#377bf2

Color #377bf2

A vivid, highly saturated medium blue.

Closest named color Royal Blue #4169e1 · ΔE 8.4 Nearest Tailwind class blue-500 #2b7fff · ΔE 2

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Conversions

HEX

#377bf2

RGB

rgb(55, 123, 242)

HSL

hsl(218.2, 87.8%, 58.2%)

HSV / HSB

hsv(218.2, 77.3%, 94.9%)

CMYK

cmyk(77.3%, 49.2%, 0%, 5.1%)

LAB

lab(53.37, 19.98, -65.85)

LCH

lch(53.37, 68.81, 286.88)

OKLCH

oklch(60.5%, 0.1919, 260.7)

HWB

hwb(218.2, 21.6%, 5.1%)

Harmony colors

Complementary

#f2ae37

Analogous

#37d8f2

#377bf2

#5037f2

Triadic

#377bf2

#f2377b

#7bf237

Split-complementary

#377bf2

#f25037

#d8f237

Tetradic

#377bf2

#ae37f2

#f2ae37

#7bf237

Square

#377bf2

#f237d8

#f2ae37

#37f250

Shades

Color #377bf2 mixed toward black.

#0f5ee8

#0c4bba

#09388b

#06265d

#03132e

Tints

Color #377bf2 mixed toward white.

#5891f4

#7aa7f6

#9bbdf8

#bcd3fb

#dee9fd

Tones

Color #377bf2 mixed toward gray.

#467fe2

#5683d3

#6688c3

#758cb4

#8590a4

Accessibility

Aa White text on this color

3.98:1

Aa Black text on this color

5.28:1

Black text reads better on this background (5.28:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5c5ddd · ΔE 12.4

Deuteranopia

#5853d7 · ΔE 15.3

Tritanopia

#3dcac5 · ΔE 37.9

Achromatopsia

#7f7f7f · ΔE 27

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

Code

CSS

background-color: #377bf2;

Tailwind (arbitrary value)

bg-[#377bf2]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#377bf2 (#377bf2) is rgb(55, 123, 242) in RGB.

No, #377bf2 is not web-safe. The nearest web-safe colors are among its tones and shades below.

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.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #377bf2, or check how it holds up for accessibility.

Generate a palette → Check contrast