#2b5964

Color #2b5964

A muted dark cyan.

Closest named color Dark Slate Gray #2f4f4f · ΔE 8.41 Nearest Tailwind class cyan-800 #005f78 · ΔE 5.6

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Conversions

HEX

#2b5964

RGB

rgb(43, 89, 100)

HSL

hsl(191.6, 39.9%, 28%)

HSV / HSB

hsv(191.6, 57%, 39.2%)

CMYK

cmyk(57%, 11%, 0%, 60.8%)

LAB

lab(35.16, -12.25, -11.15)

LCH

lch(35.16, 16.56, 222.31)

OKLCH

oklch(43.6%, 0.0534, 215.39)

HWB

hwb(191.6, 16.9%, 60.8%)

Harmony colors

Complementary

#64362b

Analogous

#2b6452

#2b5964

#2b3c64

Triadic

#2b5964

#642b59

#59642b

Split-complementary

#2b5964

#642b3c

#64522b

Tetradic

#2b5964

#362b64

#64362b

#59642b

Square

#2b5964

#522b64

#64362b

#3c642b

Shades

Color #2b5964 mixed toward black.

#244a53

#1d3b43

#152c32

#0e1e21

#070f11

Tints

Color #2b5964 mixed toward white.

#3d7f8f

#54a3b5

#7fbac8

#a9d1da

#d4e8ed

Tones

Color #2b5964 mixed toward gray.

#30565f

#34535a

#395056

#3e4d51

#434a4c

Accessibility

Aa White text on this color

7.73:1

Aa Black text on this color

2.72:1

White text reads better on this background (7.73:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#434461 · ΔE 20.5

Deuteranopia

#413d61 · ΔE 22.8

Tritanopia

#2f5f5f · ΔE 6.1

Achromatopsia

#535353 · ΔE 14.4

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

Code

CSS

background-color: #2b5964;

Tailwind (arbitrary value)

bg-[#2b5964]

Related colors

Light Blue #add8e6

Deep Sky Blue #00bfff

Powder Blue #b0e0e6

Sky Blue #87ceeb

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Frequently asked questions

#2b5964 (#2b5964) is rgb(43, 89, 100) in RGB.

No, #2b5964 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 #2b5964, or check how it holds up for accessibility.

Generate a palette → Check contrast