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#18016A Color

#18016A is rgb(24, 1, 106) in RGB, hsl(253, 98%, 21%) in HSL, and about cmyk(77%, 99%, 0%, 58%) in CMYK. It has no registered color name of its own — the closest is Persian Indigo (#32127A), clearly related but distinguishable side by side at ΔE 7.55. White text is the more readable choice on this background.

#18016A
HEX#18016A
RGBrgb(24, 1, 106)
HSLhsl(253, 98%, 21%)
HSVhsv(253, 99%, 42%)
CMYKcmyk(77%, 99%, 0%, 58%)
OKLCHoklch(25.2% 0.156 275.8)
LABlab(9.79% 36.28 -55.52)
LCHlch(9.79% 66.32 303.16)

What #18016A Is Called

Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #18016A, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Browse the full index of named colors A-Z or every blue in the library.

#18016A Channel Values

How #18016A breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

ModelChannelsNotes
RGBR 24 · G 1 · B 1068-bit channels as sent to the display
HSLH 253° · S 98% · L 21%Easiest model for building lighter and darker variants
HSVH 253° · S 99% · V 42%Matches the picker in most design tools
CMYKC 77% · M 99% · Y 0% · K 58%Approximate ink mix; confirm with an ICC profile before printing
Luminance16.78:1 vs white · 1.25:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #18016A background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

TextWhite text16.78:1AA normal AA large AAA normal
Fails AABlack text1.25:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #18016A in the contrast checker.

Colors That Go With #18016A

Pairings derived from color-wheel relationships. The complementary color sits opposite #18016A; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
Complementary
Analogous
Analogous
Triadic
Triadic
Split comp.
Split comp.

Tints & Shades of #18016A

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #18016A.

How #18016A Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#18016A
Protanopia#06066A
Protanomaly#0F046A
Deuteranopia#0B0B6A
Deuteranomaly#11076A
Tritanopia#002525
Tritanomaly#001B4A
Achromatopsia#1D1D1D

Test a full palette in the color blindness simulator.

Using #18016A in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-18016a: #18016A;
CSS backgroundbackground-color: #18016A;
Tailwind configcolors: { 'color-18016a': '#18016A' }
SwiftUIColor(red: 0.094, green: 0.004, blue: 0.416)
Android XML<color name="color_18016a">#18016A</color>
SVG fillfill="#18016A"

More Blue Colors

#18016A sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

#18016A Frequently Asked Questions

What color is #18016A?

#18016A is a dark blue — rgb(24, 1, 106) in RGB and hsl(253, 98%, 21%) in HSL. It carries no registered color name of its own; the closest named color is Persian Indigo (#32127A), which is clearly related but distinguishable side by side at a CIE76 distance of 7.55.

What is the RGB value of #18016A?

#18016A is rgb(24, 1, 106) — red 24, green 1, and blue 106 on the 0-255 scale.

What is the CMYK value of #18016A?

#18016A converts to approximately cmyk(77%, 99%, 0%, 58%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #18016A be black or white?

White text is the more readable choice. #18016A scores 16.78:1 against white and 1.25:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #18016A as a CSS color keyword?

No. #18016A is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is midnightblue (#191970) at a CIE76 distance of 12.42, which is visibly different.

Open #18016A in a Tool

Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.