadic] — Emerald Green completes a triad with #809bf9 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Supabase (https://brandsweets.com/colors/brands/supabase), Playground (https://brandsweets.com/palettes/bold#playground). — https://brandsweets.com/colors/emerald-green

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

- On white (#ffffff): 2.63:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #4168f6 (4.63:1); AA: background → #363636 (4.59:1); AAA: text → #0b3def (7.17:1); AAA: background → #121212 (7.11:1)
- On black (#000000): 7.97:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Roblox** — secondary #829efc (Δ 0.889) — https://brandsweets.com/colors/brands/roblox-com
- **Ahrefs** — accent #889afc (Δ 1.133) — https://brandsweets.com/colors/brands/ahrefs-com

## 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/809bf9-9ca0c4-df7a4e-221f2d-e9eff1?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: "#809bf9" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.