#1f3a46

Color #1f3a46

A muted very dark cyan.

Closest named color Charcoal #36454f · ΔE 6.84 Nearest Tailwind class cyan-950 #053345 · ΔE 3.9

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

Conversions

HEX

#1f3a46

RGB

rgb(31, 58, 70)

HSL

hsl(198.5, 38.6%, 19.8%)

HSV / HSB

hsv(198.5, 55.7%, 27.5%)

CMYK

cmyk(55.7%, 17.1%, 0%, 72.5%)

LAB

lab(22.86, -6.33, -10.56)

LCH

lch(22.86, 12.31, 239.06)

OKLCH

oklch(33.2%, 0.0392, 228.42)

HWB

hwb(198.5, 12.2%, 72.5%)

Harmony colors

Complementary

#462b1f

Analogous

#1f463f

#1f3a46

#1f2646

Triadic

#1f3a46

#461f3a

#3a461f

Split-complementary

#1f3a46

#461f26

#463f1f

Tetradic

#1f3a46

#2b1f46

#462b1f

#3a461f

Square

#1f3a46

#3f1f46

#462b1f

#26461f

Shades

Color #1f3a46 mixed toward black.

#1a303a

#15272f

#101d23

#0a1317

#050a0c

Tints

Color #1f3a46 mixed toward white.

#346175

#4988a4

#71a8c0

#a1c5d5

#d0e2ea

Tones

Color #1f3a46 mixed toward gray.

#223943

#25373f

#29363c

#2c3539

#2f3436

Accessibility

Aa White text on this color

11.99:1

Aa Black text on this color

1.75:1

White text reads better on this background (11.99:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2d2d43 · ΔE 15.1

Deuteranopia

#2b2943 · ΔE 17

Tritanopia

#214141 · ΔE 8.1

Achromatopsia

#373737 · ΔE 10.8

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

Code

CSS

background-color: #1f3a46;

Tailwind (arbitrary value)

bg-[#1f3a46]

Related colors

Sky Blue #87ceeb

Deep Sky Blue #00bfff

Light Blue #add8e6

Light Sky Blue #87cefa

Charcoal #36454f

Steel Blue #4682b4

Frequently asked questions

#1f3a46 (#1f3a46) is rgb(31, 58, 70) in RGB.

No, #1f3a46 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 #1f3a46, or check how it holds up for accessibility.

Generate a palette → Check contrast