#355979 Color
#355979 is rgb(53, 89, 121) in RGB, hsl(208, 39%, 34%) in HSL, and about cmyk(56%, 26%, 0%, 53%) 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 5.47. White text is the more readable choice on this background.
#355979rgb(53, 89, 121)hsl(208, 39%, 34%)hsv(208, 56%, 47%)cmyk(56%, 26%, 0%, 53%)oklch(45.1% 0.067 246.7)lab(36.20% -5.71 -22.47)lch(36.20% 23.18 255.75)What #355979 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 #355979, 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.
#355979 Channel Values
How #355979 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 121 | 8-bit channels as sent to the display |
| HSL | H 208° · S 39% · L 34% | Easiest model for building lighter and darker variants |
| HSV | H 208° · S 56% · V 47% | Matches the picker in most design tools |
| CMYK | C 56% · M 26% · Y 0% · K 53% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.35:1 vs white · 2.86:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #355979 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 #355979 in the contrast checker.
Colors That Go With #355979
Pairings derived from color-wheel relationships. The complementary color sits opposite #355979; 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 #355979
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 #355979.
How #355979 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.
#355979#545479#4A5679#4F4F7A#465379#2B5E5E#2F5C6A#565656Using #355979 in Code
Copy-ready declarations for the places this color usually ends up.
--color-355979: #355979;background-color: #355979;colors: { 'color-355979': '#355979' }Color(red: 0.208, green: 0.349, blue: 0.475)<color name="color_355979">#355979</color>fill="#355979"More Blue Colors
#355979 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#355979 Frequently Asked Questions
What color is #355979?
#355979 is a dark blue — rgb(53, 89, 121) in RGB and hsl(208, 39%, 34%) 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 5.47.
What is the RGB value of #355979?
#355979 is rgb(53, 89, 121) — red 53, green 89, and blue 121 on the 0-255 scale.
What is the CMYK value of #355979?
#355979 converts to approximately cmyk(56%, 26%, 0%, 53%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #355979 be black or white?
White text is the more readable choice. #355979 scores 7.35:1 against white and 2.86:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #355979 as a CSS color keyword?
No. #355979 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 steelblue (#4682B4) at a CIE76 distance of 19.07, which is visibly different.
Open #355979 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.