#2f256e

Color #2f256e

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 10.65 Nearest Tailwind class indigo-900 #312c85 · ΔE 4.1

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Conversions

HEX

#2f256e

RGB

rgb(47, 37, 110)

HSL

hsl(248.2, 49.7%, 28.8%)

HSV / HSB

hsv(248.2, 66.4%, 43.1%)

CMYK

cmyk(57.3%, 66.4%, 0%, 56.9%)

LAB

lab(20.25, 26.57, -41)

LCH

lch(20.25, 48.86, 302.95)

OKLCH

oklch(32.4%, 0.1211, 283.57)

HWB

hwb(248.2, 14.5%, 56.9%)

Harmony colors

Complementary

#646e25

Analogous

#253f6e

#2f256e

#53256e

Triadic

#2f256e

#6e2f25

#256e2f

Split-complementary

#2f256e

#6e5325

#3f6e25

Tetradic

#2f256e

#6e2564

#646e25

#256e2f

Square

#2f256e

#6e253f

#646e25

#256e53

Shades

Color #2f256e mixed toward black.

#271f5c

#1f1949

#171237

#100c25

#080612

Tints

Color #2f256e mixed toward white.

#42349b

#5a4ac2

#8377d1

#ada4e1

#d6d2f0

Tones

Color #2f256e mixed toward gray.

#332b68

#383162

#3c375c

#413d56

#454350

Accessibility

Aa White text on this color

13.04:1

Aa Black text on this color

1.61:1

White text reads better on this background (13.04:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2b2b62 · ΔE 4

Deuteranopia

#2c2c5f · ΔE 4.9

Tritanopia

#2f5755 · ΔE 28.6

Achromatopsia

#313131 · ΔE 23.8

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

Code

CSS

background-color: #2f256e;

Tailwind (arbitrary value)

bg-[#2f256e]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#2f256e (#2f256e) is rgb(47, 37, 110) in RGB.

No, #2f256e 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 #2f256e, or check how it holds up for accessibility.

Generate a palette → Check contrast