#3F644E Color
#3F644E is rgb(63, 100, 78) in RGB, hsl(144, 23%, 32%) in HSL, and about cmyk(37%, 0%, 22%, 61%) in CMYK. It has no registered color name of its own — the closest is Hunter Green (#355E3B), clearly related but distinguishable side by side at ΔE 8.61. White text is the more readable choice on this background.
#3F644Ergb(63, 100, 78)hsl(144, 23%, 32%)hsv(144, 37%, 39%)cmyk(37%, 0%, 22%, 61%)oklch(46.8% 0.056 157.3)lab(39.08% -17.83 8.15)lch(39.08% 19.61 155.43)What #3F644E 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 #3F644E, 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.
#3F644E Channel Values
How #3F644E 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 63 · G 100 · B 78 | 8-bit channels as sent to the display |
| HSL | H 144° · S 23% · L 32% | Easiest model for building lighter and darker variants |
| HSV | H 144° · S 37% · V 39% | Matches the picker in most design tools |
| CMYK | C 37% · M 0% · Y 22% · K 61% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 6.68:1 vs white · 3.14:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #3F644E 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 #3F644E in the contrast checker.
Colors That Go With #3F644E
Pairings derived from color-wheel relationships. The complementary color sits opposite #3F644E; 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 #3F644E
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 #3F644E.
How #3F644E 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.
#3F644E#5F5F4E#54614E#5A5A4F#505E4F#436262#41635A#5C5C5CUsing #3F644E in Code
Copy-ready declarations for the places this color usually ends up.
--color-3f644e: #3F644E;background-color: #3F644E;colors: { 'color-3f644e': '#3F644E' }Color(red: 0.247, green: 0.392, blue: 0.306)<color name="color_3f644e">#3F644E</color>fill="#3F644E"More Green Colors
#3F644E sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#3F644E Frequently Asked Questions
What color is #3F644E?
#3F644E is a dark green — rgb(63, 100, 78) in RGB and hsl(144, 23%, 32%) in HSL. It carries no registered color name of its own; the closest named color is Hunter Green (#355E3B), which is clearly related but distinguishable side by side at a CIE76 distance of 8.61.
What is the RGB value of #3F644E?
#3F644E is rgb(63, 100, 78) — red 63, green 100, and blue 78 on the 0-255 scale.
What is the CMYK value of #3F644E?
#3F644E converts to approximately cmyk(37%, 0%, 22%, 61%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #3F644E be black or white?
White text is the more readable choice. #3F644E scores 6.68:1 against white and 3.14:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #3F644E as a CSS color keyword?
No. #3F644E 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 15.5, which is visibly different.
Open #3F644E in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.