#2b4c7f

Color #2b4c7f

A moderately saturated dark blue.

Closest named color Steel Blue #4682b4 · ΔE 22.32 Nearest Tailwind class sky-900 #024a70 · ΔE 6.7

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Conversions

HEX

#2b4c7f

RGB

rgb(43, 76, 127)

HSL

hsl(216.4, 49.4%, 33.3%)

HSV / HSB

hsv(216.4, 66.1%, 49.8%)

CMYK

cmyk(66.1%, 40.2%, 0%, 50.2%)

LAB

lab(32.29, 5.45, -32.44)

LCH

lch(32.29, 32.89, 279.54)

OKLCH

oklch(41.8%, 0.094, 258.83)

HWB

hwb(216.4, 16.9%, 50.2%)

Harmony colors

Complementary

#7f5e2b

Analogous

#2b767f

#2b4c7f

#342b7f

Triadic

#2b4c7f

#7f2b4c

#4c7f2b

Split-complementary

#2b4c7f

#7f342b

#767f2b

Tetradic

#2b4c7f

#5e2b7f

#7f5e2b

#4c7f2b

Square

#2b4c7f

#7f2b76

#7f5e2b

#2b7f34

Shades

Color #2b4c7f mixed toward black.

#243f6a

#1d3355

#15263f

#0e192a

#070d15

Tints

Color #2b4c7f mixed toward white.

#3965a9

#5682c6

#80a1d4

#aac0e2

#d5e0f1

Tones

Color #2b4c7f mixed toward gray.

#324d78

#394f71

#40506a

#475263

#4e535c

Accessibility

Aa White text on this color

8.6:1

Aa Black text on this color

2.44:1

White text reads better on this background (8.6:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3c3c75 · ΔE 8.6

Deuteranopia

#3a3773 · ΔE 9.8

Tritanopia

#2d6d6b · ΔE 24.7

Achromatopsia

#4c4c4c · ΔE 19

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

Code

CSS

background-color: #2b4c7f;

Tailwind (arbitrary value)

bg-[#2b4c7f]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#2b4c7f (#2b4c7f) is rgb(43, 76, 127) in RGB.

No, #2b4c7f 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 #2b4c7f, or check how it holds up for accessibility.

Generate a palette → Check contrast