Non-photo Blue (#A4DDED)

The hex code for Non-photo Blue is #A4DDED. It is rgb(164, 221, 237) in RGB, hsl(193, 67%, 79%) in HSL, and about cmyk(31%, 7%, 0%, 7%) in CMYK — a light teal. Black text is the more readable choice on this background.

#A4DDED

HEX#A4DDED

RGBrgb(164, 221, 237)

HSLhsl(193, 67%, 79%)

HSVhsv(193, 31%, 93%)

CMYKcmyk(31%, 7%, 0%, 7%)

OKLCHoklch(86.4% 0.062 217)

LABlab(84.60% -16.09 -14.07)

LCHlch(84.60% 21.38 221.17)

Colors Closest to Non-photo Blue

Non-photo Blue is a registered color name. These are the named colors nearest to it, measured as CIE76 distance in CIELAB — a perceptual scale, so the ordering matches what the eye sees rather than how close the raw RGB numbers happen to sit.

Light Blue#ADD8E6ΔE 4.6 Powder Blue#B0E0E6ΔE 6 Aquamarine (Crayola)#95E0E8ΔE 6.98 Cornflower Blue (Crayola)#93CCEAΔE 9.41 Middle Blue#7ED4E6ΔE 9.5 Columbia Blue#9BDDFFΔE 9.57

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

#A4DDED Channel Values

How Non-photo Blue 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 164 · G 221 · B 237	8-bit channels as sent to the display
HSL	H 193° · S 67% · L 79%	Easiest model for building lighter and darker variants
HSV	H 193° · S 31% · V 93%	Matches the picker in most design tools
CMYK	C 31% · M 7% · Y 0% · K 7%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	1.48:1 vs white · 14.14:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a Non-photo Blue 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 text1.48:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text14.14:1AA normal ✓AA large ✓AAA normal ✓

Need a specific ratio against another background? Open #A4DDED in the contrast checker.

Colors That Go With Non-photo Blue

Pairings derived from color-wheel relationships. The complementary color sits opposite Non-photo Blue; 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 Non-photo Blue

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 #A4DDED.

How Non-photo Blue 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#A4DDED

Protanopia#D5D5ED

Protanomaly#C3D8ED

Deuteranopia#CCCCEE

Deuteranomaly#BED3EE

Tritanopia#A1DFDF

Tritanomaly#A2DEE5

Achromatopsia#D4D4D4

Test a full palette in the color blindness simulator.

Using #A4DDED in Code

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

CSS custom property--non-photo-blue: #A4DDED;

CSS backgroundbackground-color: #A4DDED;

Tailwind configcolors: { 'non-photo-blue': '#A4DDED' }

SwiftUIColor(red: 0.643, green: 0.867, blue: 0.929)

Android XML<color name="non_photo_blue">#A4DDED</color>

SVG fillfill="#A4DDED"

More Teal Colors

Non-photo Blue sits in the tealfamily. These are its neighbours across that family's full range, each with its own breakdown.

a4f4f9 a3fdff a7f1e9 a3c6c8 a8dcf0 a2f4fd add8e6 9effff adebe9 9bd6ee adebff 99ffff c4f3f3 e0ffff 004747 007d80 00b8db 053345 125069 1f3333 2d848f 43b3ae 5ebee4 80daeb

#A4DDED Frequently Asked Questions

What is the hex code for Non-photo Blue?

The hex code for Non-photo Blue is #A4DDED. That is rgb(164, 221, 237) in RGB, hsl(193, 67%, 79%) in HSL, and approximately cmyk(31%, 7%, 0%, 7%) in CMYK.

What is the RGB value of #A4DDED?

#A4DDED is rgb(164, 221, 237) — red 164, green 221, and blue 237 on the 0-255 scale.

What is the CMYK value of #A4DDED?

#A4DDED converts to approximately cmyk(31%, 7%, 0%, 7%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #A4DDED be black or white?

Black text is the more readable choice. #A4DDED scores 1.48:1 against white and 14.14:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #A4DDED as a CSS color keyword?

No. #A4DDED 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 lightblue (#ADD8E6) at a CIE76 distance of 4.6, which is very hard to tell apart.

Open Non-photo Blue in a Tool

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