#021f3a

Color #021f3a

A vivid, highly saturated very dark blue.

Closest named color Charcoal #36454f · ΔE 21.73 Nearest Tailwind class slate-800 #1d293d · ΔE 4.9

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

Conversions

HEX

#021f3a

RGB

rgb(2, 31, 58)

HSL

hsl(208.9, 93.3%, 11.8%)

HSV / HSB

hsv(208.9, 96.6%, 22.7%)

CMYK

cmyk(96.6%, 46.6%, 0%, 77.3%)

LAB

lab(11.26, 1.4, -20.49)

LCH

lch(11.26, 20.54, 273.91)

OKLCH

oklch(23.5%, 0.0625, 249.88)

HWB

hwb(208.9, 0.8%, 77.3%)

Harmony colors

Complementary

#3a1d02

Analogous

#023a39

#021f3a

#02033a

Triadic

#021f3a

#3a021f

#1f3a02

Split-complementary

#021f3a

#3a0203

#3a3902

Tetradic

#021f3a

#1d023a

#3a1d02

#1f3a02

Square

#021f3a

#39023a

#3a1d02

#033a02

Shades

Color #021f3a mixed toward black.

#021a30

#011527

#01101d

#010a13

#00050a

Tints

Color #021f3a mixed toward white.

#054683

#076dcb

#2692f7

#6eb7fa

#b7dbfc

Tones

Color #021f3a mixed toward gray.

#071f35

#0b1f31

#101f2c

#151e27

#191e23

Accessibility

Aa White text on this color

16.67:1

Aa Black text on this color

1.26:1

White text reads better on this background (16.67:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#121335 · ΔE 9.2

Deuteranopia

#110e34 · ΔE 10.4

Tritanopia

#04302f · ΔE 18.9

Achromatopsia

#1e1e1e · ΔE 14.1

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

Code

CSS

background-color: #021f3a;

Tailwind (arbitrary value)

bg-[#021f3a]

Related colors

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Light Slate Gray #778899

Slate Gray #708090

Steel Blue #4682b4

Charcoal #36454f

Frequently asked questions

#021f3a (#021f3a) is rgb(2, 31, 58) in RGB.

No, #021f3a 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 #021f3a, or check how it holds up for accessibility.

Generate a palette → Check contrast