#66a0eb

Color #66a0eb

A vivid, highly saturated light blue.

Closest named color Cornflower Blue #6495ed · ΔE 9.32 Nearest Tailwind class blue-400 #51a2ff · ΔE 2.6

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#66a0eb

RGB

rgb(102, 160, 235)

HSL

hsl(213.8, 76.9%, 66.1%)

HSV / HSB

hsv(213.8, 56.6%, 92.2%)

CMYK

cmyk(56.6%, 31.9%, 0%, 7.8%)

LAB

lab(64.93, 2.72, -43.45)

LCH

lch(64.93, 43.54, 273.58)

OKLCH

oklch(69.8%, 0.1267, 255.42)

HWB

hwb(213.8, 40%, 7.8%)

Harmony colors

Complementary

#ebb166

Analogous

#66e3eb

#66a0eb

#6e66eb

Triadic

#66a0eb

#eb66a0

#a0eb66

Split-complementary

#66a0eb

#eb6e66

#e3eb66

Tetradic

#66a0eb

#b166eb

#ebb166

#a0eb66

Square

#66a0eb

#eb66e3

#ebb166

#66eb6e

Shades

Color #66a0eb mixed toward black.

#3481e5

#1a65c7

#134c95

#0d3363

#061932

Tints

Color #66a0eb mixed toward white.

#80b0ee

#99c0f2

#b3d0f5

#ccdff8

#e6effc

Tones

Color #66a0eb mixed toward gray.

#71a2e0

#7ca3d5

#87a4ca

#92a6bf

#9da7b4

Accessibility

Aa White text on this color

2.69:1

Aa Black text on this color

7.79:1

Black text reads better on this background (7.79:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#8384dc · ΔE 13.4

Deuteranopia

#807bd8 · ΔE 15.7

Tritanopia

#6acfcc · ΔE 27

Achromatopsia

#9e9e9e · ΔE 22

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #66a0eb;

Tailwind (arbitrary value)

bg-[#66a0eb]

Related colors

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Cornflower Blue #6495ed

Alice Blue #f0f8ff

Frequently asked questions

#66a0eb (#66a0eb) is rgb(102, 160, 235) in RGB.

No, #66a0eb is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

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Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

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Build something with this color

Generate a full palette from #66a0eb, or check how it holds up for accessibility.

Generate a palette → Check contrast