#737578 Color
#737578 is rgb(115, 117, 120) in RGB, hsl(216, 2%, 46%) in HSL, and about cmyk(4%, 3%, 0%, 53%) in CMYK. It has no registered color name of its own — the closest is Sonic Silver (#757575), below the threshold most people can see at ΔE 1.97. White text is the more readable choice on this background.
#737578rgb(115, 117, 120)hsl(216, 2%, 46%)hsv(216, 4%, 47%)cmyk(4%, 3%, 0%, 53%)oklch(56.2% 0.005 258.3)lab(49.14% -0.32 -1.94)lch(49.14% 1.96 260.55)What #737578 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 #737578, 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 gray in the library.
#737578 Channel Values
How #737578 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 115 · G 117 · B 120 | 8-bit channels as sent to the display |
| HSL | H 216° · S 2% · L 46% | Easiest model for building lighter and darker variants |
| HSV | H 216° · S 4% · V 47% | Matches the picker in most design tools |
| CMYK | C 4% · M 3% · Y 0% · K 53% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 4.62:1 vs white · 4.54:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #737578 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 #737578 in the contrast checker.
Colors That Go With #737578
Pairings derived from color-wheel relationships. The complementary color sits opposite #737578; 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 #737578
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 #737578.
How #737578 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.
#737578#757578#747578#747478#747578#737575#737576#757575Using #737578 in Code
Copy-ready declarations for the places this color usually ends up.
--color-737578: #737578;background-color: #737578;colors: { 'color-737578': '#737578' }Color(red: 0.451, green: 0.459, blue: 0.471)<color name="color_737578">#737578</color>fill="#737578"More Gray Colors
#737578 sits in the gray family. These are its neighbours across that family's full range, each with its own breakdown.
#737578 Frequently Asked Questions
What color is #737578?
#737578 is a mid-tone gray — rgb(115, 117, 120) in RGB and hsl(216, 2%, 46%) in HSL. It carries no registered color name of its own; the closest named color is Sonic Silver (#757575), which is below the threshold most people can see at a CIE76 distance of 1.97.
What is the RGB value of #737578?
#737578 is rgb(115, 117, 120) — red 115, green 117, and blue 120 on the 0-255 scale.
What is the CMYK value of #737578?
#737578 converts to approximately cmyk(4%, 3%, 0%, 53%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #737578 be black or white?
White text is the more readable choice. #737578 scores 4.62:1 against white and 4.54:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #737578 as a CSS color keyword?
No. #737578 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 gray (#808080) at a CIE76 distance of 4.86, which is very hard to tell apart.
Open #737578 in a Tool
Keep exploring: every gray in the color library, the guide to shades of gray, or the full color library.