#212b4b

Color #212b4b

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 19.28 Nearest Tailwind class blue-950 #162456 · ΔE 5

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Conversions

HEX

#212b4b

RGB

rgb(33, 43, 75)

HSL

hsl(225.7, 38.9%, 21.2%)

HSV / HSB

hsv(225.7, 56%, 29.4%)

CMYK

cmyk(56%, 42.7%, 0%, 70.6%)

LAB

lab(18.18, 6.36, -21.2)

LCH

lch(18.18, 22.13, 286.7)

OKLCH

oklch(29.7%, 0.0599, 269.43)

HWB

hwb(225.7, 12.9%, 70.6%)

Harmony colors

Complementary

#4b4121

Analogous

#21404b

#212b4b

#2c214b

Triadic

#212b4b

#4b212b

#2b4b21

Split-complementary

#212b4b

#4b2c21

#404b21

Tetradic

#212b4b

#41214b

#4b4121

#2b4b21

Square

#212b4b

#4b2140

#4b4121

#214b2c

Shades

Color #212b4b mixed toward black.

#1c243f

#161d32

#111626

#0b0e19

#06070d

Tints

Color #212b4b mixed toward white.

#35467a

#4a60a8

#7386c2

#a2aed6

#d0d7eb

Tones

Color #212b4b mixed toward gray.

#252d48

#282f44

#2c3141

#2f323d

#33343a

Accessibility

Aa White text on this color

13.89:1

Aa Black text on this color

1.51:1

White text reads better on this background (13.89:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#262645 · ΔE 3.7

Deuteranopia

#252443 · ΔE 4.3

Tritanopia

#223f3e · ΔE 21

Achromatopsia

#2c2c2c · ΔE 15.2

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

Code

CSS

background-color: #212b4b;

Tailwind (arbitrary value)

bg-[#212b4b]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#212b4b (#212b4b) is rgb(33, 43, 75) in RGB.

No, #212b4b is not web-safe. The nearest web-safe colors are among its tones and shades below.

Related tools

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Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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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 #212b4b, or check how it holds up for accessibility.

Generate a palette → Check contrast