#18bbff

Color #18bbff

A vivid, highly saturated medium cyan.

Closest named color Deep Sky Blue #00bfff · ΔE 3.39 Nearest Tailwind class sky-400 #00bcff · ΔE 0.7

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Conversions

HEX

#18bbff

RGB

rgb(24, 187, 255)

HSL

hsl(197.7, 100%, 54.7%)

HSV / HSB

hsv(197.7, 90.6%, 100%)

CMYK

cmyk(90.6%, 26.7%, 0%, 0%)

LAB

lab(71.52, -14.85, -44.14)

LCH

lch(71.52, 46.57, 251.41)

OKLCH

oklch(74.8%, 0.1535, 234.47)

HWB

hwb(197.7, 9.4%, 0%)

Harmony colors

Complementary

#ff5c18

Analogous

#18ffd0

#18bbff

#1847ff

Triadic

#18bbff

#ff18bb

#bbff18

Split-complementary

#18bbff

#ff1847

#ffd018

Tetradic

#18bbff

#5c18ff

#ff5c18

#bbff18

Square

#18bbff

#d018ff

#ff5c18

#47ff18

Shades

Color #18bbff mixed toward black.

#00a4e8

#0083ba

#00628b

#00425d

#00212e

Tints

Color #18bbff mixed toward white.

#3ec6ff

#65d2ff

#8bddff

#b2e8ff

#d8f4ff

Tones

Color #18bbff mixed toward gray.

#2bb3ec

#3eabd8

#52a3c5

#659bb2

#78939f

Accessibility

Aa White text on this color

2.19:1

Aa Black text on this color

9.59:1

Black text reads better on this background (9.59:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#8182f1 · ΔE 26

Deuteranopia

#796eed · ΔE 30.6

Tritanopia

#33e5e2 · ΔE 23.1

Achromatopsia

#afafaf · ΔE 23

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

Code

CSS

background-color: #18bbff;

Tailwind (arbitrary value)

bg-[#18bbff]

Related colors

Sky Blue #87ceeb

Deep Sky Blue #00bfff

Light Blue #add8e6

Light Sky Blue #87cefa

Charcoal #36454f

Steel Blue #4682b4

Frequently asked questions

#18bbff (#18bbff) is rgb(24, 187, 255) in RGB.

No, #18bbff 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.

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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 #18bbff, or check how it holds up for accessibility.

Generate a palette → Check contrast