#A1B1D4 Color

#A1B1D4 is rgb(161, 177, 212) in RGB, hsl(221, 37%, 73%) in HSL, and about cmyk(24%, 17%, 0%, 17%) in CMYK. It has no registered color name of its own — the closest is Wild Blue Yonder (#A2ADD0), below the threshold most people can see at ΔE 2.07. Black text is the more readable choice on this background.

#A1B1D4

HEX#A1B1D4

RGBrgb(161, 177, 212)

HSLhsl(221, 37%, 73%)

HSVhsv(221, 24%, 83%)

CMYKcmyk(24%, 17%, 0%, 17%)

OKLCHoklch(76% 0.053 265.8)

LABlab(71.85% 0.02 -19.76)

LCHlch(71.85% 19.76 270.06)

What #A1B1D4 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 #A1B1D4, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Wild Blue Yonder#A2ADD0ΔE 2.07 Light Steel Blue#B0C4DEΔE 8.27 Blue Bell#A2A2D0ΔE 9.23 Pale Cerulean#9BC4E2ΔE 10.2 Pale Cornflower Blue#ABCDEFΔE 10.79 Baby Blue Eyes#A1CAF1ΔE 11.22

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

#A1B1D4 Channel Values

How #A1B1D4 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 161 · G 177 · B 212	8-bit channels as sent to the display
HSL	H 221° · S 37% · L 73%	Easiest model for building lighter and darker variants
HSV	H 221° · S 24% · V 83%	Matches the picker in most design tools
CMYK	C 24% · M 17% · Y 0% · K 17%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	2.15:1 vs white · 9.75:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #A1B1D4 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 text2.15:1AA normal AA large AAA normal

TextBlack text9.75:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #A1B1D4 in the contrast checker.

Colors That Go With #A1B1D4

Pairings derived from color-wheel relationships. The complementary color sits opposite #A1B1D4; 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 #A1B1D4

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 #A1B1D4.

How #A1B1D4 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#A1B1D4

Protanopia#AEAED4

Protanomaly#A9AFD4

Deuteranopia#ACACD4

Deuteranomaly#A8AED4

Tritanopia#9BB6B6

Tritanomaly#9EB4C3

Achromatopsia#B1B1B1

Test a full palette in the color blindness simulator.

Using #A1B1D4 in Code

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

CSS custom property--color-a1b1d4: #A1B1D4;

CSS backgroundbackground-color: #A1B1D4;

Tailwind configcolors: { 'color-a1b1d4': '#A1B1D4' }

SwiftUIColor(red: 0.631, green: 0.694, blue: 0.831)

Android XML<color name="color_a1b1d4">#A1B1D4</color>

SVG fillfill="#A1B1D4"

More Blue Colors

#A1B1D4 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

#A1B1D4 Frequently Asked Questions

What color is #A1B1D4?

#A1B1D4 is a light blue — rgb(161, 177, 212) in RGB and hsl(221, 37%, 73%) in HSL. It carries no registered color name of its own; the closest named color is Wild Blue Yonder (#A2ADD0), which is below the threshold most people can see at a CIE76 distance of 2.07.

What is the RGB value of #A1B1D4?

#A1B1D4 is rgb(161, 177, 212) — red 161, green 177, and blue 212 on the 0-255 scale.

What is the CMYK value of #A1B1D4?

#A1B1D4 converts to approximately cmyk(24%, 17%, 0%, 17%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #A1B1D4 be black or white?

Black text is the more readable choice. #A1B1D4 scores 2.15:1 against white and 9.75:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #A1B1D4 as a CSS color keyword?

No. #A1B1D4 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 lightsteelblue (#B0C4DE) at a CIE76 distance of 8.27, which is clearly related but distinguishable side by side.

Open #A1B1D4 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.