Cold Blue

Also known as: Island Oasis, Paradisiacal Getaway, Limpet Shell, Sea Wave

With its cool undertone, Cold Blue (#88DDDD) comes across as crisp and refreshing. Designers reach for it in tech interfaces and water themes. For contrast, pair it with a red from its complementary palette below. Against dark backgrounds it stays legible (13.43:1), but avoid it as text on white.

Cold Blue color codes

HEX
#88DDDD
RGB
rgb(136, 221, 221)
RGBA
rgba(136, 221, 221, 1)
HSL
hsl(180, 56%, 70%)
HSV
hsv(180, 38%, 87%)
CMYK
cmyk(38%, 0%, 0%, 13%)
LAB
lab(82.8 -26.8 -8.6)
OKLCH
oklch(84.4% 0.083 195.7)

Color intelligence

sRGB safe

Displays accurately on every screen and translates well to print.

Temperature

CoolWarm

cool

Nearest standard colors

  • CSS: paleturquoise#AFEEEE · ΔE 5.6
  • RAL 6027 — Light green#81C0BB · ΔE 7.5 · approximate

RAL values are widely published approximations of the physical standard. For Pantone-adjacent workflows, match by eye against a physical fan deck — Pantone's values are proprietary and device-dependent, so we don't print lookups.

Where Cold Blue works

  • Web & UI: Reads as an interactive accent: fills, hovers, focus rings. Keep body text in a darker neutral.
  • Interiors: Use it where you want the eye to land — front door, built-ins, or one bold wall.
  • Fashion: One garment in this color carries an outfit; two starts to compete.
  • Branding: The safest brand-primary family there is; differentiate with an unexpected accent.
  • Web & UI: Use it decoratively — dividers, chart series, illustration accents — and let neutrals carry the type.
  • Branding: Best in a brand's supporting palette — packaging interiors, patterns, campaign accents.

Copy as — every ecosystem

Tints, shades, and tones of Cold Blue

Tints (lighter)

Shades (darker)

Tones (muted)

Color harmonies

Palettes built from Cold Blue by rotating its hue in OKLCH space. Click any swatch to copy its hex code.

Complementary

Analogous

Triadic

Split-complementary

Tetradic

Monochromatic

Contrast & accessibility

Aa — on white

contrast 1.56:1

AA failAAA failAA large fail

Aa — on black

contrast 13.43:1

AA passAAA passAA large pass

Best text color on a Cold Blue background: #000000

Palettes featuring Cold Blue

Cold Blue with its complement

Soft neighbors of Cold Blue

Cold Blue triad

Similar colors

Looking for maximum contrast instead? The complement of Cold Blue is closest to Hard Candy.

Cold Blue FAQs

What color is Cold Blue?

Cold Blue is a medium cyan with the hex code #88DDDD. In HSL terms it has a hue of 180°, 56% saturation, and 70% lightness.

What is the hex code for Cold Blue?

The hex code for Cold Blue is #88DDDD. In RGB it's rgb(136, 221, 221), and in CMYK it's cmyk(38%, 0%, 0%, 13%).

What colors go well with Cold Blue?

Cold Blue pairs naturally with red tones from its complementary harmony, and with pink accents from its split-complementary palette. Its own tints and shades always work as a monochrome scheme.

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