#1f404f

Color #1f404f

A moderately saturated dark cyan.

Closest named color Charcoal #36454f · ΔE 6.83 Nearest Tailwind class cyan-950 #053345 · ΔE 4.5

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Conversions

HEX

#1f404f

RGB

rgb(31, 64, 79)

HSL

hsl(198.8, 43.6%, 21.6%)

HSV / HSB

hsv(198.8, 60.8%, 31%)

CMYK

cmyk(60.8%, 19%, 0%, 69%)

LAB

lab(25.33, -7.03, -12.75)

LCH

lch(25.33, 14.56, 241.13)

OKLCH

oklch(35.3%, 0.0466, 229.61)

HWB

hwb(198.8, 12.2%, 69%)

Harmony colors

Complementary

#4f2e1f

Analogous

#1f4f46

#1f404f

#1f284f

Triadic

#1f404f

#4f1f40

#404f1f

Split-complementary

#1f404f

#4f1f28

#4f461f

Tetradic

#1f404f

#2e1f4f

#4f2e1f

#404f1f

Square

#1f404f

#461f4f

#4f2e1f

#284f1f

Shades

Color #1f404f mixed toward black.

#1a3542

#152b35

#102028

#0a151a

#050b0d

Tints

Color #1f404f mixed toward white.

#32677f

#458eaf

#6fabc7

#9fc7d9

#cfe3ec

Tones

Color #1f404f mixed toward gray.

#233f4b

#273d47

#2b3c43

#2f3a3f

#33393b

Accessibility

Aa White text on this color

11.03:1

Aa Black text on this color

1.9:1

White text reads better on this background (11.03:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#30314c · ΔE 16.1

Deuteranopia

#2e2c4b · ΔE 17.9

Tritanopia

#214948 · ΔE 10.2

Achromatopsia

#3c3c3c · ΔE 12

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

Code

CSS

background-color: #1f404f;

Tailwind (arbitrary value)

bg-[#1f404f]

Related colors

Sky Blue #87ceeb

Deep Sky Blue #00bfff

Light Blue #add8e6

Light Sky Blue #87cefa

Charcoal #36454f

Steel Blue #4682b4

Frequently asked questions

#1f404f (#1f404f) is rgb(31, 64, 79) in RGB.

No, #1f404f is not web-safe. The nearest web-safe colors are among its tones and shades below.

Related tools

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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 #1f404f, or check how it holds up for accessibility.

Generate a palette → Check contrast