#40a9ee

Color #40a9ee

A vivid, highly saturated medium blue.

Closest named color Deep Sky Blue #00bfff · ΔE 11.86 Nearest Tailwind class sky-500 #00a6f4 · ΔE 2

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

Conversions

HEX

#40a9ee

RGB

rgb(64, 169, 238)

HSL

hsl(203.8, 83.7%, 59.2%)

HSV / HSB

hsv(203.8, 73.1%, 93.3%)

CMYK

cmyk(73.1%, 29%, 0%, 6.7%)

LAB

lab(66.24, -7.63, -43.14)

LCH

lch(66.24, 43.81, 259.97)

OKLCH

oklch(70.5%, 0.1386, 241.7)

HWB

hwb(203.8, 25.1%, 6.7%)

Harmony colors

Complementary

#ee8540

Analogous

#40eedc

#40a9ee

#4052ee

Triadic

#40a9ee

#ee40a9

#a9ee40

Split-complementary

#40a9ee

#ee4052

#eedc40

Tetradic

#40a9ee

#8540ee

#ee8540

#a9ee40

Square

#40a9ee

#dc40ee

#ee8540

#52ee40

Shades

Color #40a9ee mixed toward black.

#1594e7

#1076b9

#0c598b

#083b5c

#041e2e

Tints

Color #40a9ee mixed toward white.

#60b7f1

#80c6f4

#9fd4f7

#bfe2f9

#dff1fc

Tones

Color #40a9ee mixed toward gray.

#4ea6e0

#5da3d1

#6ba0c3

#7a9db4

#889aa5

Accessibility

Aa White text on this color

2.58:1

Aa Black text on this color

8.13:1

Black text reads better on this background (8.13:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#7c7de0 · ΔE 21

Deuteranopia

#766edc · ΔE 24.7

Tritanopia

#4ad4d1 · ΔE 24.6

Achromatopsia

#a1a1a1 · ΔE 22.1

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

Code

CSS

background-color: #40a9ee;

Tailwind (arbitrary value)

bg-[#40a9ee]

Related colors

Charcoal #36454f

Light Sky Blue #87cefa

Steel Blue #4682b4

Alice Blue #f0f8ff

Dodger Blue #1e90ff

Light Slate Gray #778899

Frequently asked questions

#40a9ee (#40a9ee) is rgb(64, 169, 238) in RGB.

No, #40a9ee 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 #40a9ee, or check how it holds up for accessibility.

Generate a palette → Check contrast