#223a57

Color #223a57

A moderately saturated dark blue.

Closest named color Charcoal #36454f · ΔE 13.69 Nearest Tailwind class slate-700 #314158 · ΔE 3.5

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

Conversions

HEX

#223a57

RGB

rgb(34, 58, 87)

HSL

hsl(212.8, 43.8%, 23.7%)

HSV / HSB

hsv(212.8, 60.9%, 34.1%)

CMYK

cmyk(60.9%, 33.3%, 0%, 65.9%)

LAB

lab(23.85, 0.58, -20.29)

LCH

lch(23.85, 20.3, 271.64)

OKLCH

oklch(34.3%, 0.0594, 253.98)

HWB

hwb(212.8, 13.3%, 65.9%)

Harmony colors

Complementary

#573f22

Analogous

#225457

#223a57

#242257

Triadic

#223a57

#57223a

#3a5722

Split-complementary

#223a57

#572422

#545722

Tetradic

#223a57

#3f2257

#573f22

#3a5722

Square

#223a57

#572254

#573f22

#225724

Shades

Color #223a57 mixed toward black.

#1c3048

#17273a

#111d2b

#0b131d

#060a0e

Tints

Color #223a57 mixed toward white.

#345986

#4678b4

#739ac8

#a2bbdb

#d0dded

Tones

Color #223a57 mixed toward gray.

#263a52

#2b3b4e

#2f3b4a

#343c45

#383c41

Accessibility

Aa White text on this color

11.6:1

Aa Black text on this color

1.81:1

White text reads better on this background (11.6:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2e2e51 · ΔE 9.3

Deuteranopia

#2d2b50 · ΔE 10.1

Tritanopia

#244c4b · ΔE 18.3

Achromatopsia

#393939 · ΔE 13.9

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

Code

CSS

background-color: #223a57;

Tailwind (arbitrary value)

bg-[#223a57]

Related colors

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Steel Blue #4682b4

Frequently asked questions

#223a57 (#223a57) is rgb(34, 58, 87) in RGB.

No, #223a57 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 #223a57, or check how it holds up for accessibility.

Generate a palette → Check contrast