#2f00a4

Color #2f00a4

A vivid, highly saturated dark blue.

Closest named color Dark Blue #00008b · ΔE 10.86 Nearest Tailwind class violet-900 #4d179a · ΔE 4.7

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

Conversions

HEX

#2f00a4

RGB

rgb(47, 0, 164)

HSL

hsl(257.2, 100%, 32.2%)

HSV / HSB

hsv(257.2, 100%, 64.3%)

CMYK

cmyk(71.3%, 100%, 0%, 35.7%)

LAB

lab(21.15, 57.82, -73.39)

LCH

lch(21.15, 93.43, 308.23)

OKLCH

oklch(34.8%, 0.2136, 277.86)

HWB

hwb(257.2, 0%, 35.7%)

Harmony colors

Complementary

#75a400

Analogous

#0023a4

#2f00a4

#8100a4

Triadic

#2f00a4

#a42f00

#00a42f

Split-complementary

#2f00a4

#a48100

#23a400

Tetradic

#2f00a4

#a40075

#75a400

#00a42f

Square

#2f00a4

#a40023

#75a400

#00a481

Shades

Color #2f00a4 mixed toward black.

#270089

#1f006d

#180052

#100037

#08001b

Tints

Color #2f00a4 mixed toward white.

#4000de

#5b18ff

#8452ff

#ad8cff

#d6c5ff

Tones

Color #2f00a4 mixed toward gray.

#350e97

#3b1b89

#41297b

#46376d

#4c4460

Accessibility

Aa White text on this color

12.67:1

Aa Black text on this color

1.66:1

White text reads better on this background (12.67:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#222291 · ΔE 5.7

Deuteranopia

#24278b · ΔE 7.3

Tritanopia

#2e7f7a · ΔE 42.1

Achromatopsia

#333333 · ΔE 30.1

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

Code

CSS

background-color: #2f00a4;

Tailwind (arbitrary value)

bg-[#2f00a4]

Related colors

Medium Purple #9370db

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Rebecca Purple #663399

Blue Violet #8a2be2

Frequently asked questions

#2f00a4 (#2f00a4) is rgb(47, 0, 164) in RGB.

No, #2f00a4 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.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #2f00a4, or check how it holds up for accessibility.

Generate a palette → Check contrast