#304A40 Color
#304A40 is rgb(48, 74, 64) in RGB, hsl(157, 21%, 24%) in HSL, and about cmyk(35%, 0%, 14%, 71%) in CMYK. It has no registered color name of its own — the closest is Zydeco (#20483F), clearly related but distinguishable side by side at ΔE 5.08. White text is the more readable choice on this background.
#304A40rgb(48, 74, 64)hsl(157, 21%, 24%)hsv(157, 35%, 29%)cmyk(35%, 0%, 14%, 71%)oklch(38.5% 0.036 168.4)lab(29.10% -12.28 2.67)lch(29.10% 12.57 167.74)What #304A40 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 #304A40, 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 green in the library.
#304A40 Channel Values
How #304A40 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 48 · G 74 · B 64 | 8-bit channels as sent to the display |
| HSL | H 157° · S 21% · L 24% | Easiest model for building lighter and darker variants |
| HSV | H 157° · S 35% · V 29% | Matches the picker in most design tools |
| CMYK | C 35% · M 0% · Y 14% · K 71% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 9.64:1 vs white · 2.18:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #304A40 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 #304A40 in the contrast checker.
Colors That Go With #304A40
Pairings derived from color-wheel relationships. The complementary color sits opposite #304A40; 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 #304A40
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 #304A40.
How #304A40 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.
#304A40#464640#3E4840#434341#3C4640#324949#314945#454545Using #304A40 in Code
Copy-ready declarations for the places this color usually ends up.
--color-304a40: #304A40;background-color: #304A40;colors: { 'color-304a40': '#304A40' }Color(red: 0.188, green: 0.290, blue: 0.251)<color name="color_304a40">#304A40</color>fill="#304A40"More Green Colors
#304A40 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#304A40 Frequently Asked Questions
What color is #304A40?
#304A40 is a dark green — rgb(48, 74, 64) in RGB and hsl(157, 21%, 24%) in HSL. It carries no registered color name of its own; the closest named color is Zydeco (#20483F), which is clearly related but distinguishable side by side at a CIE76 distance of 5.08.
What is the RGB value of #304A40?
#304A40 is rgb(48, 74, 64) — red 48, green 74, and blue 64 on the 0-255 scale.
What is the CMYK value of #304A40?
#304A40 converts to approximately cmyk(35%, 0%, 14%, 71%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #304A40 be black or white?
White text is the more readable choice. #304A40 scores 9.64:1 against white and 2.18:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #304A40 as a CSS color keyword?
No. #304A40 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 6.91, which is clearly related but distinguishable side by side.
Open #304A40 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.