#2a66df

Color #2a66df

A vivid, highly saturated medium blue.

Closest named color Royal Blue #4169e1 · ΔE 2.83 Nearest Tailwind class blue-600 #155dfc · ΔE 4.5

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

Conversions

HEX

#2a66df

RGB

rgb(42, 102, 223)

HSL

hsl(220.1, 73.9%, 52%)

HSV / HSB

hsv(220.1, 81.2%, 87.5%)

CMYK

cmyk(81.2%, 54.3%, 0%, 12.5%)

LAB

lab(46.07, 24.92, -67.03)

LCH

lch(46.07, 71.51, 290.39)

OKLCH

oklch(54.4%, 0.1953, 262.23)

HWB

hwb(220.1, 16.5%, 12.5%)

Harmony colors

Complementary

#dfa32a

Analogous

#2ac1df

#2a66df

#492adf

Triadic

#2a66df

#df2a66

#66df2a

Split-complementary

#2a66df

#df492a

#c1df2a

Tetradic

#2a66df

#a32adf

#dfa32a

#66df2a

Square

#2a66df

#df2ac1

#dfa32a

#2adf49

Shades

Color #2a66df mixed toward black.

#1d53c0

#17429a

#113273

#0c214d

#061126

Tints

Color #2a66df mixed toward white.

#4e80e4

#7199ea

#95b3ef

#b8ccf4

#dce6fa

Tones

Color #2a66df mixed toward gray.

#396bd0

#4870c1

#5775b2

#667aa3

#768094

Accessibility

Aa White text on this color

5.17:1

Aa Black text on this color

4.06:1

White text reads better on this background (5.17:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#4b4cca · ΔE 10.1

Deuteranopia

#4843c5 · ΔE 12.5

Tritanopia

#2fb7b3 · ΔE 39.5

Achromatopsia

#6d6d6d · ΔE 27.4

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

Code

CSS

background-color: #2a66df;

Tailwind (arbitrary value)

bg-[#2a66df]

Related colors

Cornflower Blue #6495ed

Royal Blue #4169e1

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#2a66df (#2a66df) is rgb(42, 102, 223) in RGB.

No, #2a66df is not web-safe. The nearest web-safe colors are among its tones and shades below.

Related tools

Colors

HEX to RGB Converter

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

Try it → Accessibility

Contrast Checker

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

Try it → Generators

Palette Generator

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

Try it →

Build something with this color

Generate a full palette from #2a66df, or check how it holds up for accessibility.

Generate a palette → Check contrast