#2b4e64

Color #2b4e64

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 9.57 Nearest Tailwind class cyan-900 #104e64 · ΔE 4.2

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

Conversions

HEX

#2b4e64

RGB

rgb(43, 78, 100)

HSL

hsl(203.2, 39.9%, 28%)

HSV / HSB

hsv(203.2, 57%, 39.2%)

CMYK

cmyk(57%, 22%, 0%, 60.8%)

LAB

lab(31.54, -5.59, -16.69)

LCH

lch(31.54, 17.6, 251.48)

OKLCH

oklch(40.7%, 0.055, 237.78)

HWB

hwb(203.2, 16.9%, 60.8%)

Harmony colors

Complementary

#64412b

Analogous

#2b645d

#2b4e64

#2b3164

Triadic

#2b4e64

#642b4e

#4e642b

Split-complementary

#2b4e64

#642b31

#645d2b

Tetradic

#2b4e64

#412b64

#64412b

#4e642b

Square

#2b4e64

#5d2b64

#64412b

#31642b

Shades

Color #2b4e64 mixed toward black.

#244153

#1d3443

#152732

#0e1a21

#070d11

Tints

Color #2b4e64 mixed toward white.

#3d6f8f

#5490b5

#7facc8

#a9c7da

#d4e3ed

Tones

Color #2b4e64 mixed toward gray.

#304d5f

#344c5a

#394b56

#3e4a51

#43484c

Accessibility

Aa White text on this color

8.84:1

Aa Black text on this color

2.38:1

White text reads better on this background (8.84:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3d3d5f · ΔE 15.2

Deuteranopia

#3b385e · ΔE 16.3

Tritanopia

#2d5b5a · ΔE 13.5

Achromatopsia

#4a4a4a · ΔE 13.1

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

Code

CSS

background-color: #2b4e64;

Tailwind (arbitrary value)

bg-[#2b4e64]

Related colors

Light Sky Blue #87cefa

Charcoal #36454f

Steel Blue #4682b4

Alice Blue #f0f8ff

Sky Blue #87ceeb

Dodger Blue #1e90ff

Frequently asked questions

#2b4e64 (#2b4e64) is rgb(43, 78, 100) in RGB.

No, #2b4e64 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

Related tools

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Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

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Contrast Checker

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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 #2b4e64, or check how it holds up for accessibility.

Generate a palette → Check contrast