#2b3ba6

Color #2b3ba6

A moderately saturated medium blue.

Closest named color Slate Blue #6a5acd · ΔE 15.68 Nearest Tailwind class blue-800 #193cb8 · ΔE 2.6

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

Conversions

HEX

#2b3ba6

RGB

rgb(43, 59, 166)

HSL

hsl(232.2, 58.9%, 41%)

HSV / HSB

hsv(232.2, 74.1%, 65.1%)

CMYK

cmyk(74.1%, 64.5%, 0%, 34.9%)

LAB

lab(30.38, 31.62, -59.35)

LCH

lch(30.38, 67.25, 298.05)

OKLCH

oklch(41.2%, 0.1715, 270.27)

HWB

hwb(232.2, 16.9%, 34.9%)

Harmony colors

Complementary

#a6962b

Analogous

#2b79a6

#2b3ba6

#592ba6

Triadic

#2b3ba6

#a62b3b

#3ba62b

Split-complementary

#2b3ba6

#a6592b

#79a62b

Tetradic

#2b3ba6

#962ba6

#a6962b

#3ba62b

Square

#2b3ba6

#a62b79

#a6962b

#2ba659

Shades

Color #2b3ba6 mixed toward black.

#24318a

#1d276f

#151d53

#0e1437

#070a1c

Tints

Color #2b3ba6 mixed toward white.

#384bcb

#606fd6

#8793e0

#afb7ea

#d7dbf5

Tones

Color #2b3ba6 mixed toward gray.

#35439c

#3f4a92

#4a5287

#54597d

#5e6173

Accessibility

Aa White text on this color

9.21:1

Aa Black text on this color

2.28:1

White text reads better on this background (9.21:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#333395 · ΔE 3.5

Deuteranopia

#323090 · ΔE 4.5

Tritanopia

#2c8581 · ΔE 37.4

Achromatopsia

#484848 · ΔE 26.8

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

Code

CSS

background-color: #2b3ba6;

Tailwind (arbitrary value)

bg-[#2b3ba6]

Related colors

Royal Blue #4169e1

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Frequently asked questions

#2b3ba6 (#2b3ba6) is rgb(43, 59, 166) in RGB.

No, #2b3ba6 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 #2b3ba6, or check how it holds up for accessibility.

Generate a palette → Check contrast