#3B4372 Color
#3B4372 is rgb(59, 67, 114) in RGB, hsl(231, 32%, 34%) in HSL, and about cmyk(48%, 41%, 0%, 55%) in CMYK. It has no registered color name of its own — the closest is Purple Navy (#4E5180), clearly related but distinguishable side by side at ΔE 6.56. White text is the more readable choice on this background.
#3B4372rgb(59, 67, 114)hsl(231, 32%, 34%)hsv(231, 48%, 45%)cmyk(48%, 41%, 0%, 55%)oklch(39.9% 0.08 274.9)lab(29.46% 7.32 -28.59)lch(29.46% 29.51 284.35)What #3B4372 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 #3B4372, 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.
#3B4372 Channel Values
How #3B4372 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 67 · B 114 | 8-bit channels as sent to the display |
| HSL | H 231° · S 32% · L 34% | Easiest model for building lighter and darker variants |
| HSV | H 231° · S 48% · V 45% | Matches the picker in most design tools |
| CMYK | C 48% · M 41% · Y 0% · K 55% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 9.41:1 vs white · 2.23:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #3B4372 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 #3B4372 in the contrast checker.
Colors That Go With #3B4372
Pairings derived from color-wheel relationships. The complementary color sits opposite #3B4372; 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 #3B4372
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 #3B4372.
How #3B4372 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.
#3B4372#424272#3F4272#404072#3E4272#304B4B#35485D#464646Using #3B4372 in Code
Copy-ready declarations for the places this color usually ends up.
--color-3b4372: #3B4372;background-color: #3B4372;colors: { 'color-3b4372': '#3B4372' }Color(red: 0.231, green: 0.263, blue: 0.447)<color name="color_3b4372">#3B4372</color>fill="#3B4372"More Blue Colors
#3B4372 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#3B4372 Frequently Asked Questions
What color is #3B4372?
#3B4372 is a dark blue — rgb(59, 67, 114) in RGB and hsl(231, 32%, 34%) in HSL. It carries no registered color name of its own; the closest named color is Purple Navy (#4E5180), which is clearly related but distinguishable side by side at a CIE76 distance of 6.56.
What is the RGB value of #3B4372?
#3B4372 is rgb(59, 67, 114) — red 59, green 67, and blue 114 on the 0-255 scale.
What is the CMYK value of #3B4372?
#3B4372 converts to approximately cmyk(48%, 41%, 0%, 55%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #3B4372 be black or white?
White text is the more readable choice. #3B4372 scores 9.41:1 against white and 2.23:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #3B4372 as a CSS color keyword?
No. #3B4372 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 darkslateblue (#483D8B) at a CIE76 distance of 19.99, which is visibly different.
Open #3B4372 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.