#365991 Color
#365991 is rgb(54, 89, 145) in RGB, hsl(217, 46%, 39%) in HSL, and about cmyk(63%, 39%, 0%, 43%) in CMYK. It has no registered color name of its own — the closest is B'dazzled Blue (#2E5894), very hard to tell apart at ΔE 2.78. White text is the more readable choice on this background.
#365991rgb(54, 89, 145)hsl(217, 46%, 39%)hsv(217, 63%, 57%)cmyk(63%, 39%, 0%, 43%)oklch(46.5% 0.1 259.4)lab(37.30% 1.26 -35.34)lch(37.30% 35.36 272.04)What #365991 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 #365991, 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.
#365991 Channel Values
How #365991 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 89 · B 145 | 8-bit channels as sent to the display |
| HSL | H 217° · S 46% · L 39% | Easiest model for building lighter and darker variants |
| HSV | H 217° · S 63% · V 57% | Matches the picker in most design tools |
| CMYK | C 63% · M 39% · Y 0% · K 43% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.01:1 vs white · 2.99:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #365991 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 #365991 in the contrast checker.
Colors That Go With #365991
Pairings derived from color-wheel relationships. The complementary color sits opposite #365991; 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 #365991
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 #365991.
How #365991 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.
#365991#545491#4A5691#4F4F91#475391#1F6262#2A5F78#595959Using #365991 in Code
Copy-ready declarations for the places this color usually ends up.
--color-365991: #365991;background-color: #365991;colors: { 'color-365991': '#365991' }Color(red: 0.212, green: 0.349, blue: 0.569)<color name="color_365991">#365991</color>fill="#365991"More Blue Colors
#365991 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#365991 Frequently Asked Questions
What color is #365991?
#365991 is a dark blue — rgb(54, 89, 145) in RGB and hsl(217, 46%, 39%) in HSL. It carries no registered color name of its own; the closest named color is B'dazzled Blue (#2E5894), which is very hard to tell apart at a CIE76 distance of 2.78.
What is the RGB value of #365991?
#365991 is rgb(54, 89, 145) — red 54, green 89, and blue 145 on the 0-255 scale.
What is the CMYK value of #365991?
#365991 converts to approximately cmyk(63%, 39%, 0%, 43%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #365991 be black or white?
White text is the more readable choice. #365991 scores 7.01:1 against white and 2.99:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #365991 as a CSS color keyword?
No. #365991 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 17.74, which is visibly different.
Open #365991 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.