#2b3f5d

Color #2b3f5d

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 13.45 Nearest Tailwind class slate-700 #314158 · ΔE 2.6

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Conversions

HEX

#2b3f5d

RGB

rgb(43, 63, 93)

HSL

hsl(216, 36.8%, 26.7%)

HSV / HSB

hsv(216, 53.8%, 36.5%)

CMYK

cmyk(53.8%, 32.3%, 0%, 63.5%)

LAB

lab(26.33, 1.71, -20.29)

LCH

lch(26.33, 20.36, 274.82)

OKLCH

oklch(36.5%, 0.0581, 258.28)

HWB

hwb(216, 16.9%, 63.5%)

Harmony colors

Complementary

#5d492b

Analogous

#2b585d

#2b3f5d

#302b5d

Triadic

#2b3f5d

#5d2b3f

#3f5d2b

Split-complementary

#2b3f5d

#5d302b

#585d2b

Tetradic

#2b3f5d

#492b5d

#5d492b

#3f5d2b

Square

#2b3f5d

#5d2b58

#5d492b

#2b5d30

Shades

Color #2b3f5d mixed toward black.

#24354e

#1d2a3e

#16202f

#0e151f

#070b10

Tints

Color #2b3f5d mixed toward white.

#3f5c88

#5579b0

#7f9bc4

#aabcd8

#d4deeb

Tones

Color #2b3f5d mixed toward gray.

#2f4059

#334155

#384251

#3c424c

#404348

Accessibility

Aa White text on this color

10.65:1

Aa Black text on this color

1.97:1

White text reads better on this background (10.65:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#353557 · ΔE 7.9

Deuteranopia

#343255 · ΔE 8.8

Tritanopia

#2c5250 · ΔE 19.3

Achromatopsia

#3e3e3e · ΔE 14

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

Code

CSS

background-color: #2b3f5d;

Tailwind (arbitrary value)

bg-[#2b3f5d]

Related colors

Light Steel Blue #b0c4de

Cornflower Blue #6495ed

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#2b3f5d (#2b3f5d) is rgb(43, 63, 93) in RGB.

No, #2b3f5d 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 #2b3f5d, or check how it holds up for accessibility.

Generate a palette → Check contrast