#400750 Color
#400750 is rgb(64, 7, 80) in RGB, hsl(287, 84%, 17%) in HSL, and about cmyk(20%, 91%, 0%, 69%) in CMYK. It has no registered color name of its own — the closest is Petunia (#470659), very hard to tell apart at ΔE 4.84. White text is the more readable choice on this background.
#400750rgb(64, 7, 80)hsl(287, 84%, 17%)hsv(287, 91%, 31%)cmyk(20%, 91%, 0%, 69%)oklch(28% 0.125 317.1)lab(14.28% 34.47 -30.42)lch(14.28% 45.97 318.56)What #400750 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 #400750, 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.
#400750 Channel Values
How #400750 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 64 · G 7 · B 80 | 8-bit channels as sent to the display |
| HSL | H 287° · S 84% · L 17% | Easiest model for building lighter and darker variants |
| HSV | H 287° · S 91% · V 31% | Matches the picker in most design tools |
| CMYK | C 20% · M 91% · Y 0% · K 69% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 15.39:1 vs white · 1.36:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #400750 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 #400750 in the contrast checker.
Colors That Go With #400750
Pairings derived from color-wheel relationships. The complementary color sits opposite #400750; 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 #400750
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 #400750.
How #400750 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.
#400750#1A1A50#2E1450#25254F#321C50#391D1D#3C1638#252525Using #400750 in Code
Copy-ready declarations for the places this color usually ends up.
--color-400750: #400750;background-color: #400750;colors: { 'color-400750': '#400750' }Color(red: 0.251, green: 0.027, blue: 0.314)<color name="color_400750">#400750</color>fill="#400750"More Purple Colors
#400750 sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.
#400750 Frequently Asked Questions
What color is #400750?
#400750 is a darkest purple — rgb(64, 7, 80) in RGB and hsl(287, 84%, 17%) in HSL. It carries no registered color name of its own; the closest named color is Petunia (#470659), which is very hard to tell apart at a CIE76 distance of 4.84.
What is the RGB value of #400750?
#400750 is rgb(64, 7, 80) — red 64, green 7, and blue 80 on the 0-255 scale.
What is the CMYK value of #400750?
#400750 converts to approximately cmyk(20%, 91%, 0%, 69%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #400750 be black or white?
White text is the more readable choice. #400750 scores 15.39:1 against white and 1.36:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #400750 as a CSS color keyword?
No. #400750 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 midnightblue (#191970) at a CIE76 distance of 22.19, which is visibly different.
Open #400750 in a Tool
Keep exploring: every purple in the color library, the guide to shades of purple, or the full color library.