button · sample · Fable 5.1 · trial 100 of 100

the answer

#2563eb

model	Fable 5.1 claude-fable-5-1
effort	low
profile	room
cli version	2.1.283
started	2026-10-04 04:56:41 UTC
wall	2.6s
cost	$0.0063
turns	1
output tokens	98
thinking blocks	0
tool / bash / edit calls	0 / 0 / 0
denials	0
answer form	framed
rule met	yes
session	71326112-a039-4de8-bbb7-7de6039d0cda

What the model said

`#2563EB` — a strong, accessible blue. It works well as a primary button color: white text on it passes WCAG AA contrast (about 5.2:1), and it reads clearly as interactive on both light and dark backgrounds.

For a hover state, darken it to `#1D4ED8`.