#123d5f

Color #123d5f

A moderately saturated dark blue.

Closest named color Charcoal #36454f · ΔE 16.93 Nearest Tailwind class sky-950 #052f4a · ΔE 4.8

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

Conversions

HEX

#123d5f

RGB

rgb(18, 61, 95)

HSL

hsl(206.5, 68.1%, 22.2%)

HSV / HSB

hsv(206.5, 81.1%, 37.3%)

CMYK

cmyk(81.1%, 35.8%, 0%, 62.7%)

LAB

lab(24.61, -1.39, -24.36)

LCH

lch(24.61, 24.4, 266.73)

OKLCH

oklch(34.9%, 0.0755, 246.42)

HWB

hwb(206.5, 7.1%, 62.7%)

Harmony colors

Complementary

#5f3412

Analogous

#125f5b

#123d5f

#12175f

Triadic

#123d5f

#5f123d

#3d5f12

Split-complementary

#123d5f

#5f1217

#5f5b12

Tetradic

#123d5f

#34125f

#5f3412

#3d5f12

Square

#123d5f

#5b125f

#5f3412

#175f12

Shades

Color #123d5f mixed toward black.

#0f334f

#0c293f

#091f30

#061420

#030a10

Tints

Color #123d5f mixed toward white.

#1d6197

#2784ce

#58a4df

#90c2ea

#c7e1f4

Tones

Color #123d5f mixed toward gray.

#183c59

#1f3c52

#253b4c

#2c3a45

#32393f

Accessibility

Aa White text on this color

11.3:1

Aa Black text on this color

1.86:1

White text reads better on this background (11.3:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2a2b58 · ΔE 11.6

Deuteranopia

#282556 · ΔE 13

Tritanopia

#165251 · ΔE 19.2

Achromatopsia

#3a3a3a · ΔE 15.8

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

Code

CSS

background-color: #123d5f;

Tailwind (arbitrary value)

bg-[#123d5f]

Related colors

Steel Blue #4682b4

Alice Blue #f0f8ff

Charcoal #36454f

Dodger Blue #1e90ff

Light Sky Blue #87cefa

Light Slate Gray #778899

Frequently asked questions

#123d5f (#123d5f) is rgb(18, 61, 95) in RGB.

No, #123d5f 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.

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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 #123d5f, or check how it holds up for accessibility.

Generate a palette → Check contrast