#2f4f86

Color #2f4f86

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 20.9 Nearest Tailwind class sky-900 #024a70 · ΔE 7.4

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

Conversions

HEX

#2f4f86

RGB

rgb(47, 79, 134)

HSL

hsl(217.9, 48.1%, 35.5%)

HSV / HSB

hsv(217.9, 64.9%, 52.5%)

CMYK

cmyk(64.9%, 41%, 0%, 47.5%)

LAB

lab(33.81, 6.87, -34.33)

LCH

lch(33.81, 35.01, 281.32)

OKLCH

oklch(43.2%, 0.0991, 260.53)

HWB

hwb(217.9, 18.4%, 47.5%)

Harmony colors

Complementary

#86662f

Analogous

#2f7b86

#2f4f86

#3a2f86

Triadic

#2f4f86

#862f4f

#4f862f

Split-complementary

#2f4f86

#863a2f

#7b862f

Tetradic

#2f4f86

#662f86

#86662f

#4f862f

Square

#2f4f86

#862f7b

#86662f

#2f863a

Shades

Color #2f4f86 mixed toward black.

#274270

#1f3559

#172843

#101a2d

#080d16

Tints

Color #2f4f86 mixed toward white.

#3d67af

#5d83c6

#85a2d4

#aec1e3

#d6e0f1

Tones

Color #2f4f86 mixed toward gray.

#36517f

#3d5378

#455570

#4c5769

#535962

Accessibility

Aa White text on this color

8.13:1

Aa Black text on this color

2.58:1

White text reads better on this background (8.13:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3f3f7b · ΔE 8.3

Deuteranopia

#3d3b79 · ΔE 9.2

Tritanopia

#317270 · ΔE 25.5

Achromatopsia

#4f4f4f · ΔE 19.8

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

Code

CSS

background-color: #2f4f86;

Tailwind (arbitrary value)

bg-[#2f4f86]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#2f4f86 (#2f4f86) is rgb(47, 79, 134) in RGB.

No, #2f4f86 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 #2f4f86, or check how it holds up for accessibility.

Generate a palette → Check contrast