#1f2a43

Color #1f2a43

A muted very dark blue.

Closest named color Charcoal #36454f · ΔE 16.01 Nearest Tailwind class slate-800 #1d293d · ΔE 2.6

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

Conversions

HEX

#1f2a43

RGB

rgb(31, 42, 67)

HSL

hsl(221.7, 36.7%, 19.2%)

HSV / HSB

hsv(221.7, 53.7%, 26.3%)

CMYK

cmyk(53.7%, 37.3%, 0%, 73.7%)

LAB

lab(17.24, 3.54, -17.23)

LCH

lch(17.24, 17.59, 281.61)

OKLCH

oklch(28.8%, 0.0486, 265.39)

HWB

hwb(221.7, 12.2%, 73.7%)

Harmony colors

Complementary

#43381f

Analogous

#1f3c43

#1f2a43

#261f43

Triadic

#1f2a43

#431f2a

#2a431f

Split-complementary

#1f2a43

#43261f

#3c431f

Tetradic

#1f2a43

#381f43

#43381f

#2a431f

Square

#1f2a43

#431f3c

#43381f

#1f4326

Shades

Color #1f2a43 mixed toward black.

#1a2338

#151c2d

#0f1521

#0a0e16

#05070b

Tints

Color #1f2a43 mixed toward white.

#354772

#4a65a1

#7289be

#a1b0d4

#d0d8e9

Tones

Color #1f2a43 mixed toward gray.

#222b40

#252c3d

#282d3a

#2b2f37

#2e3034

Accessibility

Aa White text on this color

14.28:1

Aa Black text on this color

1.47:1

White text reads better on this background (14.28:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#24243e · ΔE 5

Deuteranopia

#24233d · ΔE 5.4

Tritanopia

#203a39 · ΔE 18

Achromatopsia

#2a2a2a · ΔE 12.8

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

Code

CSS

background-color: #1f2a43;

Tailwind (arbitrary value)

bg-[#1f2a43]

Related colors

Cornflower Blue #6495ed

Royal Blue #4169e1

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#1f2a43 (#1f2a43) is rgb(31, 42, 67) in RGB.

No, #1f2a43 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 #1f2a43, or check how it holds up for accessibility.

Generate a palette → Check contrast