#553CD3 Color
#553CD3 is rgb(85, 60, 211) in RGB, hsl(250, 63%, 53%) in HSL, and about cmyk(60%, 72%, 0%, 17%) in CMYK. It has no registered color name of its own — the closest is Iridescent Indigo (#3C32CD), clearly related but distinguishable side by side at ΔE 6.21. White text is the more readable choice on this background.
#553CD3rgb(85, 60, 211)hsl(250, 63%, 53%)hsv(250, 72%, 83%)cmyk(60%, 72%, 0%, 17%)oklch(48.4% 0.218 282.1)lab(36.38% 43.24 -75.57)lch(36.38% 87.07 299.78)What #553CD3 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 #553CD3, 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.
#553CD3 Channel Values
How #553CD3 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 85 · G 60 · B 211 | 8-bit channels as sent to the display |
| HSL | H 250° · S 63% · L 53% | Easiest model for building lighter and darker variants |
| HSV | H 250° · S 72% · V 83% | Matches the picker in most design tools |
| CMYK | C 60% · M 72% · Y 0% · K 17% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.06:1 vs white · 2.97:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #553CD3 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 #553CD3 in the contrast checker.
Colors That Go With #553CD3
Pairings derived from color-wheel relationships. The complementary color sits opposite #553CD3; 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 #553CD3
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 #553CD3.
How #553CD3 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.
#553CD3#4141D3#4A3FD3#4545D3#4C42D3#1F6262#3C559C#585858Using #553CD3 in Code
Copy-ready declarations for the places this color usually ends up.
--color-553cd3: #553CD3;background-color: #553CD3;colors: { 'color-553cd3': '#553CD3' }Color(red: 0.333, green: 0.235, blue: 0.827)<color name="color_553cd3">#553CD3</color>fill="#553CD3"More Blue Colors
#553CD3 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#553CD3 Frequently Asked Questions
What color is #553CD3?
#553CD3 is a mid-tone blue — rgb(85, 60, 211) in RGB and hsl(250, 63%, 53%) in HSL. It carries no registered color name of its own; the closest named color is Iridescent Indigo (#3C32CD), which is clearly related but distinguishable side by side at a CIE76 distance of 6.21.
What is the RGB value of #553CD3?
#553CD3 is rgb(85, 60, 211) — red 85, green 60, and blue 211 on the 0-255 scale.
What is the CMYK value of #553CD3?
#553CD3 converts to approximately cmyk(60%, 72%, 0%, 17%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #553CD3 be black or white?
White text is the more readable choice. #553CD3 scores 7.06:1 against white and 2.97:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #553CD3 as a CSS color keyword?
No. #553CD3 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 mediumslateblue (#7B68EE) at a CIE76 distance of 19.83, which is visibly different.
Open #553CD3 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.