We're live on Product Hunt!Support us
ColorArchive

A curated color library with 5,000+ algorithmically generated colors. Browse, search, save favorites, and export palette tokens — no account required.

CollectionsFamiliesNotesGuidesFree ResourcesConvertColorblindAboutSupportUpdates
Ready for static export
Privacy·Terms·Refunds·Cookies·Commerce Disclosure
colorarchive.org · © 2026 ColorArchive
Skip to content
ColorArchive
ProLog in
ArchiveAll ColorsCollections
Color detail

Cobalt Nocturne Muted

Blue · Hue 220
Hex
#2A303C
RGB
rgb(42, 48, 60)
HSL
hsl(220, 18%, 20%)
CMYK
cmyk(30%, 20%, 0%, 76%)
Metrics
S 18% · L 20%
Contrast (WCAG)
on white
13.2:1AA
on black
1.6:1Fail
Sign in to saveStart palette from thisRecent trail

About this color

Cobalt Nocturne Muted (#2A303C) belongs to the blue family — hue 220°, 18% saturation, 20% 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-nocturne-muted: #2A303C;
  --colorarchive-cobalt-nocturne-muted-hsl: hsl(220, 18%, 20%);
  --colorarchive-cobalt-nocturne-muted-rgb: rgb(42, 48, 60);
}

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 Shadow Muted
#3B4354 · hsl(220, 18%, 28%)
Darker companion
Cobalt Ink Muted
#1D222A · hsl(220, 18%, 14%)
Complementary counterpoint
Apricot Nocturne Muted
#3C362A · hsl(40, 18%, 20%)
Analogous lead
Amethyst Nocturne Muted
#2B2A3C · hsl(245, 18%, 20%)
Analogous echo
Azure Nocturne Muted
#2A363C · hsl(200, 18%, 20%)
Triadic +120°
Garnet Nocturne Muted
#3C2A30 · hsl(340, 18%, 20%)
Triadic +240°
Moss Nocturne Muted
#303C2A · hsl(100, 18%, 20%)
Split-comp +150°
Ruby Nocturne Muted
#3C2D2A · hsl(10, 18%, 20%)
Split-comp +210°
Honey Nocturne Muted
#393C2A · hsl(70, 18%, 20%)
Export preview
Base: Cobalt Nocturne Muted #2A303C
Lighter companion: Cobalt Shadow Muted #3B4354
Darker companion: Cobalt Ink Muted #1D222A
Complementary counterpoint: Apricot Nocturne Muted #3C362A
Analogous lead: Amethyst Nocturne Muted #2B2A3C
Analogous echo: Azure Nocturne Muted #2A363C
Triadic +120°: Garnet Nocturne Muted #3C2A30
Triadic +240°: Moss Nocturne Muted #303C2A
Split-comp +150°: Ruby Nocturne Muted #3C2D2A
Split-comp +210°: Honey Nocturne Muted #393C2A

Nearest neighbors

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

Search by hex
Nearby match
Cobalt Nocturne Faint
#2E3138 · hsl(220, 10%, 20%)
Nearby match
Cobalt Nocturne Dust
#262F40 · hsl(220, 26%, 20%)
Nearby match
Cobalt Ink Muted
#1D222A · hsl(220, 18%, 14%)
Nearby match
Cobalt Shadow Muted
#3B4354 · hsl(220, 18%, 28%)
Nearby match
Cobalt Nocturne Soft
#222D44 · hsl(220, 34%, 20%)
Nearby match
Cobalt Ink Faint
#202327 · hsl(220, 10%, 14%)

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
AAA12.7:1
Apricot Veil Faint
#FAFAF9
AAA12.7:1
Apricot Veil Muted
#FBFAF9
AAA12.7:1
Apricot Veil Dust
#FBFAF9
AAA12.7:1
Apricot Veil Soft
#FCFAF8
AAA12.8:1
Apricot Veil Clear
#FDFBF7
AAA12.8:1
Apricot Veil Vivid
#FEFBF6

Color Vision Simulation

How this color appears with different color vision deficiencies.

Full simulator
Deuteranopia
#2C2C39
Protanopia
#2D2D39
Tritanopia
#2A3737
Ready to build

Turn these colors into design tokens

ColorArchive Pro includes CSS variables, Figma tokens, Tailwind config, and Procreate swatches — ready to drop into any project.

Upgrade to ProFree downloadView collections

Related colors

More from Blue

Search
Cerulean Ink Faint#202627 · hsl(190, 10%, 14%)Cerulean Nocturne Faint#2E3638 · hsl(190, 10%, 20%)Cerulean Shadow Faint#404C4F · hsl(190, 10%, 28%)Cerulean Dusk Faint#4E5C5F · hsl(190, 10%, 34%)Cerulean Velvet Faint#607276 · hsl(190, 10%, 42%)Cerulean Core Faint#6E8387 · hsl(190, 10%, 48%)Cerulean Radiant Faint#7E9295 · hsl(190, 10%, 54%)Cerulean Tone Faint#8FA0A3 · hsl(190, 10%, 60%)
Appears in collections
Deep TideMoonlit GardenInk and GoldDark Mode FoundationDeep Ocean Trench