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#6433A3 Color

#6433A3 is rgb(100, 51, 163) in RGB, hsl(266, 52%, 42%) in HSL, and about cmyk(39%, 69%, 0%, 36%) in CMYK. It has no registered color name of its own — the closest is Purple Heart (#69359C), clearly related but distinguishable side by side at ΔE 5.4. White text is the more readable choice on this background.

#6433A3
HEX#6433A3
RGBrgb(100, 51, 163)
HSLhsl(266, 52%, 42%)
HSVhsv(266, 69%, 64%)
CMYKcmyk(39%, 69%, 0%, 36%)
OKLCHoklch(44.6% 0.171 299.4)
LABlab(32.76% 39.94 -53.15)
LCHlch(32.76% 66.49 306.92)

What #6433A3 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 #6433A3, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Purple Heart#69359CΔE 5.4Rebecca Purple#663399ΔE 5.68Grape#6F2DA8ΔE 6.67KSU Purple#512888ΔE 9.98Plump Purple#5946B2ΔE 10.75Metallic Violet#5B0A91ΔE 13.14

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

#6433A3 Channel Values

How #6433A3 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

ModelChannelsNotes
RGBR 100 · G 51 · B 1638-bit channels as sent to the display
HSLH 266° · S 52% · L 42%Easiest model for building lighter and darker variants
HSVH 266° · S 69% · V 64%Matches the picker in most design tools
CMYKC 39% · M 69% · Y 0% · K 36%Approximate ink mix; confirm with an ICC profile before printing
Luminance8.25:1 vs white · 2.54:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #6433A3 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 text8.25:1AA normal AA large AAA normal
Fails AABlack text2.54:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #6433A3 in the contrast checker.

Colors That Go With #6433A3

Pairings derived from color-wheel relationships. The complementary color sits opposite #6433A3; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#6433A3
Complementary
#73A333
Analogous
#333BA3
Analogous
#9B33A3
Triadic
#A36433
Triadic
#33A364
Split comp.
#A39B33
Split comp.
#3BA333

Tints & Shades of #6433A3

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

#773DC2
#8C5CCC
#A27BD5
#B89ADF
#CEB9E9
#E4D8F3

Shades

#582D8F
#4A2678
#3E2065
#2F184E
#24123A
#150B23

Want a full 50-950 ramp with semantic roles? Generate design tokens from #6433A3.

How #6433A3 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#6433A3
Protanopia#3F3FA3
Protanomaly#503AA3
Deuteranopia#4848A2
Deuteranomaly#5440A3
Tritanopia#524D4D
Tritanomaly#5A4479
Achromatopsia#4F4F4F

Test a full palette in the color blindness simulator.

Using #6433A3 in Code

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

CSS custom property--color-6433a3: #6433A3;
CSS backgroundbackground-color: #6433A3;
Tailwind configcolors: { 'color-6433a3': '#6433A3' }
SwiftUIColor(red: 0.392, green: 0.200, blue: 0.639)
Android XML<color name="color_6433a3">#6433A3</color>
SVG fillfill="#6433A3"

More Purple Colors

#6433A3 sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.

150024fdf8ff170b22fdf4ff1b0d35faf5ff1d0731fae8ff1e0033f6cfff20002ef3e8ff3000524020605414906600cc7008e78806ce9900cca11fffb19cd9c27affcebeefe0b2eb

#6433A3 Frequently Asked Questions

What color is #6433A3?

#6433A3 is a mid-tone purple — rgb(100, 51, 163) in RGB and hsl(266, 52%, 42%) in HSL. It carries no registered color name of its own; the closest named color is Purple Heart (#69359C), which is clearly related but distinguishable side by side at a CIE76 distance of 5.4.

What is the RGB value of #6433A3?

#6433A3 is rgb(100, 51, 163) — red 100, green 51, and blue 163 on the 0-255 scale.

What is the CMYK value of #6433A3?

#6433A3 converts to approximately cmyk(39%, 69%, 0%, 36%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #6433A3 be black or white?

White text is the more readable choice. #6433A3 scores 8.25:1 against white and 2.54:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #6433A3 as a CSS color keyword?

No. #6433A3 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 rebeccapurple (#663399) at a CIE76 distance of 5.68, which is clearly related but distinguishable side by side.

Open #6433A3 in a Tool

Hex to RGBHex to HSLHex to CMYKHex to OKLCHHex to PantoneBuild a paletteMake a gradient

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