#143b3f

Color #143b3f

A moderately saturated very dark cyan.

Closest named color Dark Slate Gray #2f4f4f · ΔE 9.29 Nearest Tailwind class teal-950 #022f2e · ΔE 5.1

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Conversions

HEX

#143b3f

RGB

rgb(20, 59, 63)

HSL

hsl(185.6, 51.8%, 16.3%)

HSV / HSB

hsv(185.6, 68.3%, 24.7%)

CMYK

cmyk(68.3%, 6.3%, 0%, 75.3%)

LAB

lab(22.43, -12.15, -6.58)

LCH

lch(22.43, 13.82, 208.44)

OKLCH

oklch(32.7%, 0.0439, 204.52)

HWB

hwb(185.6, 7.8%, 75.3%)

Harmony colors

Complementary

#3f1814

Analogous

#143f2e

#143b3f

#14263f

Triadic

#143b3f

#3f143b

#3b3f14

Split-complementary

#143b3f

#3f1426

#3f2e14

Tetradic

#143b3f

#18143f

#3f1814

#3b3f14

Square

#143b3f

#2e143f

#3f1814

#263f14

Shades

Color #143b3f mixed toward black.

#113135

#0d272a

#0a1e20

#071415

#030a0b

Tints

Color #143b3f mixed toward white.

#256e75

#36a0ab

#5dc1cc

#93d6dd

#c9eaee

Tones

Color #143b3f mixed toward gray.

#18383c

#1b3538

#1f3234

#222f31

#262c2d

Accessibility

Aa White text on this color

12.16:1

Aa Black text on this color

1.73:1

White text reads better on this background (12.16:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2a2a3e · ΔE 20

Deuteranopia

#28243e · ΔE 23.1

Tritanopia

#173d3d · ΔE 2.4

Achromatopsia

#363636 · ΔE 13.5

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

Code

CSS

background-color: #143b3f;

Tailwind (arbitrary value)

bg-[#143b3f]

Related colors

Powder Blue #b0e0e6

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Frequently asked questions

#143b3f (#143b3f) is rgb(20, 59, 63) in RGB.

No, #143b3f is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

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 #143b3f, or check how it holds up for accessibility.

Generate a palette → Check contrast