#334C61 Color
#334C61 is rgb(51, 76, 97) in RGB, hsl(207, 31%, 29%) in HSL, and about cmyk(47%, 22%, 0%, 62%) in CMYK. It has no registered color name of its own — the closest is Police Blue (#374F6B), very hard to tell apart at ΔE 4.6. White text is the more readable choice on this background.
#334C61rgb(51, 76, 97)hsl(207, 31%, 29%)hsv(207, 47%, 38%)cmyk(47%, 22%, 0%, 62%)oklch(40.5% 0.047 244.7)lab(30.98% -5.05 -15.56)lch(30.98% 16.36 252.01)What #334C61 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 #334C61, 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.
#334C61 Channel Values
How #334C61 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 76 · B 97 | 8-bit channels as sent to the display |
| HSL | H 207° · S 31% · L 29% | Easiest model for building lighter and darker variants |
| HSV | H 207° · S 47% · V 38% | Matches the picker in most design tools |
| CMYK | C 47% · M 22% · Y 0% · K 62% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 8.95:1 vs white · 2.35:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #334C61 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 #334C61 in the contrast checker.
Colors That Go With #334C61
Pairings derived from color-wheel relationships. The complementary color sits opposite #334C61; 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 #334C61
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 #334C61.
How #334C61 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.
#334C61#484861#414A61#454561#3E4861#2E4F4F#304E57#494949Using #334C61 in Code
Copy-ready declarations for the places this color usually ends up.
--color-334c61: #334C61;background-color: #334C61;colors: { 'color-334c61': '#334C61' }Color(red: 0.200, green: 0.298, blue: 0.380)<color name="color_334c61">#334C61</color>fill="#334C61"More Blue Colors
#334C61 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#334C61 Frequently Asked Questions
What color is #334C61?
#334C61 is a dark blue — rgb(51, 76, 97) in RGB and hsl(207, 31%, 29%) in HSL. It carries no registered color name of its own; the closest named color is Police Blue (#374F6B), which is very hard to tell apart at a CIE76 distance of 4.6.
What is the RGB value of #334C61?
#334C61 is rgb(51, 76, 97) — red 51, green 76, and blue 97 on the 0-255 scale.
What is the CMYK value of #334C61?
#334C61 converts to approximately cmyk(47%, 22%, 0%, 62%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #334C61 be black or white?
White text is the more readable choice. #334C61 scores 8.95:1 against white and 2.35:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #334C61 as a CSS color keyword?
No. #334C61 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 13.68, which is visibly different.
Open #334C61 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.