#34537F Color
#34537F is rgb(52, 83, 127) in RGB, hsl(215, 42%, 35%) in HSL, and about cmyk(59%, 35%, 0%, 50%) in CMYK. It has no registered color name of its own — the closest is Metallic Blue (#32527B), below the threshold most people can see at ΔE 1.93. White text is the more readable choice on this background.
#34537Frgb(52, 83, 127)hsl(215, 42%, 35%)hsv(215, 59%, 50%)cmyk(59%, 35%, 0%, 50%)oklch(43.9% 0.082 257.2)lab(34.50% -0.84 -28.79)lch(34.50% 28.81 268.33)What #34537F 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 #34537F, 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.
#34537F Channel Values
How #34537F 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 83 · B 127 | 8-bit channels as sent to the display |
| HSL | H 215° · S 42% · L 35% | Easiest model for building lighter and darker variants |
| HSV | H 215° · S 59% · V 50% | Matches the picker in most design tools |
| CMYK | C 59% · M 35% · Y 0% · K 50% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.81:1 vs white · 2.69:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #34537F 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 #34537F in the contrast checker.
Colors That Go With #34537F
Pairings derived from color-wheel relationships. The complementary color sits opposite #34537F; 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 #34537F
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 #34537F.
How #34537F 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.
#34537F#4F4F7F#45507F#4A4A7F#424E7F#255A5A#2C576B#525252Using #34537F in Code
Copy-ready declarations for the places this color usually ends up.
--color-34537f: #34537F;background-color: #34537F;colors: { 'color-34537f': '#34537F' }Color(red: 0.204, green: 0.325, blue: 0.498)<color name="color_34537f">#34537F</color>fill="#34537F"More Blue Colors
#34537F sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#34537F Frequently Asked Questions
What color is #34537F?
#34537F is a dark blue — rgb(52, 83, 127) in RGB and hsl(215, 42%, 35%) in HSL. It carries no registered color name of its own; the closest named color is Metallic Blue (#32527B), which is below the threshold most people can see at a CIE76 distance of 1.93.
What is the RGB value of #34537F?
#34537F is rgb(52, 83, 127) — red 52, green 83, and blue 127 on the 0-255 scale.
What is the CMYK value of #34537F?
#34537F converts to approximately cmyk(59%, 35%, 0%, 50%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #34537F be black or white?
White text is the more readable choice. #34537F scores 7.81:1 against white and 2.69:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #34537F as a CSS color keyword?
No. #34537F 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 steelblue (#4682B4) at a CIE76 distance of 19.46, which is visibly different.
Open #34537F in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.