#378a8c

Color #378a8c

A moderately saturated dark cyan.

Closest named color Dark Cyan #008b8b · ΔE 6.58 Nearest Tailwind class teal-600 #009689 · ΔE 7.8

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

Conversions

HEX

#378a8c

RGB

rgb(55, 138, 140)

HSL

hsl(181.4, 43.6%, 38.2%)

HSV / HSB

hsv(181.4, 60.7%, 54.9%)

CMYK

cmyk(60.7%, 1.4%, 0%, 45.1%)

LAB

lab(52.82, -24.08, -8.57)

LCH

lch(52.82, 25.56, 199.59)

OKLCH

oklch(58.4%, 0.0793, 197.38)

HWB

hwb(181.4, 21.6%, 45.1%)

Harmony colors

Complementary

#8c3937

Analogous

#378c63

#378a8c

#375f8c

Triadic

#378a8c

#8c378a

#8a8c37

Split-complementary

#378a8c

#8c375f

#8c6337

Tetradic

#378a8c

#39378c

#8c3937

#8a8c37

Square

#378a8c

#63378c

#8c3937

#5f8c37

Shades

Color #378a8c mixed toward black.

#2e7375

#255c5d

#1b4546

#122e2f

#091717

Tints

Color #378a8c mixed toward white.

#46afb2

#68c2c4

#8ed1d3

#b4e0e1

#d9f0f0

Tones

Color #378a8c mixed toward gray.

#3e8385

#457c7e

#4c7677

#536f70

#5a6868

Accessibility

Aa White text on this color

4.06:1

Aa Black text on this color

5.18:1

Black text reads better on this background (5.18:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#66668c · ΔE 27.6

Deuteranopia

#615a8b · ΔE 30.4

Tritanopia

#3f8b8b · ΔE 1.1

Achromatopsia

#7e7e7e · ΔE 19.9

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

Code

CSS

background-color: #378a8c;

Tailwind (arbitrary value)

bg-[#378a8c]

Related colors

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Dark Slate Gray #2f4f4f

Frequently asked questions

#378a8c (#378a8c) is rgb(55, 138, 140) in RGB.

No, #378a8c 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 #378a8c, or check how it holds up for accessibility.

Generate a palette → Check contrast