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#133C5E Color

#133C5E is rgb(19, 60, 94) in RGB, hsl(207, 66%, 22%) in HSL, and about cmyk(80%, 36%, 0%, 63%) in CMYK. It has no registered color name of its own — the closest is Prussian Blue (#003153), clearly related but distinguishable side by side at ΔE 5.02. White text is the more readable choice on this background.

#133C5E
HEX#133C5E
RGBrgb(19, 60, 94)
HSLhsl(207, 66%, 22%)
HSVhsv(207, 80%, 37%)
CMYKcmyk(80%, 36%, 0%, 63%)
OKLCHoklch(34.6% 0.075 247.3)
LABlab(23.88% -4.38 -24.78)
LCHlch(23.88% 25.17 259.98)

What #133C5E 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 #133C5E, 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.

#133C5E Channel Values

How #133C5E 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 19 · G 60 · B 948-bit channels as sent to the display
HSLH 207° · S 66% · L 22%Easiest model for building lighter and darker variants
HSVH 207° · S 80% · V 37%Matches the picker in most design tools
CMYKC 80% · M 36% · Y 0% · K 63%Approximate ink mix; confirm with an ICC profile before printing
Luminance11.44:1 vs white · 1.84:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #133C5E 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 text11.44:1AA normal AA large AAA normal
Fails AABlack text1.84:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #133C5E in the contrast checker.

Colors That Go With #133C5E

Pairings derived from color-wheel relationships. The complementary color sits opposite #133C5E; 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 #133C5E

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 #133C5E.

How #133C5E 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#133C5E
Protanopia#37375E
Protanomaly#2D395E
Deuteranopia#32325E
Deuteranomaly#29365E
Tritanopia#004141
Tritanomaly#053F4E
Achromatopsia#3A3A3A

Test a full palette in the color blindness simulator.

Using #133C5E in Code

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

CSS custom property--color-133c5e: #133C5E;
CSS backgroundbackground-color: #133C5E;
Tailwind configcolors: { 'color-133c5e': '#133C5E' }
SwiftUIColor(red: 0.075, green: 0.235, blue: 0.369)
Android XML<color name="color_133c5e">#133C5E</color>
SVG fillfill="#133C5E"

More Blue Colors

#133C5E sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

#133C5E Frequently Asked Questions

What color is #133C5E?

#133C5E is a dark blue — rgb(19, 60, 94) in RGB and hsl(207, 66%, 22%) in HSL. It carries no registered color name of its own; the closest named color is Prussian Blue (#003153), which is clearly related but distinguishable side by side at a CIE76 distance of 5.02.

What is the RGB value of #133C5E?

#133C5E is rgb(19, 60, 94) — red 19, green 60, and blue 94 on the 0-255 scale.

What is the CMYK value of #133C5E?

#133C5E converts to approximately cmyk(80%, 36%, 0%, 63%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #133C5E be black or white?

White text is the more readable choice. #133C5E scores 11.44:1 against white and 1.84:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #133C5E as a CSS color keyword?

No. #133C5E 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 darkslategray (#2F4F4F) at a CIE76 distance of 23.44, which is visibly different.

Open #133C5E in a Tool

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