#216391 Color
#216391 is rgb(33, 99, 145) in RGB, hsl(205, 63%, 35%) in HSL, and about cmyk(77%, 32%, 0%, 43%) in CMYK. It has no registered color name of its own — the closest is Sea Blue (#006994), clearly related but distinguishable side by side at ΔE 5.49. White text is the more readable choice on this background.
#216391rgb(33, 99, 145)hsl(205, 63%, 35%)hsv(205, 77%, 57%)cmyk(77%, 32%, 0%, 43%)oklch(48.1% 0.099 243.4)lab(39.58% -8.48 -31.82)lch(39.58% 32.93 255.08)What #216391 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 #216391, 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.
#216391 Channel Values
How #216391 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 33 · G 99 · B 145 | 8-bit channels as sent to the display |
| HSL | H 205° · S 63% · L 35% | Easiest model for building lighter and darker variants |
| HSV | H 205° · S 77% · V 57% | Matches the picker in most design tools |
| CMYK | C 77% · M 32% · Y 0% · K 43% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 6.45:1 vs white · 3.26:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #216391 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 #216391 in the contrast checker.
Colors That Go With #216391
Pairings derived from color-wheel relationships. The complementary color sits opposite #216391; 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 #216391
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 #216391.
How #216391 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.
#216391#5C5C91#4B5F91#545492#455A91#006A6A#0A677C#5E5E5EUsing #216391 in Code
Copy-ready declarations for the places this color usually ends up.
--color-216391: #216391;background-color: #216391;colors: { 'color-216391': '#216391' }Color(red: 0.129, green: 0.388, blue: 0.569)<color name="color_216391">#216391</color>fill="#216391"More Blue Colors
#216391 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#216391 Frequently Asked Questions
What color is #216391?
#216391 is a dark blue — rgb(33, 99, 145) in RGB and hsl(205, 63%, 35%) in HSL. It carries no registered color name of its own; the closest named color is Sea Blue (#006994), which is clearly related but distinguishable side by side at a CIE76 distance of 5.49.
What is the RGB value of #216391?
#216391 is rgb(33, 99, 145) — red 33, green 99, and blue 145 on the 0-255 scale.
What is the CMYK value of #216391?
#216391 converts to approximately cmyk(77%, 32%, 0%, 43%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #216391 be black or white?
White text is the more readable choice. #216391 scores 6.45:1 against white and 3.26:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #216391 as a CSS color keyword?
No. #216391 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 12.45, which is visibly different.
Open #216391 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.