#2158ac

Color #2158ac

A moderately saturated medium blue.

Closest named color Dark Slate Blue #483d8b · ΔE 16.63 Nearest Tailwind class sky-800 #00598a · ΔE 6.9

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

Conversions

HEX

#2158ac

RGB

rgb(33, 88, 172)

HSL

hsl(216.3, 67.8%, 40.2%)

HSV / HSB

hsv(216.3, 80.8%, 67.5%)

CMYK

cmyk(80.8%, 48.8%, 0%, 32.5%)

LAB

lab(38.34, 13.51, -50.02)

LCH

lch(38.34, 51.81, 285.11)

OKLCH

oklch(47.3%, 0.1465, 259.02)

HWB

hwb(216.3, 12.9%, 32.5%)

Harmony colors

Complementary

#ac7521

Analogous

#219dac

#2158ac

#3021ac

Triadic

#2158ac

#ac2158

#58ac21

Split-complementary

#2158ac

#ac3021

#9dac21

Tetradic

#2158ac

#7521ac

#ac7521

#58ac21

Square

#2158ac

#ac219d

#ac7521

#21ac30

Shades

Color #2158ac mixed toward black.

#1c498f

#163b73

#112c56

#0b1d39

#060f1d

Tints

Color #2158ac mixed toward white.

#2a6ed6

#548bde

#7fa8e6

#aac5ef

#d4e2f7

Tones

Color #2158ac mixed toward gray.

#2d5aa0

#385d95

#445f89

#4f627e

#5b6472

Accessibility

Aa White text on this color

6.87:1

Aa Black text on this color

3.06:1

White text reads better on this background (6.87:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#40409d · ΔE 10.6

Deuteranopia

#3d3899 · ΔE 12.7

Tritanopia

#268f8c · ΔE 32.8

Achromatopsia

#5a5a5a · ΔE 24

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

Code

CSS

background-color: #2158ac;

Tailwind (arbitrary value)

bg-[#2158ac]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#2158ac (#2158ac) is rgb(33, 88, 172) in RGB.

No, #2158ac 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 #2158ac, or check how it holds up for accessibility.

Generate a palette → Check contrast