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#645AED Color

#645AED is rgb(100, 90, 237) in RGB, hsl(244, 80%, 64%) in HSL, and about cmyk(58%, 62%, 0%, 7%) in CMYK. It has no registered color name of its own — the closest is Majorelle Blue (#6050DC), clearly related but distinguishable side by side at ΔE 5.14. White text is the more readable choice on this background.

#645AED
HEX#645AED
RGBrgb(100, 90, 237)
HSLhsl(244, 80%, 64%)
HSVhsv(244, 62%, 93%)
CMYKcmyk(58%, 62%, 0%, 7%)
OKLCHoklch(56.3% 0.213 280.1)
LABlab(46.04% 36.30 -74.51)
LCHlch(46.04% 82.88 295.97)

What #645AED 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 #645AED, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Majorelle Blue#6050DCΔE 5.14Very Light Blue#6666FFΔE 5.55Medium Slate Blue#7B68EEΔE 9.9Iris#5A4FCFΔE 10.49Ultramarine Blue#4166F5ΔE 11.09Vantg Blue#5271FFΔE 12.89

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

#645AED Channel Values

How #645AED 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 90 · B 2378-bit channels as sent to the display
HSLH 244° · S 80% · L 64%Easiest model for building lighter and darker variants
HSVH 244° · S 62% · V 93%Matches the picker in most design tools
CMYKC 58% · M 62% · Y 0% · K 7%Approximate ink mix; confirm with an ICC profile before printing
Luminance4.97:1 vs white · 4.23:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #645AED 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 text4.97:1AA normal AA large AAA normal
Fails AABlack text4.23:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #645AED in the contrast checker.

Colors That Go With #645AED

Pairings derived from color-wheel relationships. The complementary color sits opposite #645AED; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#645AED
Complementary
#E3ED5A
Analogous
#5A99ED
Analogous
#AD5AED
Triadic
#ED645A
Triadic
#5AED64
Split comp.
#EDAD5A
Split comp.
#99ED5A

Tints & Shades of #645AED

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

#7971EF
#8F88F2
#A49FF4
#B6B1F6
#CBC8F9
#E1DFFB

Shades

#3D30E8
#2518D8
#1E13AE
#170F8A
#100B60
#0A073C

Want a full 50-950 ramp with semantic roles? Generate design tokens from #645AED.

How #645AED 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#645AED
Protanopia#5C5CED
Protanomaly#5F5BED
Deuteranopia#5D5DED
Deuteranomaly#605CED
Tritanopia#337A7A
Tritanomaly#4B6FB4
Achromatopsia#707070

Test a full palette in the color blindness simulator.

Using #645AED in Code

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

CSS custom property--color-645aed: #645AED;
CSS backgroundbackground-color: #645AED;
Tailwind configcolors: { 'color-645aed': '#645AED' }
SwiftUIColor(red: 0.392, green: 0.353, blue: 0.929)
Android XML<color name="color_645aed">#645AED</color>
SVG fillfill="#645AED"

More Blue Colors

#645AED sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

000024fafaff00002ef9fafb000033f8fafc000038f8f8ff000042f5faff000047f5f5ff002147007dfa0f52ba1c39bb2a3439372aac4e3cc364609a7abdff979aaab8dbffd6d6ff

#645AED Frequently Asked Questions

What color is #645AED?

#645AED is a light blue — rgb(100, 90, 237) in RGB and hsl(244, 80%, 64%) in HSL. It carries no registered color name of its own; the closest named color is Majorelle Blue (#6050DC), which is clearly related but distinguishable side by side at a CIE76 distance of 5.14.

What is the RGB value of #645AED?

#645AED is rgb(100, 90, 237) — red 100, green 90, and blue 237 on the 0-255 scale.

What is the CMYK value of #645AED?

#645AED converts to approximately cmyk(58%, 62%, 0%, 7%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #645AED be black or white?

White text is the more readable choice. #645AED scores 4.97:1 against white and 4.23:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #645AED as a CSS color keyword?

No. #645AED 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 9.9, which is clearly related but distinguishable side by side.

Open #645AED 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.