#1f383b

Color #1f383b

A muted very dark cyan.

Closest named color Charcoal #36454f · ΔE 9.14 Nearest Tailwind class teal-950 #022f2e · ΔE 6.3

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

Conversions

HEX

#1f383b

RGB

rgb(31, 56, 59)

HSL

hsl(186.4, 31.1%, 17.6%)

HSV / HSB

hsv(186.4, 47.5%, 23.1%)

CMYK

cmyk(47.5%, 5.1%, 0%, 76.9%)

LAB

lab(21.71, -8.7, -4.91)

LCH

lch(21.71, 9.99, 209.44)

OKLCH

oklch(32.2%, 0.0314, 205.5)

HWB

hwb(186.4, 12.2%, 76.9%)

Harmony colors

Complementary

#3b221f

Analogous

#1f3b30

#1f383b

#1f2a3b

Triadic

#1f383b

#3b1f38

#383b1f

Split-complementary

#1f383b

#3b1f2a

#3b301f

Tetradic

#1f383b

#221f3b

#3b221f

#383b1f

Square

#1f383b

#301f3b

#3b221f

#2a3b1f

Shades

Color #1f383b mixed toward black.

#1a2f31

#152527

#0f1c1d

#0a1314

#05090a

Tints

Color #1f383b mixed toward white.

#376369

#4f8f97

#75b0b7

#a3cacf

#d1e5e7

Tones

Color #1f383b mixed toward gray.

#213639

#243436

#263234

#283132

#2b2f2f

Accessibility

Aa White text on this color

12.45:1

Aa Black text on this color

1.69:1

White text reads better on this background (12.45:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2c2c3a · ΔE 15.3

Deuteranopia

#2a283a · ΔE 17.8

Tritanopia

#213a3a · ΔE 1.9

Achromatopsia

#343434 · ΔE 10.6

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

Code

CSS

background-color: #1f383b;

Tailwind (arbitrary value)

bg-[#1f383b]

Related colors

Powder Blue #b0e0e6

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Frequently asked questions

#1f383b (#1f383b) is rgb(31, 56, 59) in RGB.

No, #1f383b 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 #1f383b, or check how it holds up for accessibility.

Generate a palette → Check contrast