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#661BA7 Color

#661BA7 is rgb(102, 27, 167) in RGB, hsl(272, 72%, 38%) in HSL, and about cmyk(39%, 84%, 0%, 35%) in CMYK. It has no registered color name of its own — the closest is Metallic Violet (#5B0A91), clearly related but distinguishable side by side at ΔE 7.26. White text is the more readable choice on this background.

#661BA7
HEX#661BA7
RGBrgb(102, 27, 167)
HSLhsl(272, 72%, 38%)
HSVhsv(272, 84%, 65%)
CMYKcmyk(39%, 84%, 0%, 35%)
OKLCHoklch(42.6% 0.202 302.2)
LABlab(29.62% 51.19 -60.65)
LCHlch(29.62% 79.36 310.17)

What #661BA7 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 #661BA7, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Metallic Violet#5B0A91ΔE 7.26Grape#6F2DA8ΔE 8.54Indigo#4B0082ΔE 12.49Violet (RYB)#8601AFΔE 12.79Websafe Indigo#330099ΔE 14.94Dark Orchid#9932CCΔE 15.83

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

#661BA7 Channel Values

How #661BA7 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 102 · G 27 · B 1678-bit channels as sent to the display
HSLH 272° · S 72% · L 38%Easiest model for building lighter and darker variants
HSVH 272° · S 84% · V 65%Matches the picker in most design tools
CMYKC 39% · M 84% · Y 0% · K 35%Approximate ink mix; confirm with an ICC profile before printing
Luminance9.21:1 vs white · 2.28:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #661BA7 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 text9.21:1AA normal AA large AAA normal
Fails AABlack text2.28:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #661BA7 in the contrast checker.

Colors That Go With #661BA7

Pairings derived from color-wheel relationships. The complementary color sits opposite #661BA7; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#661BA7
Complementary
#5CA71B
Analogous
#201BA7
Analogous
#A71BA2
Triadic
#A7661B
Triadic
#1BA766
Split comp.
#A2A71B
Split comp.
#1BA720

Tints & Shades of #661BA7

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

#7E22CE
#923ADF
#A861E5
#BB84EB
#D1ACF1
#E4CFF7

Shades

#581891
#4B147B
#3D1065
#330E53
#250A3D
#180627

Want a full 50-950 ramp with semantic roles? Generate design tokens from #661BA7.

How #661BA7 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#661BA7
Protanopia#3232A7
Protanomaly#4C2AA7
Deuteranopia#4040A6
Deuteranomaly#5235A7
Tritanopia#524444
Tritanomaly#5B3879
Achromatopsia#484848

Test a full palette in the color blindness simulator.

Using #661BA7 in Code

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

CSS custom property--color-661ba7: #661BA7;
CSS backgroundbackground-color: #661BA7;
Tailwind configcolors: { 'color-661ba7': '#661BA7' }
SwiftUIColor(red: 0.400, green: 0.106, blue: 0.655)
Android XML<color name="color_661ba7">#661BA7</color>
SVG fillfill="#661BA7"

More Purple Colors

#661BA7 sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.

150024fdf8ff170b22fdf4ff1b0d35faf5ff1d0731fae8ff1e0033f6cfff20002ef3e8ff3000524020605414906600cc7008e78806ce9900cca11fffb19cd9c27affcebeefe0b2eb

#661BA7 Frequently Asked Questions

What color is #661BA7?

#661BA7 is a dark purple — rgb(102, 27, 167) in RGB and hsl(272, 72%, 38%) in HSL. It carries no registered color name of its own; the closest named color is Metallic Violet (#5B0A91), which is clearly related but distinguishable side by side at a CIE76 distance of 7.26.

What is the RGB value of #661BA7?

#661BA7 is rgb(102, 27, 167) — red 102, green 27, and blue 167 on the 0-255 scale.

What is the CMYK value of #661BA7?

#661BA7 converts to approximately cmyk(39%, 84%, 0%, 35%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #661BA7 be black or white?

White text is the more readable choice. #661BA7 scores 9.21:1 against white and 2.28:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #661BA7 as a CSS color keyword?

No. #661BA7 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 12.49, which is visibly different.

Open #661BA7 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.