Maroon Colors  ·  Color Library

Palettes / Colors / #181CDC

#181CDC — Vivid Blue

#181CDC is a blue color we call Vivid Blue, closest to the named color Blue (#0000FF). It belongs to the blue family.

Color name

Closest CSS keyword: blue (#0000FF) — not an exact match. CSS blue gives you #0000FF, a different color; use #181CDC when you need this exact shade.

Sources: common names follow widely used color-name references; CSS keywords and their hex values follow the CSS Color specification.

#181CDC is a cool blue color associated with trust, calm and professionalism. It is saturated enough to be the accent — buttons, highlights and calls to action — while neutrals do the quiet work around it.

Its strongest partner is its complement #DCD918; it also sits naturally between #187EDC and #7718DC. In the palettes below you can see it working alongside real color combinations from our collection.

#181CDC · RGB 24, 28, 220

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Color values

HEX#181CDC
RGB24, 28, 220
HSL239°, 80%, 48%
HSV239°, 89%, 86%
CMYK89%, 87%, 0%, 14%
XYZ13.71, 6.19, 68.18
Yxy6.19, 0.1556, 0.0703
CIE-Lab29.89, 64.41, -91.98
Hunter Lab24.88, 57.02, -152.02

RGB & CMYK percentages

Red 9% · Green 11% · Blue 86%

Cyan 89% · Magenta 87% · Yellow 0% · Key 14%

CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.

Previews

Sample text in #181CDC on black
Lorem ipsum dolor sit amet, consectetur adipiscing elit.
Sample text in #181CDC on white
Lorem ipsum dolor sit amet, consectetur adipiscing elit.

CSS code for #181CDC

.text { color: #181CDC; }
.background { background-color: #181CDC; }
.border { border: 3px solid #181CDC; }
.text-rgb { color: rgb(24, 28, 220); }
.text-hsl { color: hsl(239, 80%, 48%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #181CDC; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(24, 28, 220, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #181CDC; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(24, 28, 220, 0.8); }

HTML: <p style="color:#181CDC">Text here</p> · <div style="background-color:#181CDC">Div content here</div>

Shades of #181CDC

#1619CA#1417B3#1214A1#0F118A#0D0F77#0B0D65#090A4E#07083C#040525#020212

Tints of #181CDC

#272AE7#3E41EA#5153EC#686AEE#7E80F1#9597F3#ACAEF6#BFC0F8#D6D6FA#EDEDFD

Tones of #181CDC

#2629CF#3537C0#4244B3#5152A4#5E5F97#6D6D88

Color harmonies

Complementary — #DCD918:

Analogous:

Triadic:

Contrast & accessibility

Against white text9.38:1 AAA
Against black text2.24:1 Fails

Best text color on #181CDC: #FFFFFF.

Semi-transparent (opacity) text on #181CDC

Text set with opacity blends into the background, so its real contrast is lower than the solid ratios above. Choose a text color and an opacity to see the blended color and its true ratio:

100%
Sample heading text
Smaller body text shows the effect best.

Blended color: · Contrast against #181CDC: ·

How #181CDC looks with color blindness

Simulated with standard Machado color-vision-deficiency matrices — useful when this color carries meaning in charts, maps or interfaces:

Protanopia · #1A1AAEDeuteranopia · #1A19A2Tritanopia · #188981

Closest design-system colors

The nearest matches in the Tailwind CSS, Material Design and Bootstrap palettes — handy when you need a framework class instead of a raw hex:

Tailwind indigo 600 · #4F46E5Tailwind blue 600 · #2563EBMaterial Indigo 500 · #3F51B5

Palettes with a similar color

These palettes use a close neighbour of #181CDC rather than the exact color:

Wild Ruby Monsoon
#827B10 · #E9C74D · #1B26E1 · #BCBDF2
Amber Monsoon
#6B6BEB · #4B4BDD · #1D1DCD · #161688
Tranquil Summit
#235EE8 · #2314D2 · #7524D7 · #A613C4
Frozen Ruby Dusk
#B11E1E · #1EB21E · #2726DB · #F2D2D2
Crystal Ruby Zephyr
#31DEB3 · #2CC4DE · #5A99E4 · #1F2AD1
Dusty Horizon
#3595DD · #1D2FE0 · #A573F2 · #D835F0

Similar colors

The closest colors that actually appear in our palette collection — click any to open its page:

#1B26E1#1D1DCD#2314D2#2726DB#1F2AD1#1D2FE0#1D24CA#1610CB#212FDE#1323C7#252CE8#152BC9

Browse neighbouring colors

← #181CDB  ·  #181CDD →

Frequently asked questions

What color is #181CDC?

#181CDC is Vivid Blue, a blue color (RGB 24, 28, 220). Its closest standard named color is Blue.

What is the RGB and HSL of #181CDC?

#181CDC is RGB 24, 28, 220 — HSL 239°, 80%, 48% — CMYK 89%, 87%, 0%, 14%.

What colors go with #181CDC?

Its complement is #DCD918; analogous partners are #187EDC and #7718DC. It also appears in 6+ palettes in our collection.

Can I use #181CDC for text?

White text on #181CDC has a contrast ratio of 9.38:1 (passes WCAG AA); black text gives 2.24:1.