#365181 Color
#365181 is rgb(54, 81, 129) in RGB, hsl(218, 41%, 36%) in HSL, and about cmyk(58%, 37%, 0%, 49%) in CMYK. It has no registered color name of its own — the closest is Metallic Blue (#32527B), very hard to tell apart at ΔE 4.74. White text is the more readable choice on this background.
#365181rgb(54, 81, 129)hsl(218, 41%, 36%)hsv(218, 58%, 51%)cmyk(58%, 37%, 0%, 49%)oklch(43.7% 0.086 261.2)lab(34.09% 1.44 -30.66)lch(34.09% 30.69 272.68)What #365181 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 #365181, 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.
#365181 Channel Values
How #365181 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 54 · G 81 · B 129 | 8-bit channels as sent to the display |
| HSL | H 218° · S 41% · L 36% | Easiest model for building lighter and darker variants |
| HSV | H 218° · S 58% · V 51% | Matches the picker in most design tools |
| CMYK | C 58% · M 37% · Y 0% · K 49% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.92:1 vs white · 2.65:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #365181 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 #365181 in the contrast checker.
Colors That Go With #365181
Pairings derived from color-wheel relationships. The complementary color sits opposite #365181; 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 #365181
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 #365181.
How #365181 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.
#365181#4D4D81#454F81#494981#424D81#265959#2D566B#515151Using #365181 in Code
Copy-ready declarations for the places this color usually ends up.
--color-365181: #365181;background-color: #365181;colors: { 'color-365181': '#365181' }Color(red: 0.212, green: 0.318, blue: 0.506)<color name="color_365181">#365181</color>fill="#365181"More Blue Colors
#365181 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#365181 Frequently Asked Questions
What color is #365181?
#365181 is a dark blue — rgb(54, 81, 129) in RGB and hsl(218, 41%, 36%) 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 4.74.
What is the RGB value of #365181?
#365181 is rgb(54, 81, 129) — red 54, green 81, and blue 129 on the 0-255 scale.
What is the CMYK value of #365181?
#365181 converts to approximately cmyk(58%, 37%, 0%, 49%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #365181 be black or white?
White text is the more readable choice. #365181 scores 7.92:1 against white and 2.65:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #365181 as a CSS color keyword?
No. #365181 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 20.52, which is visibly different.
Open #365181 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.