#3B5987 Color
#3B5987 is rgb(59, 89, 135) in RGB, hsl(216, 39%, 38%) in HSL, and about cmyk(56%, 34%, 0%, 47%) in CMYK. It has no registered color name of its own — the closest is Metallic Blue (#32527B), very hard to tell apart at ΔE 4.24. White text is the more readable choice on this background.
#3B5987rgb(59, 89, 135)hsl(216, 39%, 38%)hsv(216, 56%, 53%)cmyk(56%, 34%, 0%, 47%)oklch(46.2% 0.083 258.7)lab(37.12% -0.32 -29.55)lch(37.12% 29.55 269.37)What #3B5987 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 #3B5987, 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.
#3B5987 Channel Values
How #3B5987 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 59 · G 89 · B 135 | 8-bit channels as sent to the display |
| HSL | H 216° · S 39% · L 38% | Easiest model for building lighter and darker variants |
| HSV | H 216° · S 56% · V 53% | Matches the picker in most design tools |
| CMYK | C 56% · M 34% · Y 0% · K 47% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.08:1 vs white · 2.96:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #3B5987 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 #3B5987 in the contrast checker.
Colors That Go With #3B5987
Pairings derived from color-wheel relationships. The complementary color sits opposite #3B5987; 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 #3B5987
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 #3B5987.
How #3B5987 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.
#3B5987#555587#4C5687#515187#495487#2C6060#335D72#585858Using #3B5987 in Code
Copy-ready declarations for the places this color usually ends up.
--color-3b5987: #3B5987;background-color: #3B5987;colors: { 'color-3b5987': '#3B5987' }Color(red: 0.231, green: 0.349, blue: 0.529)<color name="color_3b5987">#3B5987</color>fill="#3B5987"More Blue Colors
#3B5987 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#3B5987 Frequently Asked Questions
What color is #3B5987?
#3B5987 is a dark blue — rgb(59, 89, 135) in RGB and hsl(216, 39%, 38%) in HSL. It carries no registered color name of its own; the closest named color is Metallic Blue (#32527B), which is very hard to tell apart at a CIE76 distance of 4.24.
What is the RGB value of #3B5987?
#3B5987 is rgb(59, 89, 135) — red 59, green 89, and blue 135 on the 0-255 scale.
What is the CMYK value of #3B5987?
#3B5987 converts to approximately cmyk(56%, 34%, 0%, 47%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #3B5987 be black or white?
White text is the more readable choice. #3B5987 scores 7.08:1 against white and 2.96:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #3B5987 as a CSS color keyword?
No. #3B5987 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 17.22, which is visibly different.
Open #3B5987 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.