#40a3ad

Color #40a3ad

A moderately saturated medium cyan.

Closest named color Cadet Blue #5f9ea0 · ΔE 8.54 Nearest Tailwind class cyan-500 #00b8db · ΔE 9.5

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

Conversions

HEX

#40a3ad

RGB

rgb(64, 163, 173)

HSL

hsl(185.5, 46%, 46.5%)

HSV / HSB

hsv(185.5, 63%, 67.8%)

CMYK

cmyk(63%, 5.8%, 0%, 32.2%)

LAB

lab(61.91, -25.38, -13.73)

LCH

lch(61.91, 28.86, 208.41)

OKLCH

oklch(66.2%, 0.0917, 204.47)

HWB

hwb(185.5, 25.1%, 32.2%)

Harmony colors

Complementary

#ad4a40

Analogous

#40ad81

#40a3ad

#406dad

Triadic

#40a3ad

#ad40a3

#a3ad40

Split-complementary

#40a3ad

#ad406d

#ad8140

Tetradic

#40a3ad

#4a40ad

#ad4a40

#a3ad40

Square

#40a3ad

#8140ad

#ad4a40

#6dad40

Shades

Color #40a3ad mixed toward black.

#358890

#2b6d73

#205257

#15363a

#0b1b1d

Tints

Color #40a3ad mixed toward white.

#59b8c2

#7ac6ce

#9bd4da

#bde3e6

#def1f3

Tones

Color #40a3ad mixed toward gray.

#499ca4

#52949b

#5b8d92

#648589

#6d7e80

Accessibility

Aa White text on this color

2.97:1

Aa Black text on this color

7.06:1

Black text reads better on this background (7.06:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#7879ab · ΔE 27.4

Deuteranopia

#726baa · ΔE 30.7

Tritanopia

#49a9a8 · ΔE 4.6

Achromatopsia

#969696 · ΔE 20.7

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

Code

CSS

background-color: #40a3ad;

Tailwind (arbitrary value)

bg-[#40a3ad]

Related colors

Powder Blue #b0e0e6

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Frequently asked questions

#40a3ad (#40a3ad) is rgb(64, 163, 173) in RGB.

No, #40a3ad 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 #40a3ad, or check how it holds up for accessibility.

Generate a palette → Check contrast