#40b7ee

Color #40b7ee

A vivid, highly saturated medium cyan.

Closest named color Deep Sky Blue #00bfff · ΔE 6.59 Nearest Tailwind class sky-400 #00bcff · ΔE 2.5

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

Conversions

HEX

#40b7ee

RGB

rgb(64, 183, 238)

HSL

hsl(199, 83.7%, 59.2%)

HSV / HSB

hsv(199, 73.1%, 93.3%)

CMYK

cmyk(73.1%, 23.1%, 0%, 6.7%)

LAB

lab(70.26, -15.25, -36.85)

LCH

lch(70.26, 39.88, 247.52)

OKLCH

oklch(73.7%, 0.1302, 232.8)

HWB

hwb(199, 25.1%, 6.7%)

Harmony colors

Complementary

#ee7740

Analogous

#40eece

#40b7ee

#4060ee

Triadic

#40b7ee

#ee40b7

#b7ee40

Split-complementary

#40b7ee

#ee4060

#eece40

Tetradic

#40b7ee

#7740ee

#ee7740

#b7ee40

Square

#40b7ee

#ce40ee

#ee7740

#60ee40

Shades

Color #40b7ee mixed toward black.

#15a4e7

#1084b9

#0c638b

#08425c

#04212e

Tints

Color #40b7ee mixed toward white.

#60c3f1

#80cff4

#9fdbf7

#bfe7f9

#dff3fc

Tones

Color #40b7ee mixed toward gray.

#4eb2e0

#5dacd1

#6ba7c3

#7aa2b4

#889ca5

Accessibility

Aa White text on this color

2.28:1

Aa Black text on this color

9.23:1

Black text reads better on this background (9.23:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#8586e2 · ΔE 23.8

Deuteranopia

#7e75df · ΔE 27.5

Tritanopia

#4cd8d6 · ΔE 19.9

Achromatopsia

#acacac · ΔE 21.5

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

Code

CSS

background-color: #40b7ee;

Tailwind (arbitrary value)

bg-[#40b7ee]

Related colors

Sky Blue #87ceeb

Deep Sky Blue #00bfff

Light Sky Blue #87cefa

Light Blue #add8e6

Charcoal #36454f

Steel Blue #4682b4

Frequently asked questions

#40b7ee (#40b7ee) is rgb(64, 183, 238) in RGB.

No, #40b7ee 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.

Try it → Generators

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 #40b7ee, or check how it holds up for accessibility.

Generate a palette → Check contrast