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#330F66 Color

#330F66 is rgb(51, 15, 102) in RGB, hsl(265, 74%, 23%) in HSL, and about cmyk(50%, 85%, 0%, 60%) in CMYK. It has no registered color name of its own — the closest is Midnight Blue (#191970), clearly related but distinguishable side by side at ΔE 9.58. White text is the more readable choice on this background.

#330F66
HEX#330F66
RGBrgb(51, 15, 102)
HSLhsl(265, 74%, 23%)
HSVhsv(265, 85%, 40%)
CMYKcmyk(50%, 85%, 0%, 60%)
OKLCHoklch(28.9% 0.137 294.8)
LABlab(14.87% 32.94 -44.35)
LCHlch(14.87% 55.25 306.60)

What #330F66 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 #330F66, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Midnight Blue#191970ΔE 9.58Persian Indigo#32127AΔE 10.08Spanish Violet#4C2882ΔE 10.39KSU Purple#512888ΔE 11.99Petunia#470659ΔE 12.09St. Patrick's Blue#23297AΔE 14.18

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

#330F66 Channel Values

How #330F66 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 51 · G 15 · B 1028-bit channels as sent to the display
HSLH 265° · S 74% · L 23%Easiest model for building lighter and darker variants
HSVH 265° · S 85% · V 40%Matches the picker in most design tools
CMYKC 50% · M 85% · Y 0% · K 60%Approximate ink mix; confirm with an ICC profile before printing
Luminance14.99:1 vs white · 1.4:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #330F66 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 text14.99:1AA normal AA large AAA normal
Fails AABlack text1.4:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #330F66 in the contrast checker.

Colors That Go With #330F66

Pairings derived from color-wheel relationships. The complementary color sits opposite #330F66; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#330F66
Complementary
#42660F
Analogous
#0F1666
Analogous
#5F0F66
Triadic
#66330F
Triadic
#0F6633
Split comp.
#665F0F
Split comp.
#16660F

Tints & Shades of #330F66

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

#4C1797
#621DC3
#7E37E1
#9E68E8
#BD99F0
#DAC5F6

Shades

#2D0D59
#280C50
#220A43
#1B0835
#140628
#10051F

Want a full 50-950 ramp with semantic roles? Generate design tokens from #330F66.

How #330F66 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#330F66
Protanopia#191966
Protanomaly#261566
Deuteranopia#202066
Deuteranomaly#291A66
Tritanopia#232828
Tritanomaly#2A2048
Achromatopsia#272727

Test a full palette in the color blindness simulator.

Using #330F66 in Code

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

CSS custom property--color-330f66: #330F66;
CSS backgroundbackground-color: #330F66;
Tailwind configcolors: { 'color-330f66': '#330F66' }
SwiftUIColor(red: 0.200, green: 0.059, blue: 0.400)
Android XML<color name="color_330f66">#330F66</color>
SVG fillfill="#330F66"

More Purple Colors

#330F66 sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.

150024fdf8ff170b22fdf4ff1b0d35faf5ff1d0731fae8ff1e0033f6cfff20002ef3e8ff3000524020605414906600cc7008e78806ce9900cca11fffb19cd9c27affcebeefe0b2eb

#330F66 Frequently Asked Questions

What color is #330F66?

#330F66 is a dark purple — rgb(51, 15, 102) in RGB and hsl(265, 74%, 23%) in HSL. It carries no registered color name of its own; the closest named color is Midnight Blue (#191970), which is clearly related but distinguishable side by side at a CIE76 distance of 9.58.

What is the RGB value of #330F66?

#330F66 is rgb(51, 15, 102) — red 51, green 15, and blue 102 on the 0-255 scale.

What is the CMYK value of #330F66?

#330F66 converts to approximately cmyk(50%, 85%, 0%, 60%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #330F66 be black or white?

White text is the more readable choice. #330F66 scores 14.99:1 against white and 1.4:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #330F66 as a CSS color keyword?

No. #330F66 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 9.58, which is clearly related but distinguishable side by side.

Open #330F66 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.