#377ddd

Color #377ddd

A vivid, highly saturated medium blue.

Closest named color Dodger Blue #1e90ff · ΔE 10.59 Nearest Tailwind class blue-500 #2b7fff · ΔE 3.6

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

Conversions

HEX

#377ddd

RGB

rgb(55, 125, 221)

HSL

hsl(214.7, 70.9%, 54.1%)

HSV / HSB

hsv(214.7, 75.1%, 86.7%)

CMYK

cmyk(75.1%, 43.4%, 0%, 13.3%)

LAB

lab(52.62, 11.03, -55.31)

LCH

lch(52.62, 56.4, 281.28)

OKLCH

oklch(59.5%, 0.1624, 257.2)

HWB

hwb(214.7, 21.6%, 13.3%)

Harmony colors

Complementary

#dd9737

Analogous

#37d0dd

#377ddd

#4437dd

Triadic

#377ddd

#dd377d

#7ddd37

Split-complementary

#377ddd

#dd4437

#d0dd37

Tetradic

#377ddd

#9737dd

#dd9737

#7ddd37

Square

#377ddd

#dd37d0

#dd9737

#37dd44

Shades

Color #377ddd mixed toward black.

#2166c4

#1b529d

#143d76

#0d294f

#071427

Tints

Color #377ddd mixed toward white.

#5893e3

#7aa8e8

#9bbeee

#bcd4f4

#dee9f9

Tones

Color #377ddd mixed toward gray.

#457fcf

#5381c1

#6083b3

#6e86a6

#7c8898

Accessibility

Aa White text on this color

4.09:1

Aa Black text on this color

5.14:1

Black text reads better on this background (5.14:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5d5ecb · ΔE 14

Deuteranopia

#5954c6 · ΔE 16.8

Tritanopia

#3dbbb8 · ΔE 33.2

Achromatopsia

#7e7e7e · ΔE 24.9

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

Code

CSS

background-color: #377ddd;

Tailwind (arbitrary value)

bg-[#377ddd]

Related colors

Light Steel Blue #b0c4de

Cornflower Blue #6495ed

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#377ddd (#377ddd) is rgb(55, 125, 221) in RGB.

No, #377ddd 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 #377ddd, or check how it holds up for accessibility.

Generate a palette → Check contrast