Blue themes

Sandman

By: DelverMogg

The Eternaut

By: FedeG13

MGS Light

By: msinger

Purple evening sky

By: frilled

Miura

By: Daishin Sakuma

Nakarena's_cool_portrait_001 (DeepBlue, Down...)

By: InukahiAi

Better Dark – Blue Slate

By: wengkitt10

Desk aesthetics

By: Jafor219

Better Dark – Gray

By: wengkitt10

Better Dark - Slate

By: wengkitt10

Minimum Deep Blue

By: minwork

Nakarena's_cool_portrait_001 (Blue, Neon)

By: InukahiAi

Bright Cyan Ocean

By: Roptain

Bright Blue Sky

By: Roptain

Dark+

By: mirpri

Dark Blue Seashore

By: Roptain

Dark Cyan Stairs

By: Roptain

Shenzhen Nights

By: brickfrog

Minimal catppuccin (Lavender)

By: Damien

AURORAFLEX ANIMATED

By: davvieeeq

Dia De Los Muertos

By: deleoa5

Stelle From Honkai Star Rail Night Blue Theme

By: CQT

ShinRan - Detective Conan

By: spacecb

Blorange

By: Hadden89