#45128C Color
#45128C is rgb(69, 18, 140) in RGB, hsl(265, 77%, 31%) in HSL, and about cmyk(51%, 87%, 0%, 45%) in CMYK. It has no registered color name of its own — the closest is Indigo (#4B0082), clearly related but distinguishable side by side at ΔE 5.51. White text is the more readable choice on this background.
#45128Crgb(69, 18, 140)hsl(265, 77%, 31%)hsv(265, 87%, 55%)cmyk(51%, 87%, 0%, 45%)oklch(35.3% 0.178 293.6)lab(21.38% 43.18 -57.85)lch(21.38% 72.19 306.74)What #45128C 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 #45128C, 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.
#45128C Channel Values
How #45128C 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 69 · G 18 · B 140 | 8-bit channels as sent to the display |
| HSL | H 265° · S 77% · L 31% | Easiest model for building lighter and darker variants |
| HSV | H 265° · S 87% · V 55% | Matches the picker in most design tools |
| CMYK | C 51% · M 87% · Y 0% · K 45% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 12.22:1 vs white · 1.72:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #45128C 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 #45128C in the contrast checker.
Colors That Go With #45128C
Pairings derived from color-wheel relationships. The complementary color sits opposite #45128C; 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 #45128C
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 #45128C.
How #45128C 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.
#45128C#21218C#331C8C#2B2B8C#37238C#2E3737#382C64#353535Using #45128C in Code
Copy-ready declarations for the places this color usually ends up.
--color-45128c: #45128C;background-color: #45128C;colors: { 'color-45128c': '#45128C' }Color(red: 0.271, green: 0.071, blue: 0.549)<color name="color_45128c">#45128C</color>fill="#45128C"More Purple Colors
#45128C sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.
#45128C Frequently Asked Questions
What color is #45128C?
#45128C is a dark purple — rgb(69, 18, 140) in RGB and hsl(265, 77%, 31%) in HSL. It carries no registered color name of its own; the closest named color is Indigo (#4B0082), which is clearly related but distinguishable side by side at a CIE76 distance of 5.51.
What is the RGB value of #45128C?
#45128C is rgb(69, 18, 140) — red 69, green 18, and blue 140 on the 0-255 scale.
What is the CMYK value of #45128C?
#45128C converts to approximately cmyk(51%, 87%, 0%, 45%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #45128C be black or white?
White text is the more readable choice. #45128C scores 12.22:1 against white and 1.72:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #45128C as a CSS color keyword?
No. #45128C 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 indigo (#4B0082) at a CIE76 distance of 5.51, which is clearly related but distinguishable side by side.
Open #45128C in a Tool
Keep exploring: every purple in the color library, the guide to shades of purple, or the full color library.