#2f508d

Color #2f508d

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 18.22 Nearest Tailwind class blue-900 #1c398e · ΔE 7.6

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Conversions

HEX

#2f508d

RGB

rgb(47, 80, 141)

HSL

hsl(218.9, 50%, 36.9%)

HSV / HSB

hsv(218.9, 66.7%, 55.3%)

CMYK

cmyk(66.7%, 43.3%, 0%, 44.7%)

LAB

lab(34.53, 8.81, -37.48)

LCH

lch(34.53, 38.5, 283.23)

OKLCH

oklch(43.8%, 0.1081, 261.59)

HWB

hwb(218.9, 18.4%, 44.7%)

Harmony colors

Complementary

#8d6c2f

Analogous

#2f7f8d

#2f508d

#3d2f8d

Triadic

#2f508d

#8d2f50

#508d2f

Split-complementary

#2f508d

#8d3d2f

#7f8d2f

Tetradic

#2f508d

#6c2f8d

#8d6c2f

#508d2f

Square

#2f508d

#8d2f7f

#8d6c2f

#2f8d3d

Shades

Color #2f508d mixed toward black.

#274376

#1f355e

#182847

#101b2f

#080d18

Tints

Color #2f508d mixed toward white.

#3c67b5

#5e84c9

#86a3d7

#afc1e4

#d7e0f2

Tones

Color #2f508d mixed toward gray.

#375285

#3f557d

#475776

#4e596e

#565c66

Accessibility

Aa White text on this color

7.92:1

Aa Black text on this color

2.65:1

White text reads better on this background (7.92:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#404081 · ΔE 8.1

Deuteranopia

#3e3b7f · ΔE 9.4

Tritanopia

#317775 · ΔE 26.9

Achromatopsia

#515151 · ΔE 20.8

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

Code

CSS

background-color: #2f508d;

Tailwind (arbitrary value)

bg-[#2f508d]

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

#2f508d (#2f508d) is rgb(47, 80, 141) in RGB.

No, #2f508d 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 #2f508d, or check how it holds up for accessibility.

Generate a palette → Check contrast