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#646BED Color

#646BED is rgb(100, 107, 237) in RGB, hsl(237, 79%, 66%) in HSL, and about cmyk(58%, 55%, 0%, 7%) 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 7.44. Black text is the more readable choice on this background.

#646BED
HEX#646BED
RGBrgb(100, 107, 237)
HSLhsl(237, 79%, 66%)
HSVhsv(237, 58%, 93%)
CMYKcmyk(58%, 55%, 0%, 7%)
OKLCHoklch(59.2% 0.192 276.5)
LABlab(50.11% 26.64 -67.93)
LCHlch(50.11% 72.96 291.41)

What #646BED 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 #646BED, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Medium Slate Blue#7B68EEΔE 7.44Vantg Blue#5271FFΔE 8.04Bluetiful#3C69E7ΔE 8.62Royal Blue#4169E1ΔE 9.54Ultramarine Blue#4166F5ΔE 9.64Savoy Blue#4B61D1ΔE 11.09

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

#646BED Channel Values

How #646BED 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 107 · B 2378-bit channels as sent to the display
HSLH 237° · S 79% · L 66%Easiest model for building lighter and darker variants
HSVH 237° · S 58% · V 93%Matches the picker in most design tools
CMYKC 58% · M 55% · Y 0% · K 7%Approximate ink mix; confirm with an ICC profile before printing
Luminance4.31:1 vs white · 4.87:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #646BED 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.

Fails AAWhite text4.31:1AA normal AA large AAA normal
TextBlack text4.87:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #646BED in the contrast checker.

Colors That Go With #646BED

Pairings derived from color-wheel relationships. The complementary color sits opposite #646BED; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#646BED
Complementary
#EDE664
Analogous
#64AFED
Analogous
#A164ED
Triadic
#ED646B
Triadic
#6BED64
Split comp.
#EDA164
Split comp.
#AFED64

Tints & Shades of #646BED

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

#7B80EF
#8D92F2
#A4A8F4
#B6B9F6
#CDCFF9
#DFE0FB

Shades

#3B43E8
#1A23DB
#151DB2
#11178D
#0C1064
#070A3B

Want a full 50-950 ramp with semantic roles? Generate design tokens from #646BED.

How #646BED 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#646BED
Protanopia#6A6AED
Protanomaly#686AED
Deuteranopia#6969ED
Deuteranomaly#676AED
Tritanopia#378585
Tritanomaly#4D7CB8
Achromatopsia#7A7A7A

Test a full palette in the color blindness simulator.

Using #646BED in Code

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

CSS custom property--color-646bed: #646BED;
CSS backgroundbackground-color: #646BED;
Tailwind configcolors: { 'color-646bed': '#646BED' }
SwiftUIColor(red: 0.392, green: 0.420, blue: 0.929)
Android XML<color name="color_646bed">#646BED</color>
SVG fillfill="#646BED"

More Blue Colors

#646BED sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

000024fafaff00002ef9fafb000033f8fafc000038f8f8ff000042f5faff000047f5f5ff002147007dfa0f52ba1c39bb2a3439372aac4e3cc364609a7abdff979aaab8dbffd6d6ff

#646BED Frequently Asked Questions

What color is #646BED?

#646BED is a light blue — rgb(100, 107, 237) in RGB and hsl(237, 79%, 66%) 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 7.44.

What is the RGB value of #646BED?

#646BED is rgb(100, 107, 237) — red 100, green 107, and blue 237 on the 0-255 scale.

What is the CMYK value of #646BED?

#646BED converts to approximately cmyk(58%, 55%, 0%, 7%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #646BED be black or white?

Black text is the more readable choice. #646BED scores 4.31:1 against white and 4.87:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #646BED as a CSS color keyword?

No. #646BED 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 7.44, which is clearly related but distinguishable side by side.

Open #646BED 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.