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#AAC1CF Color

#AAC1CF is rgb(170, 193, 207) in RGB, hsl(203, 28%, 74%) in HSL, and about cmyk(18%, 7%, 0%, 19%) in CMYK. It has no registered color name of its own — the closest is Pastel Blue (#AEC6CF), very hard to tell apart at ΔE 3.13. Black text is the more readable choice on this background.

#AAC1CF
HEX#AAC1CF
RGBrgb(170, 193, 207)
HSLhsl(203, 28%, 74%)
HSVhsv(203, 18%, 81%)
CMYKcmyk(18%, 7%, 0%, 19%)
OKLCHoklch(79.8% 0.032 234.6)
LABlab(76.65% -5.89 -9.83)
LCHlch(76.65% 11.46 239.09)

What #AAC1CF 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 #AAC1CF, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Pastel Blue#AEC6CFΔE 3.13Light Steel Blue#B0C4DEΔE 6.55Beau Blue#BCD4E6ΔE 7.16Light Periwinkle#C5CBE1ΔE 8.84Periwinkle (Crayola)#C3CDE6ΔE 9.11Lavender Gray#C4C3D0ΔE 9.13

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

#AAC1CF Channel Values

How #AAC1CF 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 170 · G 193 · B 2078-bit channels as sent to the display
HSLH 203° · S 28% · L 74%Easiest model for building lighter and darker variants
HSVH 203° · S 18% · V 81%Matches the picker in most design tools
CMYKC 18% · M 7% · Y 0% · K 19%Approximate ink mix; confirm with an ICC profile before printing
Luminance1.87:1 vs white · 11.24:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #AAC1CF 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 text1.87:1AA normal AA large AAA normal
TextBlack text11.24:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #AAC1CF in the contrast checker.

Colors That Go With #AAC1CF

Pairings derived from color-wheel relationships. The complementary color sits opposite #AAC1CF; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#AAC1CF
Complementary
#CFB8AA
Analogous
#AACFCB
Analogous
#AAAECF
Triadic
#CFAAC1
Triadic
#C1CFAA
Split comp.
#CFAAAE
Split comp.
#CFCBAA

Tints & Shades of #AAC1CF

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

#B4C8D5
#C1D2DC
#CBD9E2
#D8E2E9
#E2EAEE
#EFF3F6

Shades

#89A9BD
#6991AB
#517890
#3E5C6F
#2C414E
#1A262E

Want a full 50-950 ramp with semantic roles? Generate design tokens from #AAC1CF.

How #AAC1CF 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#AAC1CF
Protanopia#BDBDCF
Protanomaly#B6BFCF
Deuteranopia#BABAD0
Deuteranomaly#B4BDCF
Tritanopia#A8C3C3
Tritanomaly#A9C2C8
Achromatopsia#BEBEBE

Test a full palette in the color blindness simulator.

Using #AAC1CF in Code

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

CSS custom property--color-aac1cf: #AAC1CF;
CSS backgroundbackground-color: #AAC1CF;
Tailwind configcolors: { 'color-aac1cf': '#AAC1CF' }
SwiftUIColor(red: 0.667, green: 0.757, blue: 0.812)
Android XML<color name="color_aac1cf">#AAC1CF</color>
SVG fillfill="#AAC1CF"

More Blue Colors

#AAC1CF sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

000024fafaff00002ef9fafb000033f8fafc000038f8f8ff000042f5faff000047f5f5ff002147007dfa0f52ba1c39bb2a3439372aac4e3cc364609a7abdff979aaab8dbffd6d6ff

#AAC1CF Frequently Asked Questions

What color is #AAC1CF?

#AAC1CF is a light blue — rgb(170, 193, 207) in RGB and hsl(203, 28%, 74%) in HSL. It carries no registered color name of its own; the closest named color is Pastel Blue (#AEC6CF), which is very hard to tell apart at a CIE76 distance of 3.13.

What is the RGB value of #AAC1CF?

#AAC1CF is rgb(170, 193, 207) — red 170, green 193, and blue 207 on the 0-255 scale.

What is the CMYK value of #AAC1CF?

#AAC1CF converts to approximately cmyk(18%, 7%, 0%, 19%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #AAC1CF be black or white?

Black text is the more readable choice. #AAC1CF scores 1.87:1 against white and 11.24:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #AAC1CF as a CSS color keyword?

No. #AAC1CF 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 6.55, which is clearly related but distinguishable side by side.

Open #AAC1CF 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.