#2877cb

Color #2877cb

A moderately saturated medium blue.

Closest named color Cornflower Blue #6495ed · ΔE 12.87 Nearest Tailwind class sky-600 #0084d1 · ΔE 5.8

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

Conversions

HEX

#2877cb

RGB

rgb(40, 119, 203)

HSL

hsl(210.9, 67.1%, 47.6%)

HSV / HSB

hsv(210.9, 80.3%, 79.6%)

CMYK

cmyk(80.3%, 41.4%, 0%, 20.4%)

LAB

lab(49.44, 6.37, -50.22)

LCH

lch(49.44, 50.62, 277.23)

OKLCH

oklch(56.5%, 0.15, 253.3)

HWB

hwb(210.9, 15.7%, 20.4%)

Harmony colors

Complementary

#cb7c28

Analogous

#28c8cb

#2877cb

#2a28cb

Triadic

#2877cb

#cb2877

#77cb28

Split-complementary

#2877cb

#cb2a28

#c8cb28

Tetradic

#2877cb

#7c28cb

#cb7c28

#77cb28

Square

#2877cb

#cb28c8

#cb7c28

#28cb2a

Shades

Color #2877cb mixed toward black.

#2163a9

#1b4f87

#143b65

#0d2844

#071422

Tints

Color #2877cb mixed toward white.

#458dda

#6aa4e2

#8fbbe9

#b5d2f0

#dae8f8

Tones

Color #2877cb mixed toward gray.

#3677bd

#4378b0

#5178a2

#5e7995

#6c7987

Accessibility

Aa White text on this color

4.57:1

Aa Black text on this color

4.59:1

Black text reads better on this background (4.59:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5556bb · ΔE 15.4

Deuteranopia

#514bb7 · ΔE 18.3

Tritanopia

#30adaa · ΔE 31.2

Achromatopsia

#767676 · ΔE 23.7

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

Code

CSS

background-color: #2877cb;

Tailwind (arbitrary value)

bg-[#2877cb]

Related colors

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Light Steel Blue #b0c4de

Steel Blue #4682b4

Frequently asked questions

#2877cb (#2877cb) is rgb(40, 119, 203) in RGB.

No, #2877cb 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.

Try it → Accessibility

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 #2877cb, or check how it holds up for accessibility.

Generate a palette → Check contrast