#123f43

Color #123f43

A moderately saturated very dark cyan.

Closest named color Dark Slate Gray #2f4f4f · ΔE 8.18 Nearest Tailwind class teal-950 #022f2e · ΔE 5.8

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

Conversions

HEX

#123f43

RGB

rgb(18, 63, 67)

HSL

hsl(184.9, 57.6%, 16.7%)

HSV / HSB

hsv(184.9, 73.1%, 26.3%)

CMYK

cmyk(73.1%, 6%, 0%, 73.7%)

LAB

lab(23.96, -13.54, -6.94)

LCH

lch(23.96, 15.21, 207.14)

OKLCH

oklch(33.9%, 0.0483, 203.54)

HWB

hwb(184.9, 7.1%, 73.7%)

Harmony colors

Complementary

#431612

Analogous

#12432f

#123f43

#122743

Triadic

#123f43

#43123f

#3f4312

Split-complementary

#123f43

#431227

#432f12

Tetradic

#123f43

#161243

#431612

#3f4312

Square

#123f43

#2f1243

#431612

#274312

Shades

Color #123f43 mixed toward black.

#0f3538

#0c2a2d

#092022

#061516

#030b0b

Tints

Color #123f43 mixed toward white.

#21747b

#30a8b3

#58c8d2

#8fdae1

#c7edf0

Tones

Color #123f43 mixed toward gray.

#163c3f

#1a383b

#1e3537

#223133

#262e2f

Accessibility

Aa White text on this color

11.55:1

Aa Black text on this color

1.82:1

White text reads better on this background (11.55:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2c2c42 · ΔE 21.4

Deuteranopia

#292642 · ΔE 23.9

Tritanopia

#164141 · ΔE 2.3

Achromatopsia

#393939 · ΔE 14.4

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

Code

CSS

background-color: #123f43;

Tailwind (arbitrary value)

bg-[#123f43]

Related colors

Powder Blue #b0e0e6

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Frequently asked questions

#123f43 (#123f43) is rgb(18, 63, 67) in RGB.

No, #123f43 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 #123f43, or check how it holds up for accessibility.

Generate a palette → Check contrast