#A3B9FF Color

#A3B9FF is rgb(163, 185, 255) in RGB, hsl(226, 100%, 82%) in HSL, and about cmyk(36%, 27%, 0%, 0%) in CMYK. It has no registered color name of its own — the closest is Perano (Infinitely Hot) (#94B1FF), clearly related but distinguishable side by side at ΔE 5.8. Black text is the more readable choice on this background.

#A3B9FF

HEX#A3B9FF

RGBrgb(163, 185, 255)

HSLhsl(226, 100%, 82%)

HSVhsv(226, 36%, 100%)

CMYKcmyk(36%, 27%, 0%, 0%)

OKLCHoklch(79.5% 0.103 270.5)

LABlab(75.45% 4.73 -37.47)

LCHlch(75.45% 37.76 277.20)

What #A3B9FF 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 #A3B9FF, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Perano (Infinitely Hot)#94B1FFΔE 5.8 Maximum Blue Purple#ACACE6ΔE 10.02 French Sky Blue#77B5FEΔE 11.88 Light Cobalt Blue#88ACE0ΔE 12 Vista Blue#7C9ED9ΔE 12.7 Very Light Azure#74BBFBΔE 14.57

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

#A3B9FF Channel Values

How #A3B9FF breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

Model	Channels	Notes
RGB	R 163 · G 185 · B 255	8-bit channels as sent to the display
HSL	H 226° · S 100% · L 82%	Easiest model for building lighter and darker variants
HSV	H 226° · S 36% · V 100%	Matches the picker in most design tools
CMYK	C 36% · M 27% · Y 0% · K 0%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	1.92:1 vs white · 10.94:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #A3B9FF 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 text1.92:1AA normal AA large AAA normal

TextBlack text10.94:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #A3B9FF in the contrast checker.

Colors That Go With #A3B9FF

Pairings derived from color-wheel relationships. The complementary color sits opposite #A3B9FF; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base

Complementary

Analogous

Analogous

Triadic

Triadic

Split comp.

Split comp.

Tints & Shades of #A3B9FF

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

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #A3B9FF.

How #A3B9FF 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#A3B9FF

Protanopia#B5B5FF

Protanomaly#AEB7FF

Deuteranopia#B2B2FF

Deuteranomaly#ACB5FF

Tritanopia#95C4C4

Tritanomaly#9BC0DE

Achromatopsia#BBBBBB

Test a full palette in the color blindness simulator.

Using #A3B9FF in Code

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

CSS custom property--color-a3b9ff: #A3B9FF;

CSS backgroundbackground-color: #A3B9FF;

Tailwind configcolors: { 'color-a3b9ff': '#A3B9FF' }

SwiftUIColor(red: 0.639, green: 0.725, blue: 1.000)

Android XML<color name="color_a3b9ff">#A3B9FF</color>

SVG fillfill="#A3B9FF"

More Blue Colors

#A3B9FF sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

000024 fafaff 00002e f9fafb 000033 f8fafc 000038 f8f8ff 000042 f5faff 000047 f5f5ff 002147 007dfa 0f52ba 1c39bb 2a3439 372aac 4e3cc3 64609a 7abdff 979aaa b8dbff d6d6ff

#A3B9FF Frequently Asked Questions

What color is #A3B9FF?

#A3B9FF is a lightest blue — rgb(163, 185, 255) in RGB and hsl(226, 100%, 82%) in HSL. It carries no registered color name of its own; the closest named color is Perano (Infinitely Hot) (#94B1FF), which is clearly related but distinguishable side by side at a CIE76 distance of 5.8.

What is the RGB value of #A3B9FF?

#A3B9FF is rgb(163, 185, 255) — red 163, green 185, and blue 255 on the 0-255 scale.

What is the CMYK value of #A3B9FF?

#A3B9FF converts to approximately cmyk(36%, 27%, 0%, 0%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #A3B9FF be black or white?

Black text is the more readable choice. #A3B9FF scores 1.92:1 against white and 10.94:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #A3B9FF as a CSS color keyword?

No. #A3B9FF 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 cornflowerblue (#6495ED) at a CIE76 distance of 19.15, which is visibly different.

Open #A3B9FF in a Tool

Hex to RGB Hex to HSL Hex to CMYK Hex to OKLCH Hex to Pantone Build a palette Make a gradient

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