#021b59

Color #021b59

A vivid, highly saturated very dark blue.

Closest named color Midnight Blue #191970 · ΔE 16.38 Nearest Tailwind class blue-950 #162456 · ΔE 3.5

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

Conversions

HEX

#021b59

RGB

rgb(2, 27, 89)

HSL

hsl(222.8, 95.6%, 17.8%)

HSV / HSB

hsv(222.8, 97.8%, 34.9%)

CMYK

cmyk(97.8%, 69.7%, 0%, 65.1%)

LAB

lab(12.72, 19.12, -39.58)

LCH

lch(12.72, 43.96, 295.78)

OKLCH

oklch(25.5%, 0.1157, 262.75)

HWB

hwb(222.8, 0.8%, 65.1%)

Harmony colors

Complementary

#594002

Analogous

#024659

#021b59

#150259

Triadic

#021b59

#59021b

#1b5902

Split-complementary

#021b59

#591502

#465902

Tetradic

#021b59

#400259

#594002

#1b5902

Square

#021b59

#590246

#594002

#025915

Shades

Color #021b59 mixed toward black.

#02164a

#01123b

#010d2c

#01091e

#00040f

Tints

Color #021b59 mixed toward white.

#04309d

#0544e1

#326bfa

#769dfc

#bbcefd

Tones

Color #021b59 mixed toward gray.

#091e52

#10214a

#182443

#1f273c

#262a35

Accessibility

Aa White text on this color

16.11:1

Aa Black text on this color

1.3:1

White text reads better on this background (16.11:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#10104f · ΔE 4.3

Deuteranopia

#0e0c4c · ΔE 5.3

Tritanopia

#044644 · ΔE 28.8

Achromatopsia

#212121 · ΔE 22.6

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

Code

CSS

background-color: #021b59;

Tailwind (arbitrary value)

bg-[#021b59]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#021b59 (#021b59) is rgb(2, 27, 89) in RGB.

No, #021b59 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 #021b59, or check how it holds up for accessibility.

Generate a palette → Check contrast