#2f228c

Color #2f228c

A moderately saturated dark blue.

Closest named color Midnight Blue #191970 · ΔE 11.7 Nearest Tailwind class indigo-900 #312c85 · ΔE 3.1

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Conversions

HEX

#2f228c

RGB

rgb(47, 34, 140)

HSL

hsl(247.4, 60.9%, 34.1%)

HSV / HSB

hsv(247.4, 75.7%, 54.9%)

CMYK

cmyk(66.4%, 75.7%, 0%, 45.1%)

LAB

lab(22.45, 38.5, -56.45)

LCH

lch(22.45, 68.33, 304.29)

OKLCH

oklch(34.8%, 0.165, 278.99)

HWB

hwb(247.4, 13.3%, 45.1%)

Harmony colors

Complementary

#7f8c22

Analogous

#224a8c

#2f228c

#64228c

Triadic

#2f228c

#8c2f22

#228c2f

Split-complementary

#2f228c

#8c6422

#4a8c22

Tetradic

#2f228c

#8c227f

#7f8c22

#228c2f

Square

#2f228c

#8c224a

#7f8c22

#228c64

Shades

Color #2f228c mixed toward black.

#271c75

#1f175d

#181146

#100b2f

#080617

Tints

Color #2f228c mixed toward white.

#3e2db9

#5c4bd3

#8478de

#ada5e9

#d6d2f4

Tones

Color #2f228c mixed toward gray.

#362b83

#3c347a

#433c71

#4a4569

#504e60

Accessibility

Aa White text on this color

12.15:1

Aa Black text on this color

1.73:1

White text reads better on this background (12.15:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2a2a7c · ΔE 4

Deuteranopia

#2b2c78 · ΔE 5

Tritanopia

#2e6e6a · ΔE 35.6

Achromatopsia

#363636 · ΔE 27

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

Code

CSS

background-color: #2f228c;

Tailwind (arbitrary value)

bg-[#2f228c]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#2f228c (#2f228c) is rgb(47, 34, 140) in RGB.

No, #2f228c 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 #2f228c, or check how it holds up for accessibility.

Generate a palette → Check contrast