#2164cf

Color #2164cf

A vivid, highly saturated medium blue.

Closest named color Royal Blue #4169e1 · ΔE 8.91 Nearest Tailwind class blue-600 #155dfc · ΔE 6.3

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

Conversions

HEX

#2164cf

RGB

rgb(33, 100, 207)

HSL

hsl(216.9, 72.5%, 47.1%)

HSV / HSB

hsv(216.9, 84.1%, 81.2%)

CMYK

cmyk(84.1%, 51.7%, 0%, 18.8%)

LAB

lab(44.15, 19.34, -61.03)

LCH

lch(44.15, 64.02, 287.58)

OKLCH

oklch(52.5%, 0.1788, 259.79)

HWB

hwb(216.9, 12.9%, 18.8%)

Harmony colors

Complementary

#cf8c21

Analogous

#21bbcf

#2164cf

#3521cf

Triadic

#2164cf

#cf2164

#64cf21

Split-complementary

#2164cf

#cf3521

#bbcf21

Tetradic

#2164cf

#8c21cf

#cf8c21

#64cf21

Square

#2164cf

#cf21bb

#cf8c21

#21cf35

Shades

Color #2164cf mixed toward black.

#1c53ad

#16438a

#113268

#0b2145

#061123

Tints

Color #2164cf mixed toward white.

#3d7ce0

#6496e6

#8bb0ec

#b1cbf3

#d8e5f9

Tones

Color #2164cf mixed toward gray.

#3067c1

#3e6bb2

#4d6ea4

#5b7195

#6a7587

Accessibility

Aa White text on this color

5.54:1

Aa Black text on this color

3.79:1

White text reads better on this background (5.54:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#4748bc · ΔE 11.4

Deuteranopia

#443eb7 · ΔE 14

Tritanopia

#28aba7 · ΔE 37.5

Achromatopsia

#686868 · ΔE 26.3

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

Code

CSS

background-color: #2164cf;

Tailwind (arbitrary value)

bg-[#2164cf]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Royal Blue #4169e1

Frequently asked questions

#2164cf (#2164cf) is rgb(33, 100, 207) in RGB.

No, #2164cf 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 #2164cf, or check how it holds up for accessibility.

Generate a palette → Check contrast