#133258 Color
#133258 is rgb(19, 50, 88) in RGB, hsl(213, 64%, 21%) in HSL, and about cmyk(78%, 43%, 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 4.36. White text is the more readable choice on this background.
#133258rgb(19, 50, 88)hsl(213, 64%, 21%)hsv(213, 78%, 35%)cmyk(78%, 43%, 0%, 65%)oklch(31.6% 0.077 255.1)lab(20.14% -0.11 -26.76)lch(20.14% 26.76 269.76)What #133258 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 #133258, 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.
#133258 Channel Values
How #133258 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 50 · B 88 | 8-bit channels as sent to the display |
| HSL | H 213° · S 64% · L 21% | Easiest model for building lighter and darker variants |
| HSV | H 213° · S 78% · V 35% | Matches the picker in most design tools |
| CMYK | C 78% · M 43% · Y 0% · K 65% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 12.92:1 vs white · 1.62:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #133258 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 #133258 in the contrast checker.
Colors That Go With #133258
Pairings derived from color-wheel relationships. The complementary color sits opposite #133258; 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 #133258
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 #133258.
How #133258 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.
#133258#2E2E58#263058#2A2A58#232E58#003838#053647#313131Using #133258 in Code
Copy-ready declarations for the places this color usually ends up.
--color-133258: #133258;background-color: #133258;colors: { 'color-133258': '#133258' }Color(red: 0.075, green: 0.196, blue: 0.345)<color name="color_133258">#133258</color>fill="#133258"More Blue Colors
#133258 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#133258 Frequently Asked Questions
What color is #133258?
#133258 is a dark blue — rgb(19, 50, 88) in RGB and hsl(213, 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 4.36.
What is the RGB value of #133258?
#133258 is rgb(19, 50, 88) — red 19, green 50, and blue 88 on the 0-255 scale.
What is the CMYK value of #133258?
#133258 converts to approximately cmyk(78%, 43%, 0%, 65%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #133258 be black or white?
White text is the more readable choice. #133258 scores 12.92:1 against white and 1.62:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #133258 as a CSS color keyword?
No. #133258 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 28.1, which is a different colour altogether.
Open #133258 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.