CSS named color

Deep Sky Blue #00BFFF

Deep Sky Blue is vivid cyan. Below: every color format, WCAG contrast against black and white, its tints, shades and tones, and the harmonies that pair with it.

Color values

Contrast & accessibility

WCAG contrast ratio of Deep Sky Blue used as a foreground on white and black backgrounds.

Aa The quick brown fox
2.12:1

On white

AA ✕ AAA ✕ AA Large ✕
Aa The quick brown fox
9.90:1

On black

AA ✓ AAA ✓ AA Large ✓

Tints, shades & tones

Systematic variations of Deep Sky Blue — click any swatch to copy its hex.

Tintsmixed toward white
Shadesmixed toward black
Tonesmixed toward gray

Color harmonies

Palettes built from Deep Sky Blue by rotating its hue. Each swatch links to its closest named color.

Complementary

#00BFFF ≈ Dark Turquoise #FF4000 ≈ Orange Red

Analogous

#00FFBF ≈ Medium Spring Green #00BFFF ≈ Dark Turquoise #0040FF ≈ Blue

Triadic

#00BFFF ≈ Dark Turquoise #FF00BF ≈ Deep Pink #BFFF00 ≈ Green Yellow

Split-complementary

#00BFFF ≈ Dark Turquoise #FF0040 ≈ Crimson #FFBF00 ≈ Gold

Tetradic

#00BFFF ≈ Dark Turquoise #BF00FF ≈ Dark Violet #FF4000 ≈ Orange Red #40FF00 ≈ Lawn Green

Use Deep Sky Blue in your stack

Tailwind (arbitrary value)

Works for any property: text-[#00bfff], border-[#00bfff].

CSS custom property

Reference it anywhere with var(--color).

Build a full theme

Turn Deep Sky Blue into a complete shadcn/ui palette — light & dark, contrast-checked, one-command install.

Extract a theme →

Similar named colors

Dark Turquoise #00CED1 Dodger Blue #1E90FF Aqua #00FFFF Turquoise #40E0D0 Medium Turquoise #48D1CC Light Sea Green #20B2AA

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