# #8f91c7

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

## Values

- Hex: `#8f91c7`
- RGB: rgb(143, 145, 199)
- HSL: hsl(238, 33%, 67%)
- OKLCH: oklch(0.675 0.08 282.4)
- Relative luminance: 0.3021
- Nearest named color: Easter Egg (#8e97c7, Δ 1.63) — https://brandsweets.com/colors/easter-egg
- Moods: cool, muted
- Page: https://brandsweets.com/colors/8f91c7

## Tints & shades

- Tints (toward white): #999bcc, #a3a5d1, #aeafd6, #b8b9db, #c5c6e2, #d0d0e7, #dadaec, #e4e4f1, #eeeef6, #f8f8fc
- Shades (toward black): #7b7dbc, #6366b0, #5255a3, #484a8e, #3e407a, #323362, #27294e, #1d1e3a, #111222, #07070e

## Harmonies

- Complementary: #c7c58f
- Analogous: #8fadc7, #a98fc7
- Triadic: #c78f91, #91c78f
- Split-complementary: #c7a98f, #adc78f
- Tetradic: #c78fad, #c7c58f, #8fc7a9

## Colors that go with #8f91c7

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 #8f91c7: 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), Plaid (https://brandsweets.com/colors/brands/plaid-com), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com), Hermès (https://brandsweets.com/colors/brands/hermes-com). — https://brandsweets.com/colors/charcoal
- **Amber** #ffbf00 [pool] — Amber is paired with #8f91c7 in 5 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), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), NBA (https://brandsweets.com/colors/brands/nba-com). — https://brandsweets.com/colors/amber
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #8f91c7: 5 real palettes, including Blueprint and Calm's brand system, as the lead colour. Seen in: Blueprint (https://brandsweets.com/palettes/technical#blueprint), Calm (https://brandsweets.com/colors/brands/calm-com), Snowflake AI Data Cloud (https://brandsweets.com/colors/brands/snowflake-com), Telegram (https://brandsweets.com/colors/brands/telegram-org). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #8f91c7: 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
- **Emerald Green** #50c878 [pool] — Emerald Green is paired with #8f91c7 in 4 real palettes, including Ledger Dark and Obsidian's brand system, as the accent. Seen in: Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Supabase (https://brandsweets.com/colors/brands/supabase), Scale AI (https://brandsweets.com/colors/brands/scale-com). — https://brandsweets.com/colors/emerald-green
- **Midnight Blue** #191970 [pool] — 7 real palettes, including Open House and First Snow put Midnight Blue beside #8f91c7, 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), Plaid (https://brandsweets.com/colors/brands/plaid-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono). — https://brandsweets.com/colors/midnightblue
- **Periwinkle** #ccccff [pool] — Periwinkle shows up next to #8f91c7 in 4 real palettes, including Blue Mono and Calendly's brand system, as the accent. Seen in: Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Calendly (https://brandsweets.com/colors/brands/calendly-com), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai), Lavender Milk (https://brandsweets.com/palettes/light#lavender-milk). — https://brandsweets.com/colors/periwinkle
- **Peru** #cd853f [harmony, pool: split] — Peru is a split-complement of #8f91c7: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. 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

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

- On white (#ffffff): 2.98:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #6d70b6 (4.52:1); AA: background → #2e2e2e (4.55:1); AAA: text → #4f519c (7.02:1); AAA: background → #000000 (7.04:1)
- On black (#000000): 7.04:1 — AA pass, AA-large pass, AAA pass

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/8f91c7-9f9cc4-df944e-251f2d-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: "#8f91c7" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.