# #81a5df

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

## Values

- Hex: `#81a5df`
- RGB: rgb(129, 165, 223)
- HSL: hsl(217, 59%, 69%)
- OKLCH: oklch(0.718 0.094 259.7)
- Relative luminance: 0.3691
- Nearest named color: Azureno (#8fa0d5, Δ 2.221) — https://brandsweets.com/colors/azureno
- Moods: cool, modern
- Page: https://brandsweets.com/colors/81a5df

## Tints & shades

- Tints (toward white): #8daee2, #9ab6e5, #a6bfe8, #b2c8eb, #bed1ee, #c6d6f0, #d2dff3, #dfe8f7, #ebf0fa, #f7f9fd
- Shades (toward black): #6994d8, #4d7fd1, #346ecb, #2d5fae, #275196, #1f427a, #193561, #122545, #0c182d, #040910

## Harmonies

- Complementary: #dfbb81
- Analogous: #81d4df, #8c81df
- Triadic: #df81a5, #a5df81
- Split-complementary: #df8c81, #d4df81
- Tetradic: #df81d4, #dfbb81, #81df8c

## Colors that go with #81a5df

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 #81a5df: softer than #000 and cool enough to feel like part of the same palette. Seen in: Mercury (https://brandsweets.com/colors/brands/mercury-com), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), Blizzard (https://brandsweets.com/colors/brands/blizzard-com), Harbour (https://brandsweets.com/palettes/cool#harbour). — https://brandsweets.com/colors/charcoal
- **Amber** #ffbf00 [pool] — Amber is paired with #81a5df in 6 real palettes, including NBA's brand system and Ahrefs's brand system, as the lead colour. Seen in: NBA (https://brandsweets.com/colors/brands/nba-com), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Salesforce (https://brandsweets.com/colors/brands/salesforce-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 5 real palettes, including Canva's brand system and Spotify's brand system put Blue beside #81a5df, as the accent. Seen in: Canva (https://brandsweets.com/colors/brands/canva-com), Spotify (https://brandsweets.com/colors/brands/spotify), Warp (https://brandsweets.com/colors/brands/warp-dev), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com). — https://brandsweets.com/colors/blue
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #81a5df 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), PayPal (https://brandsweets.com/colors/brands/paypal-com). — https://brandsweets.com/colors/darkorange
- **Denim** #1560bd [pool] — Designers have shipped Denim with #81a5df: 6 real palettes, including Coca-Cola's brand system and Open House, as the accent. Seen in: Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Open House (https://brandsweets.com/palettes/clean#open-house), Venmo (https://brandsweets.com/colors/brands/venmo-com), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #81a5df: 4 real palettes, including Venmo's brand system and Patreon's brand system, as the lead colour. Seen in: Venmo (https://brandsweets.com/colors/brands/venmo-com), Patreon (https://brandsweets.com/colors/brands/patreon-com), Opensea (https://brandsweets.com/colors/brands/opensea-io), Figma (https://brandsweets.com/colors/brands/figma). — https://brandsweets.com/colors/dodgerblue
- **Emerald Green** #50c878 [harmony, pool: triadic] — Emerald Green completes a triad with #81a5df — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Supabase (https://brandsweets.com/colors/brands/supabase), Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Obsidian (https://brandsweets.com/colors/brands/obsidian-md). — https://brandsweets.com/colors/emerald-green
- **Medium Sea Green** #3cb371 [pool] — Medium Sea Green is paired with #81a5df in 4 real palettes, including Terminal and Spotify's brand system, as the lead colour. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal), Spotify (https://brandsweets.com/colors/brands/spotify), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Unity (https://brandsweets.com/colors/brands/unity-com). — https://brandsweets.com/colors/mediumseagreen

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

- On white (#ffffff): 2.51:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #3c74cd (4.59:1); AA: background → #383838 (4.68:1); AAA: text → #29569e (7.19:1); AAA: background → #171717 (7.15:1)
- On black (#000000): 8.38:1 — AA pass, AA-large pass, AAA pass

## 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/81a5df-9ca7c4-df624e-201f2d-e9f0f1?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: "#81a5df" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.