#2255b3

Color #2255b3

A moderately saturated medium blue.

Closest named color Dark Slate Blue #483d8b · ΔE 16.43 Nearest Tailwind class sky-800 #00598a · ΔE 8.1

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

Conversions

HEX

#2255b3

RGB

rgb(34, 85, 179)

HSL

hsl(218.9, 68.1%, 41.8%)

HSV / HSB

hsv(218.9, 81%, 70.2%)

CMYK

cmyk(81%, 52.5%, 0%, 29.8%)

LAB

lab(38, 18.35, -54.7)

LCH

lch(38, 57.7, 288.54)

OKLCH

oklch(47.2%, 0.1594, 261.31)

HWB

hwb(218.9, 13.3%, 29.8%)

Harmony colors

Complementary

#b38022

Analogous

#229eb3

#2255b3

#3822b3

Triadic

#2255b3

#b32255

#55b322

Split-complementary

#2255b3

#b33822

#9eb322

Tetradic

#2255b3

#8022b3

#b38022

#55b322

Square

#2255b3

#b3229e

#b38022

#22b338

Shades

Color #2255b3 mixed toward black.

#1c4795

#173977

#112b5a

#0b1c3c

#060e1e

Tints

Color #2255b3 mixed toward white.

#2f6ad8

#5988df

#82a6e7

#acc4ef

#d5e1f7

Tones

Color #2255b3 mixed toward gray.

#2e59a7

#3a5c9b

#46608f

#526383

#5e6777

Accessibility

Aa White text on this color

6.96:1

Aa Black text on this color

3.02:1

White text reads better on this background (6.96:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#3e3fa2 · ΔE 9.2

Deuteranopia

#3b379e · ΔE 11.3

Tritanopia

#269490 · ΔE 35.6

Achromatopsia

#595959 · ΔE 25.2

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

Code

CSS

background-color: #2255b3;

Tailwind (arbitrary value)

bg-[#2255b3]

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

#2255b3 (#2255b3) is rgb(34, 85, 179) in RGB.

No, #2255b3 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.

Try it → Generators

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 #2255b3, or check how it holds up for accessibility.

Generate a palette → Check contrast