#334266 Color
#334266 is rgb(51, 66, 102) in RGB, hsl(222, 33%, 30%) in HSL, and about cmyk(50%, 35%, 0%, 60%) in CMYK. It has no registered color name of its own — the closest is Police Blue (#374F6B), clearly related but distinguishable side by side at ΔE 8.08. White text is the more readable choice on this background.
#334266rgb(51, 66, 102)hsl(222, 33%, 30%)hsv(222, 50%, 40%)cmyk(50%, 35%, 0%, 60%)oklch(38.3% 0.065 266.2)lab(27.97% 2.26 -23.37)lch(27.97% 23.47 275.52)What #334266 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 #334266, 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.
#334266 Channel Values
How #334266 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 51 · G 66 · B 102 | 8-bit channels as sent to the display |
| HSL | H 222° · S 33% · L 30% | Easiest model for building lighter and darker variants |
| HSV | H 222° · S 50% · V 40% | Matches the picker in most design tools |
| CMYK | C 50% · M 35% · Y 0% · K 60% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 9.94:1 vs white · 2.11:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #334266 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 #334266 in the contrast checker.
Colors That Go With #334266
Pairings derived from color-wheel relationships. The complementary color sits opposite #334266; 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 #334266
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 #334266.
How #334266 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.
#334266#404066#3B4166#3D3D66#3A3F66#2A4848#2E4655#434343Using #334266 in Code
Copy-ready declarations for the places this color usually ends up.
--color-334266: #334266;background-color: #334266;colors: { 'color-334266': '#334266' }Color(red: 0.200, green: 0.259, blue: 0.400)<color name="color_334266">#334266</color>fill="#334266"More Blue Colors
#334266 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#334266 Frequently Asked Questions
What color is #334266?
#334266 is a dark blue — rgb(51, 66, 102) in RGB and hsl(222, 33%, 30%) in HSL. It carries no registered color name of its own; the closest named color is Police Blue (#374F6B), which is clearly related but distinguishable side by side at a CIE76 distance of 8.08.
What is the RGB value of #334266?
#334266 is rgb(51, 66, 102) — red 51, green 66, and blue 102 on the 0-255 scale.
What is the CMYK value of #334266?
#334266 converts to approximately cmyk(50%, 35%, 0%, 60%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #334266 be black or white?
White text is the more readable choice. #334266 scores 9.94:1 against white and 2.11:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #334266 as a CSS color keyword?
No. #334266 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 24.46, which is visibly different.
Open #334266 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.