#123766

Color #123766

A vivid, highly saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 24.26 Nearest Tailwind class sky-950 #052f4a · ΔE 6.1

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

Conversions

HEX

#123766

RGB

rgb(18, 55, 102)

HSL

hsl(213.6, 70%, 23.5%)

HSV / HSB

hsv(213.6, 82.4%, 40%)

CMYK

cmyk(82.4%, 46.1%, 0%, 60%)

LAB

lab(23.07, 5.72, -31.36)

LCH

lch(23.07, 31.88, 280.34)

OKLCH

oklch(33.8%, 0.0925, 256.11)

HWB

hwb(213.6, 7.1%, 60%)

Harmony colors

Complementary

#664112

Analogous

#126166

#123766

#171266

Triadic

#123766

#661237

#376612

Split-complementary

#123766

#661712

#616612

Tetradic

#123766

#411266

#664112

#376612

Square

#123766

#661261

#664112

#126617

Shades

Color #123766 mixed toward black.

#0f2e55

#0c2544

#091b33

#061222

#030911

Tints

Color #123766 mixed toward white.

#1c559d

#2572d4

#5995e2

#90b9eb

#c8dcf5

Tones

Color #123766 mixed toward gray.

#19385f

#203958

#273951

#2e3a4a

#353b43

Accessibility

Aa White text on this color

11.9:1

Aa Black text on this color

1.76:1

White text reads better on this background (11.9:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#27275d · ΔE 8.6

Deuteranopia

#25225b · ΔE 9.9

Tritanopia

#155554 · ΔE 23.9

Achromatopsia

#373737 · ΔE 18.7

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

Code

CSS

background-color: #123766;

Tailwind (arbitrary value)

bg-[#123766]

Related colors

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Cornflower Blue #6495ed

Alice Blue #f0f8ff

Frequently asked questions

#123766 (#123766) is rgb(18, 55, 102) in RGB.

No, #123766 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 #123766, or check how it holds up for accessibility.

Generate a palette → Check contrast