#166bde

Color #166bde

A vivid, highly saturated medium blue.

Closest named color Royal Blue #4169e1 · ΔE 6.37 Nearest Tailwind class blue-600 #155dfc · ΔE 6.5

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Conversions

HEX

#166bde

RGB

rgb(22, 107, 222)

HSL

hsl(214.5, 82%, 47.8%)

HSV / HSB

hsv(214.5, 90.1%, 87.1%)

CMYK

cmyk(90.1%, 51.8%, 0%, 12.9%)

LAB

lab(46.92, 19.96, -65.1)

LCH

lch(46.92, 68.09, 287.05)

OKLCH

oklch(54.9%, 0.1918, 258.36)

HWB

hwb(214.5, 8.6%, 12.9%)

Harmony colors

Complementary

#de8916

Analogous

#16cfde

#166bde

#2516de

Triadic

#166bde

#de166b

#6bde16

Split-complementary

#166bde

#de2516

#cfde16

Tetradic

#166bde

#8916de

#de8916

#6bde16

Square

#166bde

#de16cf

#de8916

#16de25

Shades

Color #166bde mixed toward black.

#1259b9

#0f4794

#0b356f

#07244a

#041225

Tints

Color #166bde mixed toward white.

#3582eb

#5d9bef

#86b4f3

#aecdf7

#d7e6fb

Tones

Color #166bde mixed toward gray.

#276dcd

#3770bd

#4872ac

#59759b

#69778b

Accessibility

Aa White text on this color

5.01:1

Aa Black text on this color

4.19:1

White text reads better on this background (5.01:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#4a4bca · ΔE 12.8

Deuteranopia

#453fc5 · ΔE 15.9

Tritanopia

#21b8b3 · ΔE 38.7

Achromatopsia

#6f6f6f · ΔE 26.9

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

Code

CSS

background-color: #166bde;

Tailwind (arbitrary value)

bg-[#166bde]

Related colors

Light Steel Blue #b0c4de

Cornflower Blue #6495ed

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#166bde (#166bde) is rgb(22, 107, 222) in RGB.

No, #166bde 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 #166bde, or check how it holds up for accessibility.

Generate a palette → Check contrast