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Color detail

Cerulean Nocturne Clear

Blue · Hue 190
Hex
#17454F
RGB
rgb(23, 69, 79)
HSL
hsl(190, 54%, 20%)
CMYK
cmyk(71%, 13%, 0%, 69%)
Metrics
S 54% · L 20%
Contrast (WCAG)
on white
10.5:1AA
on black
2:1Fail
Sign in to saveStart palette from thisRecent trail

About this color

Cerulean Nocturne Clear (#17454F) belongs to the blue family — hue 190°, 54% 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-cerulean-nocturne-clear: #17454F;
  --colorarchive-cerulean-nocturne-clear-hsl: hsl(190, 54%, 20%);
  --colorarchive-cerulean-nocturne-clear-rgb: rgb(23, 69, 79);
}

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
Cerulean Shadow Clear
#21616E · hsl(190, 54%, 28%)
Darker companion
Cerulean Ink Clear
#103137 · hsl(190, 54%, 14%)
Complementary counterpoint
Ruby Nocturne Clear
#4F2117 · hsl(10, 54%, 20%)
Analogous lead
Sapphire Nocturne Clear
#17334F · hsl(210, 54%, 20%)
Analogous echo
Lagoon Nocturne Clear
#174F45 · hsl(170, 54%, 20%)
Triadic +120°
Peony Nocturne Clear
#4F1745 · hsl(310, 54%, 20%)
Triadic +240°
Honey Nocturne Clear
#454F17 · hsl(70, 54%, 20%)
Split-comp +150°
Garnet Nocturne Clear
#4F172A · hsl(340, 54%, 20%)
Split-comp +210°
Apricot Nocturne Clear
#4F3C17 · hsl(40, 54%, 20%)
Export preview
Base: Cerulean Nocturne Clear #17454F
Lighter companion: Cerulean Shadow Clear #21616E
Darker companion: Cerulean Ink Clear #103137
Complementary counterpoint: Ruby Nocturne Clear #4F2117
Analogous lead: Sapphire Nocturne Clear #17334F
Analogous echo: Lagoon Nocturne Clear #174F45
Triadic +120°: Peony Nocturne Clear #4F1745
Triadic +240°: Honey Nocturne Clear #454F17
Split-comp +150°: Garnet Nocturne Clear #4F172A
Split-comp +210°: Apricot Nocturne Clear #4F3C17

Nearest neighbors

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

Search by hex
Nearby match
Cerulean Ink Clear
#103137 · hsl(190, 54%, 14%)
Nearby match
Cerulean Shadow Clear
#21616E · hsl(190, 54%, 28%)
Nearby match
Cerulean Nocturne Soft
#223F44 · hsl(190, 34%, 20%)
Nearby match
Cerulean Nocturne Vivid
#0D4C59 · hsl(190, 74%, 20%)
Nearby match
Cerulean Dusk Clear
#287686 · hsl(190, 54%, 34%)
Nearby match
Aqua Nocturne Clear
#174F4F · hsl(180, 54%, 20%)

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
AAA10.1:1
Ruby Veil Faint
#FAFAF9
AAA10:1
Ruby Veil Muted
#FBF9F9
AAA10:1
Ruby Veil Dust
#FBF9F9
AAA10:1
Ruby Veil Soft
#FCF9F8
AAA10:1
Ruby Veil Clear
#FDF8F7
AAA9.9:1
Ruby Veil Vivid
#FEF7F6

Color Vision Simulation

How this color appears with different color vision deficiencies.

Full simulator
Deuteranopia
#2E2B4C
Protanopia
#31314D
Tritanopia
#1B4B4A
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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%)