#378a8f

Color #378a8f

A moderately saturated dark cyan.

Closest named color Teal #008080 · ΔE 7.54 Nearest Tailwind class teal-600 #009689 · ΔE 9

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Conversions

HEX

#378a8f

RGB

rgb(55, 138, 143)

HSL

hsl(183.4, 44.4%, 38.8%)

HSV / HSB

hsv(183.4, 61.5%, 56.1%)

CMYK

cmyk(61.5%, 3.5%, 0%, 43.9%)

LAB

lab(52.92, -23.18, -10.16)

LCH

lch(52.92, 25.31, 203.67)

OKLCH

oklch(58.5%, 0.0794, 200.72)

HWB

hwb(183.4, 21.6%, 43.9%)

Harmony colors

Complementary

#8f3c37

Analogous

#378f68

#378a8f

#375e8f

Triadic

#378a8f

#8f378a

#8a8f37

Split-complementary

#378a8f

#8f375e

#8f6837

Tetradic

#378a8f

#3c378f

#8f3c37

#8a8f37

Square

#378a8f

#68378f

#8f3c37

#5e8f37

Shades

Color #378a8f mixed toward black.

#2e7377

#255c5f

#1c4547

#122e30

#091718

Tints

Color #378a8f mixed toward white.

#45aeb4

#69c0c5

#8ed0d4

#b4dfe2

#d9eff1

Tones

Color #378a8f mixed toward gray.

#3e8388

#467d80

#4d7679

#547072

#5c696a

Accessibility

Aa White text on this color

4.04:1

Aa Black text on this color

5.19:1

Black text reads better on this background (5.19:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#66668e · ΔE 27.1

Deuteranopia

#615a8e · ΔE 29.8

Tritanopia

#3f8d8d · ΔE 2.3

Achromatopsia

#7e7e7e · ΔE 19.6

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

Code

CSS

background-color: #378a8f;

Tailwind (arbitrary value)

bg-[#378a8f]

Related colors

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Powder Blue #b0e0e6

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Frequently asked questions

#378a8f (#378a8f) is rgb(55, 138, 143) in RGB.

No, #378a8f 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 #378a8f, or check how it holds up for accessibility.

Generate a palette → Check contrast