#2d4b71

Color #2d4b71

A moderately saturated dark blue.

Closest named color Charcoal #36454f · ΔE 18.12 Nearest Tailwind class sky-900 #024a70 · ΔE 5.7

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

Conversions

HEX

#2d4b71

RGB

rgb(45, 75, 113)

HSL

hsl(213.5, 43%, 31%)

HSV / HSB

hsv(213.5, 60.2%, 44.3%)

CMYK

cmyk(60.2%, 33.6%, 0%, 55.7%)

LAB

lab(31.3, 1.38, -25.24)

LCH

lch(31.3, 25.28, 273.13)

OKLCH

oklch(40.8%, 0.0737, 254.98)

HWB

hwb(213.5, 17.6%, 55.7%)

Harmony colors

Complementary

#71532d

Analogous

#2d6d71

#2d4b71

#312d71

Triadic

#2d4b71

#712d4b

#4b712d

Split-complementary

#2d4b71

#71312d

#6d712d

Tetradic

#2d4b71

#532d71

#71532d

#4b712d

Square

#2d4b71

#712d6d

#71532d

#2d7131

Shades

Color #2d4b71 mixed toward black.

#263f5e

#1e324b

#172639

#0f1926

#080d13

Tints

Color #2d4b71 mixed toward white.

#3e679b

#5784bc

#81a3cd

#abc1de

#d5e0ee

Tones

Color #2d4b71 mixed toward gray.

#334c6b

#384c66

#3e4d60

#444e5a

#494e55

Accessibility

Aa White text on this color

8.91:1

Aa Black text on this color

2.36:1

White text reads better on this background (8.91:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3c3c69 · ΔE 9.4

Deuteranopia

#3a3867 · ΔE 10.2

Tritanopia

#2f6361 · ΔE 21.1

Achromatopsia

#4a4a4a · ΔE 16.1

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

Code

CSS

background-color: #2d4b71;

Tailwind (arbitrary value)

bg-[#2d4b71]

Related colors

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Cornflower Blue #6495ed

Alice Blue #f0f8ff

Frequently asked questions

#2d4b71 (#2d4b71) is rgb(45, 75, 113) in RGB.

No, #2d4b71 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 #2d4b71, or check how it holds up for accessibility.

Generate a palette → Check contrast