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Color detail

Cobalt Core Clear

Blue · Hue 220
Hex
#3864BC
RGB
rgb(56, 100, 188)
HSL
hsl(220, 54%, 48%)
CMYK
cmyk(70%, 47%, 0%, 26%)
Metrics
S 54% · L 48%
Contrast (WCAG)
on white
5.6:1AA
on black
3.7:1AA Large
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About this color

Cobalt Core Clear (#3864BC) belongs to the blue family — hue 220°, 54% saturation, 48% lightness. Copy the hex, RGB, or HSL value above, or paste the CSS custom property below into your stylesheet to reference this color directly.

CSS
:root {
  --colorarchive-cobalt-core-clear: #3864BC;
  --colorarchive-cobalt-core-clear-hsl: hsl(220, 54%, 48%);
  --colorarchive-cobalt-core-clear-rgb: rgb(56, 100, 188);
}

AI Color Names

Let AI suggest alternative poetic names for this color in English and Chinese.

Tonal strip

All lightness levels at this hue and saturation. Click any to navigate.

Palette moves

Instead of stopping at one swatch, use nearby, opposite, and tonal neighbors to branch into a broader palette.

Lighter companion
Cobalt Radiant Clear
#4A75C9 · hsl(220, 54%, 54%)
Darker companion
Cobalt Velvet Clear
#3158A5 · hsl(220, 54%, 42%)
Complementary counterpoint
Apricot Core Clear
#BC9038 · hsl(40, 54%, 48%)
Analogous lead
Amethyst Core Clear
#4338BC · hsl(245, 54%, 48%)
Analogous echo
Azure Core Clear
#3890BC · hsl(200, 54%, 48%)
Triadic +120°
Garnet Core Clear
#BC3864 · hsl(340, 54%, 48%)
Triadic +240°
Moss Core Clear
#64BC38 · hsl(100, 54%, 48%)
Split-comp +150°
Ruby Core Clear
#BC4E38 · hsl(10, 54%, 48%)
Split-comp +210°
Honey Core Clear
#A6BC38 · hsl(70, 54%, 48%)
Export preview
Base: Cobalt Core Clear #3864BC
Lighter companion: Cobalt Radiant Clear #4A75C9
Darker companion: Cobalt Velvet Clear #3158A5
Complementary counterpoint: Apricot Core Clear #BC9038
Analogous lead: Amethyst Core Clear #4338BC
Analogous echo: Azure Core Clear #3890BC
Triadic +120°: Garnet Core Clear #BC3864
Triadic +240°: Moss Core Clear #64BC38
Split-comp +150°: Ruby Core Clear #BC4E38
Split-comp +210°: Honey Core Clear #A6BC38

Nearest neighbors

The closest archive matches by hue, saturation, and lightness.

Search by hex
Nearby match
Cobalt Velvet Clear
#3158A5 · hsl(220, 54%, 42%)
Nearby match
Cobalt Radiant Clear
#4A75C9 · hsl(220, 54%, 54%)
Nearby match
Cobalt Tone Clear
#6287D0 · hsl(220, 54%, 60%)
Nearby match
Cobalt Core Soft
#516DA4 · hsl(220, 34%, 48%)
Nearby match
Cobalt Core Vivid
#205CD5 · hsl(220, 74%, 48%)
Nearby match
Cobalt Dusk Clear
#284786 · hsl(220, 54%, 34%)

Accessible pairings

Archive colors that meet WCAG contrast standards when paired with this color. Use as text-on-background or background-on-text.

Contrast checker
AA5.4:1
Apricot Veil Faint
#FAFAF9
AA5.4:1
Apricot Veil Muted
#FBFAF9
AA5.4:1
Apricot Veil Dust
#FBFAF9
AA5.4:1
Apricot Veil Soft
#FCFAF8
AA5.5:1
Apricot Veil Clear
#FDFBF7
AA5.5:1
Apricot Veil Vivid
#FEFBF6

Color Vision Simulation

How this color appears with different color vision deficiencies.

Full simulator
Deuteranopia
#4C49A8
Protanopia
#4F4FAC
Tritanopia
#3B9E9A
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Appears in collections
Cobalt Spectrum2026 Cobalt Confidence