#2b5fb1

Color #2b5fb1

A moderately saturated medium blue.

Closest named color Dark Slate Blue #483d8b · ΔE 18.54 Nearest Tailwind class sky-700 #0069a8 · ΔE 6.7

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Conversions

HEX

#2b5fb1

RGB

rgb(43, 95, 177)

HSL

hsl(216.7, 60.9%, 43.1%)

HSV / HSB

hsv(216.7, 75.7%, 69.4%)

CMYK

cmyk(75.7%, 46.3%, 0%, 30.6%)

LAB

lab(41.01, 12.02, -48.66)

LCH

lch(41.01, 50.12, 283.88)

OKLCH

oklch(49.5%, 0.142, 259.28)

HWB

hwb(216.7, 16.9%, 30.6%)

Harmony colors

Complementary

#b17d2b

Analogous

#2ba2b1

#2b5fb1

#3a2bb1

Triadic

#2b5fb1

#b12b5f

#5fb12b

Split-complementary

#2b5fb1

#b13a2b

#a2b12b

Tetradic

#2b5fb1

#7d2bb1

#b17d2b

#5fb12b

Square

#2b5fb1

#b12ba2

#b17d2b

#2bb13a

Shades

Color #2b5fb1 mixed toward black.

#244f93

#1d3f76

#152f58

#0e203b

#07101d

Tints

Color #2b5fb1 mixed toward white.

#3c76d0

#6391d9

#8aade3

#b1c8ec

#d8e4f6

Tones

Color #2b5fb1 mixed toward gray.

#3661a6

#41649b

#4c668f

#586984

#636b79

Accessibility

Aa White text on this color

6.22:1

Aa Black text on this color

3.37:1

White text reads better on this background (6.22:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#4748a2 · ΔE 10.5

Deuteranopia

#44409e · ΔE 12.6

Tritanopia

#2f9591 · ΔE 32.6

Achromatopsia

#616161 · ΔE 23.7

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

Code

CSS

background-color: #2b5fb1;

Tailwind (arbitrary value)

bg-[#2b5fb1]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Royal Blue #4169e1

Frequently asked questions

#2b5fb1 (#2b5fb1) is rgb(43, 95, 177) in RGB.

No, #2b5fb1 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 #2b5fb1, or check how it holds up for accessibility.

Generate a palette → Check contrast