#3A5278 Color
#3A5278 is rgb(58, 82, 120) in RGB, hsl(217, 35%, 35%) in HSL, and about cmyk(52%, 32%, 0%, 53%) in CMYK. It has no registered color name of its own — the closest is Metallic Blue (#32527B), very hard to tell apart at ΔE 2.82. White text is the more readable choice on this background.
#3A5278rgb(58, 82, 120)hsl(217, 35%, 35%)hsv(217, 52%, 47%)cmyk(52%, 32%, 0%, 53%)oklch(43.7% 0.07 259.3)lab(34.25% -0.52 -24.85)lch(34.25% 24.85 268.80)What #3A5278 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 #3A5278, 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.
#3A5278 Channel Values
How #3A5278 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 58 · G 82 · B 120 | 8-bit channels as sent to the display |
| HSL | H 217° · S 35% · L 35% | Easiest model for building lighter and darker variants |
| HSV | H 217° · S 52% · V 47% | Matches the picker in most design tools |
| CMYK | C 52% · M 32% · Y 0% · K 53% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.9:1 vs white · 2.66:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #3A5278 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 #3A5278 in the contrast checker.
Colors That Go With #3A5278
Pairings derived from color-wheel relationships. The complementary color sits opposite #3A5278; 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 #3A5278
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 #3A5278.
How #3A5278 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.
#3A5278#4F4F78#475078#4B4B78#454E78#305858#345666#515151Using #3A5278 in Code
Copy-ready declarations for the places this color usually ends up.
--color-3a5278: #3A5278;background-color: #3A5278;colors: { 'color-3a5278': '#3A5278' }Color(red: 0.227, green: 0.322, blue: 0.471)<color name="color_3a5278">#3A5278</color>fill="#3A5278"More Blue Colors
#3A5278 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#3A5278 Frequently Asked Questions
What color is #3A5278?
#3A5278 is a dark blue — rgb(58, 82, 120) in RGB and hsl(217, 35%, 35%) 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 2.82.
What is the RGB value of #3A5278?
#3A5278 is rgb(58, 82, 120) — red 58, green 82, and blue 120 on the 0-255 scale.
What is the CMYK value of #3A5278?
#3A5278 converts to approximately cmyk(52%, 32%, 0%, 53%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #3A5278 be black or white?
White text is the more readable choice. #3A5278 scores 7.9:1 against white and 2.66:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #3A5278 as a CSS color keyword?
No. #3A5278 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 20.97, which is visibly different.
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Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.