#133358 Color
#133358 is rgb(19, 51, 88) in RGB, hsl(212, 64%, 21%) in HSL, and about cmyk(78%, 42%, 0%, 65%) in CMYK. It has no registered color name of its own — the closest is Prussian Blue (#003153), very hard to tell apart at ΔE 3.76. White text is the more readable choice on this background.
#133358rgb(19, 51, 88)hsl(212, 64%, 21%)hsv(212, 78%, 35%)cmyk(78%, 42%, 0%, 65%)oklch(31.8% 0.076 254)lab(20.48% -0.76 -26.22)lch(20.48% 26.23 268.33)What #133358 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 #133358, 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.
#133358 Channel Values
How #133358 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 51 · B 88 | 8-bit channels as sent to the display |
| HSL | H 212° · S 64% · L 21% | Easiest model for building lighter and darker variants |
| HSV | H 212° · S 78% · V 35% | Matches the picker in most design tools |
| CMYK | C 78% · M 42% · Y 0% · K 65% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 12.79:1 vs white · 1.64:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #133358 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 #133358 in the contrast checker.
Colors That Go With #133358
Pairings derived from color-wheel relationships. The complementary color sits opposite #133358; 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 #133358
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 #133358.
How #133358 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.
#133358#2F2F58#263158#2B2B58#232E58#003939#053747#323232Using #133358 in Code
Copy-ready declarations for the places this color usually ends up.
--color-133358: #133358;background-color: #133358;colors: { 'color-133358': '#133358' }Color(red: 0.075, green: 0.200, blue: 0.345)<color name="color_133358">#133358</color>fill="#133358"More Blue Colors
#133358 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#133358 Frequently Asked Questions
What color is #133358?
#133358 is a dark blue — rgb(19, 51, 88) in RGB and hsl(212, 64%, 21%) in HSL. It carries no registered color name of its own; the closest named color is Prussian Blue (#003153), which is very hard to tell apart at a CIE76 distance of 3.76.
What is the RGB value of #133358?
#133358 is rgb(19, 51, 88) — red 19, green 51, and blue 88 on the 0-255 scale.
What is the CMYK value of #133358?
#133358 converts to approximately cmyk(78%, 42%, 0%, 65%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #133358 be black or white?
White text is the more readable choice. #133358 scores 12.79:1 against white and 1.64:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #133358 as a CSS color keyword?
No. #133358 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 27.25, which is a different colour altogether.
Open #133358 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.