#2B2D40 Color
#2B2D40 is rgb(43, 45, 64) in RGB, hsl(234, 20%, 21%) in HSL, and about cmyk(33%, 30%, 0%, 75%) in CMYK. It has no registered color name of its own — the closest is Gunmetal (#2A3439), visibly different at ΔE 10.28. White text is the more readable choice on this background.
#2B2D40rgb(43, 45, 64)hsl(234, 20%, 21%)hsv(234, 33%, 25%)cmyk(33%, 30%, 0%, 75%)oklch(30.4% 0.034 279.5)lab(18.93% 3.09 -12.40)lch(18.93% 12.78 284.01)What #2B2D40 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 #2B2D40, 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.
#2B2D40 Channel Values
How #2B2D40 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 43 · G 45 · B 64 | 8-bit channels as sent to the display |
| HSL | H 234° · S 20% · L 21% | Easiest model for building lighter and darker variants |
| HSV | H 234° · S 33% · V 25% | Matches the picker in most design tools |
| CMYK | C 33% · M 30% · Y 0% · K 75% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 13.53:1 vs white · 1.55:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #2B2D40 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 #2B2D40 in the contrast checker.
Colors That Go With #2B2D40
Pairings derived from color-wheel relationships. The complementary color sits opposite #2B2D40; 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 #2B2D40
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 #2B2D40.
How #2B2D40 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.
#2B2D40#2D2D40#2C2D40#2C2C40#2C2D40#283030#292F37#2E2E2EUsing #2B2D40 in Code
Copy-ready declarations for the places this color usually ends up.
--color-2b2d40: #2B2D40;background-color: #2B2D40;colors: { 'color-2b2d40': '#2B2D40' }Color(red: 0.169, green: 0.176, blue: 0.251)<color name="color_2b2d40">#2B2D40</color>fill="#2B2D40"More Blue Colors
#2B2D40 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#2B2D40 Frequently Asked Questions
What color is #2B2D40?
#2B2D40 is a dark blue — rgb(43, 45, 64) in RGB and hsl(234, 20%, 21%) in HSL. It carries no registered color name of its own; the closest named color is Gunmetal (#2A3439), which is visibly different at a CIE76 distance of 10.28.
What is the RGB value of #2B2D40?
#2B2D40 is rgb(43, 45, 64) — red 43, green 45, and blue 64 on the 0-255 scale.
What is the CMYK value of #2B2D40?
#2B2D40 converts to approximately cmyk(33%, 30%, 0%, 75%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #2B2D40 be black or white?
White text is the more readable choice. #2B2D40 scores 13.53:1 against white and 1.55:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #2B2D40 as a CSS color keyword?
No. #2B2D40 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 21.37, which is visibly different.
Open #2B2D40 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.