#553181 Color
#553181 is rgb(85, 49, 129) in RGB, hsl(267, 45%, 35%) in HSL, and about cmyk(34%, 62%, 0%, 49%) in CMYK. It has no registered color name of its own — the closest is Spanish Violet (#4C2882), clearly related but distinguishable side by side at ΔE 6.94. White text is the more readable choice on this background.
#553181rgb(85, 49, 129)hsl(267, 45%, 35%)hsv(267, 62%, 51%)cmyk(34%, 62%, 0%, 49%)oklch(40% 0.13 301.5)lab(28.26% 29.87 -39.70)lch(28.26% 49.68 306.95)What #553181 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 #553181, 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 purple in the library.
#553181 Channel Values
How #553181 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 49 · B 129 | 8-bit channels as sent to the display |
| HSL | H 267° · S 45% · L 35% | Easiest model for building lighter and darker variants |
| HSV | H 267° · S 62% · V 51% | Matches the picker in most design tools |
| CMYK | C 34% · M 62% · Y 0% · K 49% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 9.8:1 vs white · 2.14:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #553181 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 #553181 in the contrast checker.
Colors That Go With #553181
Pairings derived from color-wheel relationships. The complementary color sits opposite #553181; 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 #553181
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 #553181.
How #553181 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.
#553181#393981#463681#404081#493A81#494242#4E3C61#444444Using #553181 in Code
Copy-ready declarations for the places this color usually ends up.
--color-553181: #553181;background-color: #553181;colors: { 'color-553181': '#553181' }Color(red: 0.333, green: 0.192, blue: 0.506)<color name="color_553181">#553181</color>fill="#553181"More Purple Colors
#553181 sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.
#553181 Frequently Asked Questions
What color is #553181?
#553181 is a dark purple — rgb(85, 49, 129) in RGB and hsl(267, 45%, 35%) in HSL. It carries no registered color name of its own; the closest named color is Spanish Violet (#4C2882), which is clearly related but distinguishable side by side at a CIE76 distance of 6.94.
What is the RGB value of #553181?
#553181 is rgb(85, 49, 129) — red 85, green 49, and blue 129 on the 0-255 scale.
What is the CMYK value of #553181?
#553181 converts to approximately cmyk(34%, 62%, 0%, 49%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #553181 be black or white?
White text is the more readable choice. #553181 scores 9.8:1 against white and 2.14:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #553181 as a CSS color keyword?
No. #553181 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 darkslateblue (#483D8B) at a CIE76 distance of 9.21, which is clearly related but distinguishable side by side.
Open #553181 in a Tool
Keep exploring: every purple in the color library, the guide to shades of purple, or the full color library.