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#6563D9 Color

#6563D9 is rgb(101, 99, 217) in RGB, hsl(241, 61%, 62%) in HSL, and about cmyk(53%, 54%, 0%, 15%) in CMYK. It has no registered color name of its own — the closest is Slate Blue (#6A5ACD), clearly related but distinguishable side by side at ΔE 5.1. White text is the more readable choice on this background.

#6563D9
HEX#6563D9
RGBrgb(101, 99, 217)
HSLhsl(241, 61%, 62%)
HSVhsv(241, 54%, 85%)
CMYKcmyk(53%, 54%, 0%, 15%)
OKLCHoklch(56.4% 0.176 279.9)
LABlab(47.04% 26.26 -61.62)
LCHlch(47.04% 66.98 293.08)

What #6563D9 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 #6563D9, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Slate Blue#6A5ACDΔE 5.1Savoy Blue#4B61D1ΔE 7.23Royal Blue#4169E1ΔE 9.87Medium Slate Blue#7B68EEΔE 9.95Iris#5A4FCFΔE 10.18Bluetiful#3C69E7ΔE 11.05

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

#6563D9 Channel Values

How #6563D9 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 101 · G 99 · B 2178-bit channels as sent to the display
HSLH 241° · S 61% · L 62%Easiest model for building lighter and darker variants
HSVH 241° · S 54% · V 85%Matches the picker in most design tools
CMYKC 53% · M 54% · Y 0% · K 15%Approximate ink mix; confirm with an ICC profile before printing
Luminance4.84:1 vs white · 4.34:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #6563D9 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 text4.84:1AA normal AA large AAA normal
Fails AABlack text4.34:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #6563D9 in the contrast checker.

Colors That Go With #6563D9

Pairings derived from color-wheel relationships. The complementary color sits opposite #6563D9; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#6563D9
Complementary
#D7D963
Analogous
#639CD9
Analogous
#A063D9
Triadic
#D96563
Triadic
#63D965
Split comp.
#D9A063
Split comp.
#9CD963

Tints & Shades of #6563D9

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

#7978DE
#8D8CE3
#A2A1E8
#BAB9EE
#CECEF3
#E3E2F8

Shades

#4542D1
#2F2DB9
#272598
#1E1D77
#161556
#0D0C31

Want a full 50-950 ramp with semantic roles? Generate design tokens from #6563D9.

How #6563D9 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#6563D9
Protanopia#6363D9
Protanomaly#6463D9
Deuteranopia#6464D9
Deuteranomaly#6463D9
Tritanopia#447B7B
Tritanomaly#5372A9
Achromatopsia#727272

Test a full palette in the color blindness simulator.

Using #6563D9 in Code

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

CSS custom property--color-6563d9: #6563D9;
CSS backgroundbackground-color: #6563D9;
Tailwind configcolors: { 'color-6563d9': '#6563D9' }
SwiftUIColor(red: 0.396, green: 0.388, blue: 0.851)
Android XML<color name="color_6563d9">#6563D9</color>
SVG fillfill="#6563D9"

More Blue Colors

#6563D9 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

000024fafaff00002ef9fafb000033f8fafc000038f8f8ff000042f5faff000047f5f5ff002147007dfa0f52ba1c39bb2a3439372aac4e3cc364609a7abdff979aaab8dbffd6d6ff

#6563D9 Frequently Asked Questions

What color is #6563D9?

#6563D9 is a light blue — rgb(101, 99, 217) in RGB and hsl(241, 61%, 62%) in HSL. It carries no registered color name of its own; the closest named color is Slate Blue (#6A5ACD), which is clearly related but distinguishable side by side at a CIE76 distance of 5.1.

What is the RGB value of #6563D9?

#6563D9 is rgb(101, 99, 217) — red 101, green 99, and blue 217 on the 0-255 scale.

What is the CMYK value of #6563D9?

#6563D9 converts to approximately cmyk(53%, 54%, 0%, 15%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #6563D9 be black or white?

White text is the more readable choice. #6563D9 scores 4.84:1 against white and 4.34:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #6563D9 as a CSS color keyword?

No. #6563D9 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 slateblue (#6A5ACD) at a CIE76 distance of 5.1, which is clearly related but distinguishable side by side.

Open #6563D9 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.