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#6166E5 Color

#6166E5 is rgb(97, 102, 229) in RGB, hsl(238, 72%, 64%) in HSL, and about cmyk(58%, 55%, 0%, 10%) in CMYK. It has no registered color name of its own — the closest is Medium Slate Blue (#7B68EE), clearly related but distinguishable side by side at ΔE 7.74. White text is the more readable choice on this background.

#6166E5
HEX#6166E5
RGBrgb(97, 102, 229)
HSLhsl(238, 72%, 64%)
HSVhsv(238, 58%, 90%)
CMYKcmyk(58%, 55%, 0%, 10%)
OKLCHoklch(57.5% 0.189 277)
LABlab(48.18% 26.75 -66.57)
LCHlch(48.18% 71.75 291.89)

What #6166E5 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 #6166E5, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Medium Slate Blue#7B68EEΔE 7.74Bluetiful#3C69E7ΔE 8.63Royal Blue#4169E1ΔE 9.08Slate Blue#6A5ACDΔE 9.12Savoy Blue#4B61D1ΔE 9.51Iris#5A4FCFΔE 9.59

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

#6166E5 Channel Values

How #6166E5 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 97 · G 102 · B 2298-bit channels as sent to the display
HSLH 238° · S 72% · L 64%Easiest model for building lighter and darker variants
HSVH 238° · S 58% · V 90%Matches the picker in most design tools
CMYKC 58% · M 55% · Y 0% · K 10%Approximate ink mix; confirm with an ICC profile before printing
Luminance4.63:1 vs white · 4.54:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #6166E5 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 text4.63:1AA normal AA large AAA normal
TextBlack text4.54:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #6166E5 in the contrast checker.

Colors That Go With #6166E5

Pairings derived from color-wheel relationships. The complementary color sits opposite #6166E5; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#6166E5
Complementary
#E5E161
Analogous
#61A8E5
Analogous
#9F61E5
Triadic
#E56166
Triadic
#66E561
Split comp.
#E59F61
Split comp.
#A8E561

Tints & Shades of #6166E5

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

#777BE9
#8D90EC
#A3A5F0
#B4B7F3
#CACCF6
#E0E1FA

Shades

#3A3FDF
#2227CE
#1B20A7
#151984
#0F125C
#090B39

Want a full 50-950 ramp with semantic roles? Generate design tokens from #6166E5.

How #6166E5 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#6166E5
Protanopia#6565E5
Protanomaly#6466E5
Deuteranopia#6464E5
Deuteranomaly#6365E5
Tritanopia#368080
Tritanomaly#4B76B1
Achromatopsia#757575

Test a full palette in the color blindness simulator.

Using #6166E5 in Code

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

CSS custom property--color-6166e5: #6166E5;
CSS backgroundbackground-color: #6166E5;
Tailwind configcolors: { 'color-6166e5': '#6166E5' }
SwiftUIColor(red: 0.380, green: 0.400, blue: 0.898)
Android XML<color name="color_6166e5">#6166E5</color>
SVG fillfill="#6166E5"

More Blue Colors

#6166E5 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

000024fafaff00002ef9fafb000033f8fafc000038f8f8ff000042f5faff000047f5f5ff002147007dfa0f52ba1c39bb2a3439372aac4e3cc364609a7abdff979aaab8dbffd6d6ff

#6166E5 Frequently Asked Questions

What color is #6166E5?

#6166E5 is a light blue — rgb(97, 102, 229) in RGB and hsl(238, 72%, 64%) in HSL. It carries no registered color name of its own; the closest named color is Medium Slate Blue (#7B68EE), which is clearly related but distinguishable side by side at a CIE76 distance of 7.74.

What is the RGB value of #6166E5?

#6166E5 is rgb(97, 102, 229) — red 97, green 102, and blue 229 on the 0-255 scale.

What is the CMYK value of #6166E5?

#6166E5 converts to approximately cmyk(58%, 55%, 0%, 10%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #6166E5 be black or white?

White text is the more readable choice. #6166E5 scores 4.63:1 against white and 4.54:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #6166E5 as a CSS color keyword?

No. #6166E5 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 mediumslateblue (#7B68EE) at a CIE76 distance of 7.74, which is clearly related but distinguishable side by side.

Open #6166E5 in a Tool

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

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