#642ACF Color

#642ACF is rgb(100, 42, 207) in RGB, hsl(261, 66%, 49%) in HSL, and about cmyk(52%, 80%, 0%, 19%) in CMYK. It has no registered color name of its own — the closest is Violet (Caran D'ache) (#6E00C0), visibly different at ΔE 10.09. White text is the more readable choice on this background.

#642ACF

HEX#642ACF

RGBrgb(100, 42, 207)

HSLhsl(261, 66%, 49%)

HSVhsv(261, 80%, 81%)

CMYKcmyk(52%, 80%, 0%, 19%)

OKLCHoklch(47.4% 0.229 290.7)

LABlab(34.55% 53.23 -76.19)

LCHlch(34.55% 92.94 304.94)

What #642ACF 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 #642ACF, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Violet (Caran D'ache)#6E00C0ΔE 10.09 Iridescent Indigo#3C32CDΔE 11.01 Blue Violet#8A2BE2ΔE 11.83 French Violet#8806CEΔE 14.78 Palatinate Blue#273BE2ΔE 15.91 Neon Blue#1B03A3ΔE 17.2

Browse the full index of named colors A-Z or every purple in the library.

#642ACF Channel Values

How #642ACF 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 100 · G 42 · B 207	8-bit channels as sent to the display
HSL	H 261° · S 66% · L 49%	Easiest model for building lighter and darker variants
HSV	H 261° · S 80% · V 81%	Matches the picker in most design tools
CMYK	C 52% · M 80% · Y 0% · K 19%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	7.57:1 vs white · 2.77:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #642ACF 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.

TextWhite text7.57:1AA normal AA large AAA normal

Fails AABlack text2.77:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #642ACF in the contrast checker.

Colors That Go With #642ACF

Pairings derived from color-wheel relationships. The complementary color sits opposite #642ACF; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base

Complementary

Analogous

Analogous

Triadic

Triadic

Split comp.

Split comp.

Tints & Shades of #642ACF

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.

Tints

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #642ACF.

How #642ACF 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.

Typical#642ACF

Protanopia#3939CF

Protanomaly#4E34CF

Deuteranopia#4444CF

Deuteranomaly#533BCF

Tritanopia#405959

Tritanomaly#514A97

Achromatopsia#545454

Test a full palette in the color blindness simulator.

Using #642ACF in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-642acf: #642ACF;

CSS backgroundbackground-color: #642ACF;

Tailwind configcolors: { 'color-642acf': '#642ACF' }

SwiftUIColor(red: 0.392, green: 0.165, blue: 0.812)

Android XML<color name="color_642acf">#642ACF</color>

SVG fillfill="#642ACF"

More Purple Colors

#642ACF sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.

150024 fdf8ff 170b22 fdf4ff 1b0d35 faf5ff 1d0731 fae8ff 1e0033 f6cfff 20002e f3e8ff 300052 402060 541490 6600cc 7008e7 8806ce 9900cc a11fff b19cd9 c27aff cebeef e0b2eb

#642ACF Frequently Asked Questions

What color is #642ACF?

#642ACF is a mid-tone purple — rgb(100, 42, 207) in RGB and hsl(261, 66%, 49%) in HSL. It carries no registered color name of its own; the closest named color is Violet (Caran D'ache) (#6E00C0), which is visibly different at a CIE76 distance of 10.09.

What is the RGB value of #642ACF?

#642ACF is rgb(100, 42, 207) — red 100, green 42, and blue 207 on the 0-255 scale.

What is the CMYK value of #642ACF?

#642ACF converts to approximately cmyk(52%, 80%, 0%, 19%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #642ACF be black or white?

White text is the more readable choice. #642ACF scores 7.57:1 against white and 2.77:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #642ACF as a CSS color keyword?

No. #642ACF 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 blueviolet (#8A2BE2) at a CIE76 distance of 11.83, which is visibly different.

Open #642ACF in a Tool

Hex to RGB Hex to HSL Hex to CMYK Hex to OKLCH Hex to Pantone Build a palette Make a gradient

Keep exploring: every purple in the color library, the guide to shades of purple, or the full color library.