#34455B Color
#34455B is rgb(52, 69, 91) in RGB, hsl(214, 27%, 28%) in HSL, and about cmyk(43%, 24%, 0%, 64%) 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 5.71. White text is the more readable choice on this background.
#34455Brgb(52, 69, 91)hsl(214, 27%, 28%)hsv(214, 43%, 36%)cmyk(43%, 24%, 0%, 64%)oklch(38.5% 0.044 255.1)lab(28.55% -2.08 -15.44)lch(28.55% 15.58 262.31)What #34455B 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 #34455B, 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.
#34455B Channel Values
How #34455B 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 52 · G 69 · B 91 | 8-bit channels as sent to the display |
| HSL | H 214° · S 27% · L 28% | Easiest model for building lighter and darker variants |
| HSV | H 214° · S 43% · V 36% | Matches the picker in most design tools |
| CMYK | C 43% · M 24% · Y 0% · K 64% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 9.78:1 vs white · 2.15:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #34455B 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 #34455B in the contrast checker.
Colors That Go With #34455B
Pairings derived from color-wheel relationships. The complementary color sits opposite #34455B; 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 #34455B
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 #34455B.
How #34455B 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.
#34455B#42425B#3D435B#40405B#3B425B#2F4848#314750#444444Using #34455B in Code
Copy-ready declarations for the places this color usually ends up.
--color-34455b: #34455B;background-color: #34455B;colors: { 'color-34455b': '#34455B' }Color(red: 0.204, green: 0.271, blue: 0.357)<color name="color_34455b">#34455B</color>fill="#34455B"More Blue Colors
#34455B sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#34455B Frequently Asked Questions
What color is #34455B?
#34455B is a dark blue — rgb(52, 69, 91) in RGB and hsl(214, 27%, 28%) 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 5.71.
What is the RGB value of #34455B?
#34455B is rgb(52, 69, 91) — red 52, green 69, and blue 91 on the 0-255 scale.
What is the CMYK value of #34455B?
#34455B converts to approximately cmyk(43%, 24%, 0%, 64%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #34455B be black or white?
White text is the more readable choice. #34455B scores 9.78:1 against white and 2.15:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #34455B as a CSS color keyword?
No. #34455B 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 15.57, which is visibly different.
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Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.