#045340 Color
#045340 is rgb(4, 83, 64) in RGB, hsl(166, 91%, 17%) in HSL, and about cmyk(95%, 0%, 23%, 67%) in CMYK. It has no registered color name of its own — the closest is British Racing Green (#004225), visibly different at ΔE 10.2. White text is the more readable choice on this background.
#045340rgb(4, 83, 64)hsl(166, 91%, 17%)hsv(166, 95%, 33%)cmyk(95%, 0%, 23%, 67%)oklch(39.4% 0.076 170.3)lab(30.73% -26.67 4.71)lch(30.73% 27.08 169.97)What #045340 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 #045340, 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.
#045340 Channel Values
How #045340 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 4 · G 83 · B 64 | 8-bit channels as sent to the display |
| HSL | H 166° · S 91% · L 17% | Easiest model for building lighter and darker variants |
| HSV | H 166° · S 95% · V 33% | Matches the picker in most design tools |
| CMYK | C 95% · M 0% · Y 23% · K 67% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 9.07:1 vs white · 2.32:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #045340 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 #045340 in the contrast checker.
Colors That Go With #045340
Pairings derived from color-wheel relationships. The complementary color sits opposite #045340; 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 #045340
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 #045340.
How #045340 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.
#045340#4C4C40#3B4F40#444441#354B41#115151#0D524B#494949Using #045340 in Code
Copy-ready declarations for the places this color usually ends up.
--color-045340: #045340;background-color: #045340;colors: { 'color-045340': '#045340' }Color(red: 0.016, green: 0.325, blue: 0.251)<color name="color_045340">#045340</color>fill="#045340"More Green Colors
#045340 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#045340 Frequently Asked Questions
What color is #045340?
#045340 is a darkest green — rgb(4, 83, 64) in RGB and hsl(166, 91%, 17%) in HSL. It carries no registered color name of its own; the closest named color is British Racing Green (#004225), which is visibly different at a CIE76 distance of 10.2.
What is the RGB value of #045340?
#045340 is rgb(4, 83, 64) — red 4, green 83, and blue 64 on the 0-255 scale.
What is the CMYK value of #045340?
#045340 converts to approximately cmyk(95%, 0%, 23%, 67%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #045340 be black or white?
White text is the more readable choice. #045340 scores 9.07:1 against white and 2.32:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #045340 as a CSS color keyword?
No. #045340 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 16.81, which is visibly different.
Open #045340 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.