#355973 Color
#355973 is rgb(53, 89, 115) in RGB, hsl(205, 37%, 33%) in HSL, and about cmyk(54%, 23%, 0%, 55%) in CMYK. It has no registered color name of its own — the closest is Police Blue (#374F6B), clearly related but distinguishable side by side at ΔE 5.44. White text is the more readable choice on this background.
#355973rgb(53, 89, 115)hsl(205, 37%, 33%)hsv(205, 54%, 45%)cmyk(54%, 23%, 0%, 55%)oklch(44.8% 0.06 241.2)lab(35.97% -7.29 -19.14)lch(35.97% 20.48 249.16)What #355973 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 #355973, 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.
#355973 Channel Values
How #355973 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 53 · G 89 · B 115 | 8-bit channels as sent to the display |
| HSL | H 205° · S 37% · L 33% | Easiest model for building lighter and darker variants |
| HSV | H 205° · S 54% · V 45% | Matches the picker in most design tools |
| CMYK | C 54% · M 23% · Y 0% · K 55% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.43:1 vs white · 2.83:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #355973 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 #355973 in the contrast checker.
Colors That Go With #355973
Pairings derived from color-wheel relationships. The complementary color sits opposite #355973; 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 #355973
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 #355973.
How #355973 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.
#355973#545473#4A5673#4F4F74#465373#2D5D5D#315B66#555555Using #355973 in Code
Copy-ready declarations for the places this color usually ends up.
--color-355973: #355973;background-color: #355973;colors: { 'color-355973': '#355973' }Color(red: 0.208, green: 0.349, blue: 0.451)<color name="color_355973">#355973</color>fill="#355973"More Blue Colors
#355973 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#355973 Frequently Asked Questions
What color is #355973?
#355973 is a dark blue — rgb(53, 89, 115) in RGB and hsl(205, 37%, 33%) in HSL. It carries no registered color name of its own; the closest named color is Police Blue (#374F6B), which is clearly related but distinguishable side by side at a CIE76 distance of 5.44.
What is the RGB value of #355973?
#355973 is rgb(53, 89, 115) — red 53, green 89, and blue 115 on the 0-255 scale.
What is the CMYK value of #355973?
#355973 converts to approximately cmyk(54%, 23%, 0%, 55%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #355973 be black or white?
White text is the more readable choice. #355973 scores 7.43:1 against white and 2.83:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #355973 as a CSS color keyword?
No. #355973 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 16.71, which is visibly different.
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Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.