button · sample · Fable 5.1 · trial 029 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 04:52:52 UTC
wall	2.2s
cost	$0.0056
turns	1
output tokens	83
thinking blocks	0
tool / bash / edit calls	0 / 0 / 0
denials	0
answer form	framed
rule met	yes
session	e2e8412a-c11e-4d84-954a-5f97ef49240a

What the model said

`#2563EB` — a medium blue that works well for a primary button: it reads clearly as interactive and has enough contrast with white text (about 5.2:1, passing WCAG AA).

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