# #879bc5

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

## Values

- Hex: `#879bc5`
- RGB: rgb(135, 155, 197)
- HSL: hsl(221, 35%, 65%)
- OKLCH: oklch(0.689 0.066 264.9)
- Relative luminance: 0.3262
- Nearest named color: Easter Egg (#8e97c7, Δ 1.471) — https://brandsweets.com/colors/easter-egg
- Moods: cool, modern
- Page: https://brandsweets.com/colors/879bc5

## Tints & shades

- Tints (toward white): #91a3ca, #9faed1, #a9b7d6, #b3c0db, #c1cbe1, #cbd4e6, #d6dceb, #e0e5f0, #eef1f7, #f8f9fc
- Shades (toward black): #7289bb, #5d78b1, #4e68a2, #445b8d, #3a4e78, #2e3e60, #24314c, #1b2437, #111622, #07090e

## Harmonies

- Complementary: #c5b187
- Analogous: #87bac5, #9287c5
- Triadic: #c5879a, #9ac587
- Split-complementary: #c59287, #bac587
- Tetradic: #c587ba, #c5b187, #87c592

## Colors that go with #879bc5

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 #879bc5: softer than #000 and cool enough to feel like part of the same palette. Seen in: Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com), Hermès (https://brandsweets.com/colors/brands/hermes-com). — https://brandsweets.com/colors/charcoal
- **Peru** #cd853f [harmony, pool: complementary] — Peru sits directly opposite #879bc5 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Estate (https://brandsweets.com/palettes/luxury#estate), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Kiln (https://brandsweets.com/palettes/dark#kiln). — https://brandsweets.com/colors/peru
- **Amber** #ffbf00 [pool] — Amber is paired with #879bc5 in 6 real palettes, including Ahrefs's brand system and NBA's brand system, as the supporting colour. Seen in: Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), NBA (https://brandsweets.com/colors/brands/nba-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Salesforce (https://brandsweets.com/colors/brands/salesforce-com). — https://brandsweets.com/colors/amber
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #879bc5: 4 real palettes, including Calm's brand system and Snowflake AI Data Cloud's brand system, as the lead colour. Seen in: Calm (https://brandsweets.com/colors/brands/calm-com), Snowflake AI Data Cloud (https://brandsweets.com/colors/brands/snowflake-com), Remix (https://brandsweets.com/colors/brands/remix-run), Blueprint (https://brandsweets.com/palettes/technical#blueprint). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #879bc5: 6 real palettes, including Dusk and Open House, as the lead colour. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Open House (https://brandsweets.com/palettes/clean#open-house), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Gopro (https://brandsweets.com/colors/brands/gopro-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #879bc5: 5 real palettes, including Studio Grey and Venmo's brand system, as the accent. Seen in: Studio Grey (https://brandsweets.com/palettes/minimal#studio-grey), Venmo (https://brandsweets.com/colors/brands/venmo-com), Patreon (https://brandsweets.com/colors/brands/patreon-com), Opensea (https://brandsweets.com/colors/brands/opensea-io). — https://brandsweets.com/colors/dodgerblue
- **Emerald Green** #50c878 [pool] — Emerald Green is paired with #879bc5 in 4 real palettes, including Ledger Dark and Scale AI's brand system, as the accent. Seen in: Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Scale AI (https://brandsweets.com/colors/brands/scale-com), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Supabase (https://brandsweets.com/colors/brands/supabase). — https://brandsweets.com/colors/emerald-green
- **Midnight Blue** #191970 [pool] — 9 real palettes, including Open House and First Snow put Midnight Blue beside #879bc5, as the text colour against it. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house), First Snow (https://brandsweets.com/palettes/cool#first-snow), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/midnightblue

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

- On white (#ffffff): 2.79:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #5a75af (4.57:1); AA: background → #333333 (4.53:1); AAA: text → #415786 (7.16:1); AAA: background → #0a0a0a (7.09:1)
- On black (#000000): 7.52:1 — 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/879bc5-9ca4c4-df6b4e-211f2d-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: "#879bc5" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.