#133E5D Color
#133E5D is rgb(19, 62, 93) in RGB, hsl(205, 66%, 22%) in HSL, and about cmyk(80%, 33%, 0%, 64%) 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 6.33. White text is the more readable choice on this background.
#133E5Drgb(19, 62, 93)hsl(205, 66%, 22%)hsv(205, 80%, 36%)cmyk(80%, 33%, 0%, 64%)oklch(35.1% 0.071 244)lab(24.52% -5.92 -23.13)lch(24.52% 23.88 255.63)What #133E5D 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 #133E5D, 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.
#133E5D Channel Values
How #133E5D 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 62 · B 93 | 8-bit channels as sent to the display |
| HSL | H 205° · S 66% · L 22% | Easiest model for building lighter and darker variants |
| HSV | H 205° · S 80% · V 36% | Matches the picker in most design tools |
| CMYK | C 80% · M 33% · Y 0% · K 64% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 11.2:1 vs white · 1.87:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #133E5D 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 #133E5D in the contrast checker.
Colors That Go With #133E5D
Pairings derived from color-wheel relationships. The complementary color sits opposite #133E5D; 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 #133E5D
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 #133E5D.
How #133E5D 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.
#133E5D#39395D#2E3B5D#34345D#2A385D#004343#06414F#3B3B3BUsing #133E5D in Code
Copy-ready declarations for the places this color usually ends up.
--color-133e5d: #133E5D;background-color: #133E5D;colors: { 'color-133e5d': '#133E5D' }Color(red: 0.075, green: 0.243, blue: 0.365)<color name="color_133e5d">#133E5D</color>fill="#133E5D"More Blue Colors
#133E5D sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#133E5D Frequently Asked Questions
What color is #133E5D?
#133E5D is a dark blue — rgb(19, 62, 93) in RGB and hsl(205, 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 6.33.
What is the RGB value of #133E5D?
#133E5D is rgb(19, 62, 93) — red 19, green 62, and blue 93 on the 0-255 scale.
What is the CMYK value of #133E5D?
#133E5D converts to approximately cmyk(80%, 33%, 0%, 64%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #133E5D be black or white?
White text is the more readable choice. #133E5D scores 11.2:1 against white and 1.87:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #133E5D as a CSS color keyword?
No. #133E5D 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 21.27, which is visibly different.
Open #133E5D in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.