#121a39

Color #121a39

A moderately saturated very dark blue.

Closest named color Black #000000 · ΔE 24.98 Nearest Tailwind class slate-900 #0f172b · ΔE 4.7

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

Conversions

HEX

#121a39

RGB

rgb(18, 26, 57)

HSL

hsl(227.7, 52%, 14.7%)

HSV / HSB

hsv(227.7, 68.4%, 22.4%)

CMYK

cmyk(68.4%, 54.4%, 0%, 77.6%)

LAB

lab(10.28, 8.03, -21.3)

LCH

lch(10.28, 22.76, 290.66)

OKLCH

oklch(23%, 0.0608, 270.19)

HWB

hwb(227.7, 7.1%, 77.6%)

Harmony colors

Complementary

#393112

Analogous

#122d39

#121a39

#1d1239

Triadic

#121a39

#39121a

#1a3912

Split-complementary

#121a39

#391d12

#2d3912

Tetradic

#121a39

#311239

#393112

#1a3912

Square

#121a39

#39122d

#393112

#12391d

Shades

Color #121a39 mixed toward black.

#0f162f

#0c1126

#090d1c

#060913

#030409

Tints

Color #121a39 mixed toward white.

#233370

#354ca7

#5a71cb

#91a0dc

#c8d0ee

Tones

Color #121a39 mixed toward gray.

#151c36

#181e32

#1c202f

#1f222c

#222429

Accessibility

Aa White text on this color

17.04:1

Aa Black text on this color

1.23:1

White text reads better on this background (17.04:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#161633 · ΔE 2.8

Deuteranopia

#151532 · ΔE 2.9

Tritanopia

#122e2d · ΔE 21.9

Achromatopsia

#1c1c1c · ΔE 15.7

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

Code

CSS

background-color: #121a39;

Tailwind (arbitrary value)

bg-[#121a39]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#121a39 (#121a39) is rgb(18, 26, 57) in RGB.

No, #121a39 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 #121a39, or check how it holds up for accessibility.

Generate a palette → Check contrast