Peek-a-Blue
Also known as: Wishy-Washy Blue, Cold Wave, Mellifluous Blue, Cold Air Turquoise
With its cool undertone, Peek-a-Blue (#C5E1E1) 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. Accessibility-wise, it needs a dark backdrop — 15.23:1 on black clears AA.
Peek-a-Blue color codes
- HEX
- #C5E1E1
- RGB
- rgb(197, 225, 225)
- RGBA
- rgba(197, 225, 225, 1)
- HSL
- hsl(180, 32%, 83%)
- HSV
- hsv(180, 12%, 88%)
- CMYK
- cmyk(12%, 0%, 0%, 12%)
- LAB
- lab(87.5 -9.6 -3.3)
- OKLCH
- oklch(88.9% 0.030 196.6)
Color intelligence
Displays accurately on every screen and translates well to print.
Temperature
neutral, leaning cool
subtle cyan undertone in this near-neutral
Nearest standard colors
- CSS: powderblue#B0E0E6 · ΔE 5.1
- RAL 7035 — Light grey#CBD0CC · ΔE 8.7 · 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 Peek-a-Blue works
- Web & UI: Use it decoratively — dividers, chart series, illustration accents — and let neutrals carry the type.
- Interiors: Muted enough to paint all four walls; sample it in both daylight and evening light before committing.
- 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.
- Interiors: Use it where you want the eye to land — front door, built-ins, or one bold wall.
- Branding: Best in a brand's supporting palette — packaging interiors, patterns, campaign accents.
Copy as — every ecosystem
Tints, shades, and tones of Peek-a-Blue
Tints (lighter)
Shades (darker)
Color harmonies
Palettes built from Peek-a-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 1.38:1
AA failAAA failAA large fail
Aa — on black
contrast 15.23:1
AA passAAA passAA large pass
Best text color on a Peek-a-Blue background: #000000
Palettes featuring Peek-a-Blue
Peek-a-Blue with its complement
Soft neighbors of Peek-a-Blue
Peek-a-Blue triad
Similar colors
- Cold Wave#C2E2E3 · ΔE 1.1
- Poolside#BEE0E2 · ΔE 1.8
- Swimming#C2E5E5 · ΔE 2.0
- Swan Lake#C5E5E2 · ΔE 2.0
- Teardrop#D1EAEA · ΔE 2.3
- Quick-Freeze#BDDBE1 · ΔE 3.0
Looking for maximum contrast instead? The complement of Peek-a-Blue is closest to Fresco.
Peek-a-Blue FAQs
What color is Peek-a-Blue?
Peek-a-Blue is a light cyan with the hex code #C5E1E1. In HSL terms it has a hue of 180°, 32% saturation, and 83% lightness.
What is the hex code for Peek-a-Blue?
The hex code for Peek-a-Blue is #C5E1E1. In RGB it's rgb(197, 225, 225), and in CMYK it's cmyk(12%, 0%, 0%, 12%).
What colors go well with Peek-a-Blue?
Peek-a-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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