#133163 Color
#133163 is rgb(19, 49, 99) in RGB, hsl(218, 68%, 23%) in HSL, and about cmyk(81%, 51%, 0%, 61%) in CMYK. It has no registered color name of its own — the closest is Dark Midnight Blue (#003366), very hard to tell apart at ΔE 2.97. White text is the more readable choice on this background.
#133163rgb(19, 49, 99)hsl(218, 68%, 23%)hsv(218, 81%, 39%)cmyk(81%, 51%, 0%, 61%)oklch(32.1% 0.096 260.1)lab(20.45% 4.42 -33.47)lch(20.45% 33.76 277.53)What #133163 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 #133163, 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.
#133163 Channel Values
How #133163 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.
| Model | Channels | Notes |
|---|---|---|
| RGB | R 19 · G 49 · B 99 | 8-bit channels as sent to the display |
| HSL | H 218° · S 68% · L 23% | Easiest model for building lighter and darker variants |
| HSV | H 218° · S 81% · V 39% | Matches the picker in most design tools |
| CMYK | C 81% · M 51% · Y 0% · K 61% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 12.75:1 vs white · 1.65:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #133163 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.
Need a specific ratio against another background? Open #133163 in the contrast checker.
Colors That Go With #133163
Pairings derived from color-wheel relationships. The complementary color sits opposite #133163; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.
Tints & Shades of #133163
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.
Want a full 50-950 ramp with semantic roles? Generate design tokens from #133163.
How #133163 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.
#133163#2D2D63#252F63#2A2A63#222D63#003A3A#00374E#323232Using #133163 in Code
Copy-ready declarations for the places this color usually ends up.
--color-133163: #133163;background-color: #133163;colors: { 'color-133163': '#133163' }Color(red: 0.075, green: 0.192, blue: 0.388)<color name="color_133163">#133163</color>fill="#133163"More Blue Colors
#133163 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#133163 Frequently Asked Questions
What color is #133163?
#133163 is a dark blue — rgb(19, 49, 99) in RGB and hsl(218, 68%, 23%) in HSL. It carries no registered color name of its own; the closest named color is Dark Midnight Blue (#003366), which is very hard to tell apart at a CIE76 distance of 2.97.
What is the RGB value of #133163?
#133163 is rgb(19, 49, 99) — red 19, green 49, and blue 99 on the 0-255 scale.
What is the CMYK value of #133163?
#133163 converts to approximately cmyk(81%, 51%, 0%, 61%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #133163 be black or white?
White text is the more readable choice. #133163 scores 12.75:1 against white and 1.65:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #133163 as a CSS color keyword?
No. #133163 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 darkslateblue (#483D8B) at a CIE76 distance of 21.71, which is visibly different.
Open #133163 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.