Arctic

Also known as: Thundercloud, Hammock, Gothic, Winter in Paris

Arctic brings a crisp and refreshing feel to any palette. This medium cyan is a natural fit for tech interfaces and water themes. Reach for a red companion shade to give Arctic maximum contrast. For accessible text, use it on black or near-black backgrounds (5.26:1, passes WCAG AA) rather than white.

Arctic color codes

HEX
#648589
RGB
rgb(100, 133, 137)
RGBA
rgba(100, 133, 137, 1)
HSL
hsl(186, 16%, 46%)
HSV
hsv(186, 27%, 54%)
CMYK
cmyk(27%, 3%, 0%, 46%)
LAB
lab(53.1 -11.3 -6.2)
OKLCH
oklch(59.3% 0.038 205.4)

Color intelligence

sRGB safe

Displays accurately on every screen and translates well to print.

Temperature

CoolWarm

neutral, leaning cool

subtle cyan undertone in this near-neutral

Nearest standard colors

  • CSS: cadetblue#5F9EA0 · ΔE 9.7
  • RAL 7000 — Squirrel grey#7E8B92 · ΔE 8.4 · 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 Arctic works

  • Web & UI: Use it decoratively — dividers, chart series, illustration accents — and let neutrals carry the type.
  • Interiors: Use it where you want the eye to land — front door, built-ins, or one bold wall.
  • Fashion: Works as a base layer or outerwear tone that lets brighter pieces do the talking.
  • Branding: The safest brand-primary family there is; differentiate with an unexpected accent.
  • Fashion: One garment in this color carries an outfit; two starts to compete.
  • Branding: Best in a brand's supporting palette — packaging interiors, patterns, campaign accents.

Copy as — every ecosystem

Tints, shades, and tones of Arctic

Tints (lighter)

Shades (darker)

Tones (muted)

Color harmonies

Palettes built from Arctic 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 3.99:1

AA failAAA failAA large pass

Aa — on black

contrast 5.26:1

AA passAAA failAA large pass

Best text color on a Arctic background: #000000

Palettes featuring Arctic

Arctic with its complement

Soft neighbors of Arctic

Arctic triad

Similar colors

Looking for maximum contrast instead? The complement of Arctic is closest to Opium.

Arctic FAQs

What color is Arctic?

Arctic is a medium cyan with the hex code #648589. In HSL terms it has a hue of 186°, 16% saturation, and 46% lightness.

What is the hex code for Arctic?

The hex code for Arctic is #648589. In RGB it's rgb(100, 133, 137), and in CMYK it's cmyk(27%, 3%, 0%, 46%).

What colors go well with Arctic?

Arctic pairs naturally with red tones from its complementary harmony. Its own tints and shades always work as a monochrome scheme.

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