#40f3ff

Color #40f3ff

A vivid, highly saturated light cyan.

Closest named color Aqua #00ffff · ΔE 10.08 Nearest Tailwind class cyan-300 #53eafd · ΔE 3.5

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Conversions

HEX

#40f3ff

RGB

rgb(64, 243, 255)

HSL

hsl(183.8, 100%, 62.5%)

HSV / HSB

hsv(183.8, 74.9%, 100%)

CMYK

cmyk(74.9%, 4.7%, 0%, 0%)

LAB

lab(88.16, -39.5, -18.51)

LCH

lch(88.16, 43.62, 205.11)

OKLCH

oklch(88.3%, 0.1382, 201.83)

HWB

hwb(183.8, 25.1%, 0%)

Harmony colors

Complementary

#ff4c40

Analogous

#40ffab

#40f3ff

#4093ff

Triadic

#40f3ff

#ff40f3

#f3ff40

Split-complementary

#40f3ff

#ff4093

#ffab40

Tetradic

#40f3ff

#4c40ff

#ff4c40

#f3ff40

Square

#40f3ff

#ab40ff

#ff4c40

#93ff40

Shades

Color #40f3ff mixed toward black.

#0bf0ff

#00c7d5

#00959f

#00646a

#003235

Tints

Color #40f3ff mixed toward white.

#60f5ff

#80f7ff

#9ff9ff

#bffbff

#dffdff

Tones

Color #40f3ff mixed toward gray.

#50e5ef

#60d7df

#70c9cf

#80bbbf

#8fadaf

Accessibility

Aa White text on this color

1.36:1

Aa Black text on this color

15.48:1

Black text reads better on this background (15.48:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#adaefc · ΔE 33.5

Deuteranopia

#a396fb · ΔE 38.3

Tritanopia

#56faf9 · ΔE 4.3

Achromatopsia

#dddddd · ΔE 24

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

Code

CSS

background-color: #40f3ff;

Tailwind (arbitrary value)

bg-[#40f3ff]

Related colors

Cadet Blue #5f9ea0

Powder Blue #b0e0e6

Dark Turquoise #00ced1

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Frequently asked questions

#40f3ff (#40f3ff) is rgb(64, 243, 255) in RGB.

No, #40f3ff 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.

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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 #40f3ff, or check how it holds up for accessibility.

Generate a palette → Check contrast