#2b4273

Color #2b4273

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 21.62 Nearest Tailwind class blue-900 #1c398e · ΔE 5.8

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

Conversions

HEX

#2b4273

RGB

rgb(43, 66, 115)

HSL

hsl(220.8, 45.6%, 31%)

HSV / HSB

hsv(220.8, 62.6%, 45.1%)

CMYK

cmyk(62.6%, 42.6%, 0%, 54.9%)

LAB

lab(28.5, 7.67, -30.94)

LCH

lch(28.5, 31.88, 283.92)

OKLCH

oklch(38.6%, 0.0885, 263.77)

HWB

hwb(220.8, 16.9%, 54.9%)

Harmony colors

Complementary

#735c2b

Analogous

#2b6673

#2b4273

#382b73

Triadic

#2b4273

#732b42

#42732b

Split-complementary

#2b4273

#73382b

#66732b

Tetradic

#2b4273

#5c2b73

#735c2b

#42732b

Square

#2b4273

#732b66

#735c2b

#2b7338

Shades

Color #2b4273 mixed toward black.

#243760

#1d2c4d

#16213a

#0e1626

#070b13

Tints

Color #2b4273 mixed toward white.

#3b5b9e

#5476bf

#7f99cf

#aabbdf

#d4ddef

Tones

Color #2b4273 mixed toward gray.

#31446d

#374667

#3d4961

#434b5b

#494d55

Accessibility

Aa White text on this color

9.86:1

Aa Black text on this color

2.13:1

White text reads better on this background (9.86:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#36376a · ΔE 6.1

Deuteranopia

#353367 · ΔE 7.3

Tritanopia

#2c6160 · ΔE 24.3

Achromatopsia

#434343 · ΔE 18.9

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

Code

CSS

background-color: #2b4273;

Tailwind (arbitrary value)

bg-[#2b4273]

Related colors

Cornflower Blue #6495ed

Royal Blue #4169e1

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#2b4273 (#2b4273) is rgb(43, 66, 115) in RGB.

No, #2b4273 is not web-safe. The nearest web-safe colors are among its tones and shades below.

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 #2b4273, or check how it holds up for accessibility.

Generate a palette → Check contrast